/* * Copyright (C) 2012-2023 Free Software Foundation, Inc. * * This file is part of GNU lightning. * * GNU lightning is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation; either version 3, or (at your option) * any later version. * * GNU lightning is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public * License for more details. * * Authors: * Paulo Cesar Pereira de Andrade */ /* avoid using it due to partial stalls */ #define USE_INC_DEC 0 #if PROTO # if __X32 || __X64_32 # define WIDE 0 # define ldi(u, v) ldi_i(u, v) # define ldr(u, v) ldr_i(u, v) # define ldxr(u, v, w) ldxr_i(u, v, w) # define ldxi(u, v, w) ldxi_i(u, v, w) # define sti(u, v) sti_i(u, v) # define stxi(u, v, w) stxi_i(u, v, w) # define can_sign_extend_int_p(im) 1 # define can_zero_extend_int_p(im) 1 # define fits_uint32_p(im) 1 # else # define WIDE 1 # define ldi(u, v) ldi_l(u, v) # define ldr(u, v) ldr_l(u, v) # define ldxr(u, v, w) ldxr_l(u, v, w) # define ldxi(u, v, w) ldxi_l(u, v, w) # define sti(u, v) sti_l(u, v) # define stxi(u, v, w) stxi_l(u, v, w) # define can_sign_extend_int_p(im) \ (((im)>= 0 && (long long)(im) <= 0x7fffffffLL) || \ ((im) < 0 && (long long)(im)> -0x80000000LL)) # define can_zero_extend_int_p(im) \ ((im)>= 0 && (im) < 0x80000000LL) # define fits_uint32_p(im) (((im) & 0xffffffff00000000LL) == 0) # endif # if __X32 || __CYGWIN__ || __X64_32 || _WIN32 # define reg8_p(rn) \ ((rn)>= _RAX_REGNO && (rn) <= _RBX_REGNO) # else # define reg8_p(rn) 1 # endif # define _RAX_REGNO 0 # define _RCX_REGNO 1 # define _RDX_REGNO 2 # define _RBX_REGNO 3 # define _RSP_REGNO 4 # define _RBP_REGNO 5 # define _RSI_REGNO 6 # define _RDI_REGNO 7 # define _R8_REGNO 8 # define _R9_REGNO 9 # define _R10_REGNO 10 # define _R11_REGNO 11 # define _R12_REGNO 12 # define _R13_REGNO 13 # define _R14_REGNO 14 # define _R15_REGNO 15 # define r7(reg) ((reg) & 7) # define r8(reg) ((reg) & 15) # define _SCL1 0x00 # define _SCL2 0x01 # define _SCL4 0x02 # define _SCL8 0x03 # define X86_ADD 0 # define X86_OR 1 << 3 # define X86_ADC 2 << 3 # define X86_SBB 3 << 3 # define X86_AND 4 << 3 # define X86_SUB 5 << 3 # define X86_XOR 6 << 3 # define X86_CMP 7 << 3 # define X86_ROL 0 # define X86_ROR 1 # define X86_RCL 2 # define X86_RCR 3 # define X86_SHL 4 # define X86_SHR 5 # define X86_SAR 7 # define X86_NOT 2 # define X86_NEG 3 # define X86_MUL 4 # define X86_IMUL 5 # define X86_DIV 6 # define X86_IDIV 7 # define X86_CC_O 0x0 # define X86_CC_NO 0x1 # define X86_CC_NAE 0x2 # define X86_CC_B 0x2 # define X86_CC_C 0x2 # define X86_CC_AE 0x3 # define X86_CC_NB 0x3 # define X86_CC_NC 0x3 # define X86_CC_E 0x4 # define X86_CC_Z 0x4 # define X86_CC_NE 0x5 # define X86_CC_NZ 0x5 # define X86_CC_BE 0x6 # define X86_CC_NA 0x6 # define X86_CC_A 0x7 # define X86_CC_NBE 0x7 # define X86_CC_S 0x8 # define X86_CC_NS 0x9 # define X86_CC_P 0xa # define X86_CC_PE 0xa # define X86_CC_NP 0xb # define X86_CC_PO 0xb # define X86_CC_L 0xc # define X86_CC_NGE 0xc # define X86_CC_GE 0xd # define X86_CC_NL 0xd # define X86_CC_LE 0xe # define X86_CC_NG 0xe # define X86_CC_G 0xf # define X86_CC_NLE 0xf # define mrm(md, r, m) *_jit->pc.uc++ = (md<<6) | (r<<3) | m # define sib(sc, i, b) *_jit->pc.uc++ = (sc<<6) | (i<<3) | b # define ic(c) *_jit->pc.uc++ = c # define is(s) *_jit->pc.us++ = s # define ii(i) *_jit->pc.ui++ = i # if __X64 && !__X64_32 # define il(l) *_jit->pc.ul++ = l # else # define il(l) ii(l) # endif # define rex(l, w, r, x, b) _rex(_jit, l, w, r, x, b) static void _rex(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t); # define rx(rd, md, rb, ri, ms) _rx(_jit, rd, md, rb, ri, ms) static void _rx(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t); # define nop(n) _nop(_jit, n) static void _nop(jit_state_t*, jit_int32_t); # define emms() is(0x770f) # define lea(md, rb, ri, ms, rd) _lea(_jit, md, rb, ri, ms, rd) static void _lea(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t); # define pushr(r0) _pushr(_jit, r0) static void _pushr(jit_state_t*, jit_int32_t) maybe_unused; # define popr(r0) _popr(_jit, r0) static void _popr(jit_state_t*, jit_int32_t) maybe_unused; # define xchgr(r0, r1) _xchgr(_jit, r0, r1) static void _xchgr(jit_state_t*, jit_int32_t, jit_int32_t); # define testr(r0, r1) _testr(_jit, r0, r1) static void _testr(jit_state_t*, jit_int32_t, jit_int32_t); # define testi(r0, i0) _testi(_jit, r0, i0) static void _testi(jit_state_t*, jit_int32_t, jit_word_t); # define cc(code, r0) _cc(_jit, code, r0) static void _cc(jit_state_t*, jit_int32_t, jit_int32_t); # define icmpr(r0, r1) alur(X86_CMP, r0, r1) # define alur(code, r0, r1) _alur(_jit, code, r0, r1) static void _alur(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define icmpi(r0, i0) alui(X86_CMP, r0, i0) # define alui(code, r0, i0) _alui(_jit, code, r0, i0) static void _alui(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define iaddr(r0, r1) alur(X86_ADD, r0, r1) # define save(r0) _save(_jit, r0) static void _save(jit_state_t*, jit_int32_t); # define load(r0) _load(_jit, r0) static void _load(jit_state_t*, jit_int32_t); # define addr(r0, r1, r2) _addr(_jit, r0, r1, r2) static void _addr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define iaddi(r0, i0) alui(X86_ADD, r0, i0) # define addi(r0, r1, i0) _addi(_jit, r0, r1, i0) static void _addi(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); #define addcr(r0, r1, r2) _addcr(_jit, r0, r1, r2) static void _addcr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); #define addci(r0, r1, i0) _addci(_jit, r0, r1, i0) static void _addci(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define iaddxr(r0, r1) _iaddxr(_jit, r0, r1) static void _iaddxr(jit_state_t*, jit_int32_t, jit_int32_t); # define addxr(r0, r1, r2) _addxr(_jit, r0, r1, r2) static void _addxr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define iaddxi(r0, i0) alui(X86_ADC, r0, i0) # define addxi(r0, r1, i0) _addxi(_jit, r0, r1, i0) static void _addxi(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define isubr(r0, r1) alur(X86_SUB, r0, r1) # define subr(r0, r1, r2) _subr(_jit, r0, r1, r2) static void _subr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define isubi(r0, i0) alui(X86_SUB, r0, i0) # define subi(r0, r1, i0) _subi(_jit, r0, r1, i0) static void _subi(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define subcr(r0, r1, r2) _subcr(_jit, r0, r1, r2) static void _subcr(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t); # define subci(r0, r1, i0) _subci(_jit, r0, r1, i0) static void _subci(jit_state_t*,jit_int32_t,jit_int32_t,jit_word_t); # define isubxr(r0, r1) alur(X86_SBB, r0, r1) # define subxr(r0, r1, r2) _subxr(_jit, r0, r1, r2) static void _subxr(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t); # define isubxi(r0, i0) alui(X86_SBB, r0, i0) # define subxi(r0, r1, i0) _subxi(_jit, r0, r1, i0) static void _subxi(jit_state_t*,jit_int32_t,jit_int32_t,jit_word_t); # define rsbi(r0, r1, i0) _rsbi(_jit, r0, r1, i0) static void _rsbi(jit_state_t*,jit_int32_t,jit_int32_t,jit_word_t); # define imulr(r0, r1) _imulr(_jit, r0, r1) static void _imulr(jit_state_t*, jit_int32_t, jit_int32_t); # define imuli(r0, r1, i0) _imuli(_jit, r0, r1, i0) static void _imuli(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define mulr(r0, r1, r2) _mulr(_jit, r0, r1, r2) static void _mulr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define muli(r0, r1, i0) _muli(_jit, r0, r1, i0) static void _muli(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define umulr(r0) unr(X86_IMUL, r0) # define umulr_u(r0) unr(X86_MUL, r0) # define qmulr(r0, r1, r2, r3) _iqmulr(_jit, r0, r1, r2, r3, 1) # define qmulr_u(r0, r1, r2, r3) _iqmulr(_jit, r0, r1, r2, r3, 0) # define iqmulr(r0, r1, r2, r3, sign) _iqmulr(_jit, r0, r1, r2, r3, sign) static void _iqmulr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t,jit_int32_t, jit_bool_t); # define qmuli(r0, r1, r2, i0) _iqmuli(_jit, r0, r1, r2, i0, 1) # define qmuli_u(r0, r1, r2, i0) _iqmuli(_jit, r0, r1, r2, i0, 0) # define iqmuli(r0, r1, r2, i0, sign) _iqmuli(_jit, r0, r1, r2, i0, sign) static void _iqmuli(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t,jit_word_t, jit_bool_t); # define sign_extend_rdx_rax() _sign_extend_rdx_rax(_jit) static void _sign_extend_rdx_rax(jit_state_t*); # define idivr(r0) unr(X86_IDIV, r0) # define idivr_u(r0) unr(X86_DIV, r0) # define divremr(r0, r1, r2, i0, i1) _divremr(_jit, r0, r1, r2, i0, i1) static void _divremr(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t, jit_bool_t,jit_bool_t); # define divremi(r0, r1, i0, i1, i2) _divremi(_jit, r0, r1, i0, i1, i2) static void _divremi(jit_state_t*,jit_int32_t,jit_int32_t,jit_word_t,jit_bool_t,jit_bool_t); # define divr(r0, r1, r2) divremr(r0, r1, r2, 1, 1) # define divi(r0, r1, i0) divremi(r0, r1, i0, 1, 1) # define divr_u(r0, r1, r2) divremr(r0, r1, r2, 0, 1) # define divi_u(r0, r1, i0) divremi(r0, r1, i0, 0, 1) # define qdivr(r0, r1, r2, r3) _iqdivr(_jit, r0, r1, r2, r3, 1) # define qdivr_u(r0, r1, r2, r3) _iqdivr(_jit, r0, r1, r2, r3, 0) # define iqdivr(r0, r1, r2, r3, sign) _iqdivr(_jit, r0, r1, r2, r3, sign) static void _iqdivr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t,jit_int32_t, jit_bool_t); # define qdivi(r0, r1, r2, i0) _iqdivi(_jit, r0, r1, r2, i0, 1) # define qdivi_u(r0, r1, r2, i0) _iqdivi(_jit, r0, r1, r2, i0, 0) # define iqdivi(r0, r1, r2, i0, sign) _iqdivi(_jit, r0, r1, r2, i0, sign) static void _iqdivi(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t,jit_word_t, jit_bool_t); # define remr(r0, r1, r2) divremr(r0, r1, r2, 1, 0) # define remi(r0, r1, i0) divremi(r0, r1, i0, 1, 0) # define remr_u(r0, r1, r2) divremr(r0, r1, r2, 0, 0) # define remi_u(r0, r1, i0) divremi(r0, r1, i0, 0, 0) # define iandr(r0, r1) alur(X86_AND, r0, r1) # define andr(r0, r1, r2) _andr(_jit, r0, r1, r2) static void _andr(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t); # define iandi(r0, i0) alui(X86_AND, r0, i0) # define andi(r0, r1, i0) _andi(_jit, r0, r1, i0) static void _andi(jit_state_t*, jit_int32_t,jit_int32_t,jit_word_t); # define iorr(r0, r1) alur(X86_OR, r0, r1) # define orr(r0, r1, r2) _orr(_jit, r0, r1, r2) static void _orr(jit_state_t*, jit_int32_t,jit_int32_t,jit_int32_t); # define iori(r0, i0) alui(X86_OR, r0, i0) # define ori(r0, r1, i0) _ori(_jit, r0, r1, i0) static void _ori(jit_state_t*, jit_int32_t,jit_int32_t,jit_word_t); # define ixorr(r0, r1) alur(X86_XOR, r0, r1) # define xorr(r0, r1, r2) _xorr(_jit, r0, r1, r2) static void _xorr(jit_state_t*, jit_int32_t,jit_int32_t,jit_int32_t); # define ixori(r0, i0) alui(X86_XOR, r0, i0) # define xori(r0, r1, i0) _xori(_jit, r0, r1, i0) static void _xori(jit_state_t*, jit_int32_t,jit_int32_t,jit_word_t); # define irotshr(code, r0) _irotshr(_jit, code, r0) static void _irotshr(jit_state_t*, jit_int32_t, jit_int32_t); # define rotshr(code, r0, r1, r2) _rotshr(_jit, code, r0, r1, r2) static void _rotshr(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_int32_t); # define irotshi(code, r0, i0) _irotshi(_jit, code, r0, i0) static void _irotshi(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define rotshi(code, r0, r1, i0) _rotshi(_jit, code, r0, r1, i0) static void _rotshi(jit_state_t*,jit_int32_t,jit_int32_t,jit_int32_t,jit_word_t); # define lshr(r0, r1, r2) rotshr(X86_SHL, r0, r1, r2) # define lshi(r0, r1, i0) _lshi(_jit, r0, r1, i0) static void _lshi(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define rshr(r0, r1, r2) rotshr(X86_SAR, r0, r1, r2) # define rshi(r0, r1, i0) rotshi(X86_SAR, r0, r1, i0) # define rshr_u(r0, r1, r2) rotshr(X86_SHR, r0, r1, r2) # define rshi_u(r0, r1, i0) rotshi(X86_SHR, r0, r1, i0) # define lrotr(r0, r1, r2) rotshr(X86_ROL, r0, r1, r2) # define lroti(r0, r1, i0) rotshi(X86_ROL, r0, r1, i0) # define rrotr(r0, r1, r2) rotshr(X86_ROR, r0, r1, r2) # define rroti(r0, r1, i0) rotshi(X86_ROR, r0, r1, i0) # define unr(code, r0) _unr(_jit, code, r0) static void _unr(jit_state_t*, jit_int32_t, jit_int32_t); # define inegr(r0) unr(X86_NEG, r0) # define negr(r0, r1) _negr(_jit, r0, r1) static void _negr(jit_state_t*, jit_int32_t, jit_int32_t); # define icomr(r0) unr(X86_NOT, r0) # define comr(r0, r1) _comr(_jit, r0, r1) static void _comr(jit_state_t*, jit_int32_t, jit_int32_t); # if USE_INC_DEC # define incr(r0, r1) _incr(_jit, r0, r1) static void _incr(jit_state_t*, jit_int32_t, jit_int32_t); # define decr(r0, r1) _decr(_jit, r0, r1) static void _decr(jit_state_t*, jit_int32_t, jit_int32_t); # endif # define clor(r0, r1) _clor(_jit, r0, r1) static void _clor(jit_state_t*, jit_int32_t, jit_int32_t); # define clzr(r0, r1) _clzr(_jit, r0, r1) static void _clzr(jit_state_t*, jit_int32_t, jit_int32_t); # define ctor(r0, r1) _ctor(_jit, r0, r1) static void _ctor(jit_state_t*, jit_int32_t, jit_int32_t); # define ctzr(r0, r1) _ctzr(_jit, r0, r1) static void _ctzr(jit_state_t*, jit_int32_t, jit_int32_t); # define rbitr(r0, r1) _rbitr(_jit, r0, r1) static void _rbitr(jit_state_t*, jit_int32_t, jit_int32_t); # define popcntr(r0, r1) _popcntr(_jit, r0, r1) static void _popcntr(jit_state_t*, jit_int32_t, jit_int32_t); # define cr(code, r0, r1, r2) _cr(_jit, code, r0, r1, r2) static void _cr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t, jit_int32_t); # define ci(code, r0, r1, i0) _ci(_jit, code, r0, r1, i0) static void _ci(jit_state_t *_jit, jit_int32_t, jit_int32_t, jit_int32_t, jit_word_t); # define ci0(code, r0, r1) _ci0(_jit, code, r0, r1) static void _ci0(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define ltr(r0, r1, r2) _ltr(_jit, r0, r1, r2) static void _ltr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define lti(r0, r1, i0) _lti(_jit, r0, r1, i0) static void _lti(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define ltr_u(r0, r1, r2) _ltr_u(_jit, r0, r1, r2) static void _ltr_u(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define lti_u(r0, r1, i0) ci(X86_CC_B, r0, r1, i0) # define ler(r0, r1, r2) _ler(_jit, r0, r1, r2) static void _ler(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define lei(r0, r1, i0) ci(X86_CC_LE, r0, r1, i0) # define ler_u(r0, r1, r2) _ler_u(_jit, r0, r1, r2) static void _ler_u(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define lei_u(r0, r1, i0) _lei_u(_jit, r0, r1, i0) static void _lei_u(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define eqr(r0, r1, r2) _eqr(_jit, r0, r1, r2) static void _eqr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define eqi(r0, r1, i0) _eqi(_jit, r0, r1, i0) static void _eqi(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define ger(r0, r1, r2) _ger(_jit, r0, r1, r2) static void _ger(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define gei(r0, r1, i0) _gei(_jit, r0, r1, i0) static void _gei(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define ger_u(r0, r1, r2) _ger_u(_jit, r0, r1, r2) static void _ger_u(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define gei_u(r0, r1, i0) _gei_u(_jit, r0, r1, i0) static void _gei_u(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define gtr(r0, r1, r2) _gtr(_jit, r0, r1, r2) static void _gtr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define gti(r0, r1, i0) _ci(_jit, X86_CC_G, r0, r1, i0) # define gtr_u(r0, r1, r2) _gtr_u(_jit, r0, r1, r2) static void _gtr_u(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define gti_u(r0, r1, i0) _gti_u(_jit, r0, r1, i0) static void _gti_u(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define ner(r0, r1, r2) _ner(_jit, r0, r1, r2) static void _ner(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define nei(r0, r1, i0) _nei(_jit, r0, r1, i0) static void _nei(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define movr(r0, r1) _movr(_jit, r0, r1) static void _movr(jit_state_t*, jit_int32_t, jit_int32_t); # define imovi(r0, i0) _imovi(_jit, r0, i0) static void _imovi(jit_state_t*, jit_int32_t, jit_word_t); # define movi(r0, i0) _movi(_jit, r0, i0) static # if CAN_RIP_ADDRESS jit_word_t # else void # endif _movi(jit_state_t*, jit_int32_t, jit_word_t); # define movi_p(r0, i0) _movi_p(_jit, r0, i0) static jit_word_t _movi_p(jit_state_t*, jit_int32_t, jit_word_t); # define movcr(r0, r1) _movcr(_jit, r0, r1) static void _movcr(jit_state_t*,jit_int32_t,jit_int32_t); # define movcr_u(r0, r1) _movcr_u(_jit, r0, r1) static void _movcr_u(jit_state_t*,jit_int32_t,jit_int32_t); # define movsr(r0, r1) _movsr(_jit, r0, r1) static void _movsr(jit_state_t*,jit_int32_t,jit_int32_t); # define movsr_u(r0, r1) _movsr_u(_jit, r0, r1) static void _movsr_u(jit_state_t*,jit_int32_t,jit_int32_t); # define casx(r0, r1, r2, r3, i0) _casx(_jit, r0, r1, r2, r3, i0) static void _casx(jit_state_t *_jit,jit_int32_t,jit_int32_t, jit_int32_t,jit_int32_t,jit_word_t); #define casr(r0, r1, r2, r3) casx(r0, r1, r2, r3, 0) #define casi(r0, i0, r1, r2) casx(r0, _NOREG, r1, r2, i0) #define movnr(r0, r1, r2) _movnr(_jit, r0, r1, r2) static void _movnr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); #define movzr(r0, r1, r2) _movzr(_jit, r0, r1, r2) static void _movzr(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # if __X64 && !__X64_32 # define movir(r0, r1) _movir(_jit, r0, r1) static void _movir(jit_state_t*,jit_int32_t,jit_int32_t); # define movir_u(r0, r1) _movir_u(_jit, r0, r1) static void _movir_u(jit_state_t*,jit_int32_t,jit_int32_t); # endif # define bswapr_us(r0, r1) _bswapr_us(_jit, r0, r1) static void _bswapr_us(jit_state_t*,jit_int32_t,jit_int32_t); # define bswapr_ui(r0, r1) _bswapr_ui(_jit, r0, r1) static void _bswapr_ui(jit_state_t*,jit_int32_t,jit_int32_t); # if __X64 && !__X64_32 #define bswapr_ul(r0, r1) _bswapr_ul(_jit, r0, r1) static void _bswapr_ul(jit_state_t*,jit_int32_t,jit_int32_t); #endif # define extr_c(r0, r1) _extr_c(_jit, r0, r1) static void _extr_c(jit_state_t*,jit_int32_t,jit_int32_t); # define extr_uc(r0, r1) _extr_uc(_jit, r0, r1) static void _extr_uc(jit_state_t*,jit_int32_t,jit_int32_t); # define extr_s(r0, r1) movsr(r0, r1) # define extr_us(r0, r1) movsr_u(r0, r1) # if __X64 && !__X64_32 # define extr_i(r0, r1) movir(r0, r1) # define extr_ui(r0, r1) movir_u(r0, r1) # endif # define ldr_c(r0, r1) _ldr_c(_jit, r0, r1) static void _ldr_c(jit_state_t*, jit_int32_t, jit_int32_t); # define ldi_c(r0, i0) _ldi_c(_jit, r0, i0) static void _ldi_c(jit_state_t*, jit_int32_t, jit_word_t); # define ldr_uc(r0, r1) _ldr_uc(_jit, r0, r1) static void _ldr_uc(jit_state_t*, jit_int32_t, jit_int32_t); # define ldi_uc(r0, i0) _ldi_uc(_jit, r0, i0) static void _ldi_uc(jit_state_t*, jit_int32_t, jit_word_t); # define ldr_s(r0, r1) _ldr_s(_jit, r0, r1) static void _ldr_s(jit_state_t*, jit_int32_t, jit_int32_t); # define ldi_s(r0, i0) _ldi_s(_jit, r0, i0) static void _ldi_s(jit_state_t*, jit_int32_t, jit_word_t); # define ldr_us(r0, r1) _ldr_us(_jit, r0, r1) static void _ldr_us(jit_state_t*, jit_int32_t, jit_int32_t); # define ldi_us(r0, i0) _ldi_us(_jit, r0, i0) static void _ldi_us(jit_state_t*, jit_int32_t, jit_word_t); # if __X32 || !__X64_32 # define ldr_i(r0, r1) _ldr_i(_jit, r0, r1) static void _ldr_i(jit_state_t*, jit_int32_t, jit_int32_t); # define ldi_i(r0, i0) _ldi_i(_jit, r0, i0) static void _ldi_i(jit_state_t*, jit_int32_t, jit_word_t); # endif # if __X64 # if __X64_32 # define ldr_i(r0, r1) _ldr_ui(_jit, r0, r1) # define ldi_i(r0, i0) _ldi_ui(_jit, r0, i0) # else # define ldr_ui(r0, r1) _ldr_ui(_jit, r0, r1) # define ldi_ui(r0, i0) _ldi_ui(_jit, r0, i0) # endif static void _ldr_ui(jit_state_t*, jit_int32_t, jit_int32_t); static void _ldi_ui(jit_state_t*, jit_int32_t, jit_word_t); # if !__X64_32 # define ldr_l(r0, r1) _ldr_l(_jit, r0, r1) static void _ldr_l(jit_state_t*, jit_int32_t, jit_int32_t); # define ldi_l(r0, i0) _ldi_l(_jit, r0, i0) static void _ldi_l(jit_state_t*, jit_int32_t, jit_word_t); # endif # endif # define ldxr_c(r0, r1, r2) _ldxr_c(_jit, r0, r1, r2) static void _ldxr_c(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define ldxi_c(r0, r1, i0) _ldxi_c(_jit, r0, r1, i0) static void _ldxi_c(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define ldxr_uc(r0, r1, r2) _ldxr_uc(_jit, r0, r1, r2) static void _ldxr_uc(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define ldxi_uc(r0, r1, i0) _ldxi_uc(_jit, r0, r1, i0) static void _ldxi_uc(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define ldxr_s(r0, r1, r2) _ldxr_s(_jit, r0, r1, r2) static void _ldxr_s(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define ldxi_s(r0, r1, i0) _ldxi_s(_jit, r0, r1, i0) static void _ldxi_s(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # define ldxr_us(r0, r1, r2) _ldxr_us(_jit, r0, r1, r2) static void _ldxr_us(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define ldxi_us(r0, r1, i0) _ldxi_us(_jit, r0, r1, i0) static void _ldxi_us(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # if __X32 || !__X64_32 # define ldxr_i(r0, r1, r2) _ldxr_i(_jit, r0, r1, r2) static void _ldxr_i(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define ldxi_i(r0, r1, i0) _ldxi_i(_jit, r0, r1, i0) static void _ldxi_i(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # endif # if __X64 # if __X64_32 # define ldxr_i(r0, r1, r2) _ldxr_ui(_jit, r0, r1, r2) # define ldxi_i(r0, r1, i0) _ldxi_ui(_jit, r0, r1, i0) # else # define ldxr_ui(r0, r1, r2) _ldxr_ui(_jit, r0, r1, r2) # define ldxi_ui(r0, r1, i0) _ldxi_ui(_jit, r0, r1, i0) # endif static void _ldxr_ui(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); static void _ldxi_ui(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # if !__X64_32 # define ldxr_l(r0, r1, r2) _ldxr_l(_jit, r0, r1, r2) static void _ldxr_l(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define ldxi_l(r0, r1, i0) _ldxi_l(_jit, r0, r1, i0) static void _ldxi_l(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t); # endif # endif # define str_c(r0, r1) _str_c(_jit, r0, r1) static void _str_c(jit_state_t*, jit_int32_t, jit_int32_t); # define sti_c(i0, r0) _sti_c(_jit, i0, r0) static void _sti_c(jit_state_t*, jit_word_t, jit_int32_t); # define str_s(r0, r1) _str_s(_jit, r0, r1) static void _str_s(jit_state_t*, jit_int32_t, jit_int32_t); # define sti_s(i0, r0) _sti_s(_jit, i0, r0) static void _sti_s(jit_state_t*, jit_word_t, jit_int32_t); # define str_i(r0, r1) _str_i(_jit, r0, r1) static void _str_i(jit_state_t*, jit_int32_t, jit_int32_t); # define sti_i(i0, r0) _sti_i(_jit, i0, r0) static void _sti_i(jit_state_t*, jit_word_t, jit_int32_t); # if __X64 && !__X64_32 # define str_l(r0, r1) _str_l(_jit, r0, r1) static void _str_l(jit_state_t*, jit_int32_t, jit_int32_t); # define sti_l(i0, r0) _sti_l(_jit, i0, r0) static void _sti_l(jit_state_t*, jit_word_t, jit_int32_t); # endif # define stxr_c(r0, r1, r2) _stxr_c(_jit, r0, r1, r2) static void _stxr_c(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define stxi_c(i0, r0, r1) _stxi_c(_jit, i0, r0, r1) static void _stxi_c(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define stxr_s(r0, r1, r2) _stxr_s(_jit, r0, r1, r2) static void _stxr_s(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define stxi_s(i0, r0, r1) _stxi_s(_jit, i0, r0, r1) static void _stxi_s(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define stxr_i(r0, r1, r2) _stxr_i(_jit, r0, r1, r2) static void _stxr_i(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define stxi_i(i0, r0, r1) _stxi_i(_jit, i0, r0, r1) static void _stxi_i(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # if __X64 && !__X64_32 # define stxr_l(r0, r1, r2) _stxr_l(_jit, r0, r1, r2) static void _stxr_l(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t); # define stxi_l(i0, r0, r1) _stxi_l(_jit, i0, r0, r1) static void _stxi_l(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # endif # define jcc(code, i0) _jcc(_jit, code, i0) # define jo(i0) jcc(X86_CC_O, i0) # define jno(i0) jcc(X86_CC_NO, i0) # define jnae(i0) jcc(X86_CC_NAE, i0) # define jb(i0) jcc(X86_CC_B, i0) # define jc(i0) jcc(X86_CC_C, i0) # define jae(i0) jcc(X86_CC_AE, i0) # define jnb(i0) jcc(X86_CC_NB, i0) # define jnc(i0) jcc(X86_CC_NC, i0) # define je(i0) jcc(X86_CC_E, i0) # define jz(i0) jcc(X86_CC_Z, i0) # define jne(i0) jcc(X86_CC_NE, i0) # define jnz(i0) jcc(X86_CC_NZ, i0) # define jbe(i0) jcc(X86_CC_BE, i0) # define jna(i0) jcc(X86_CC_NA, i0) # define ja(i0) jcc(X86_CC_A, i0) # define jnbe(i0) jcc(X86_CC_NBE, i0) # define js(i0) jcc(X86_CC_S, i0) # define jns(i0) jcc(X86_CC_NS, i0) # define jp(i0) jcc(X86_CC_P, i0) # define jpe(i0) jcc(X86_CC_PE, i0) # define jnp(i0) jcc(X86_CC_NP, i0) # define jpo(i0) jcc(X86_CC_PO, i0) # define jl(i0) jcc(X86_CC_L, i0) # define jnge(i0) jcc(X86_CC_NGE, i0) # define jge(i0) jcc(X86_CC_GE, i0) # define jnl(i0) jcc(X86_CC_NL, i0) # define jle(i0) jcc(X86_CC_LE, i0) # define jng(i0) jcc(X86_CC_NG, i0) # define jg(i0) jcc(X86_CC_G, i0) # define jnle(i0) jcc(X86_CC_NLE, i0) static jit_word_t _jcc(jit_state_t*, jit_int32_t, jit_word_t); # define jccs(code, i0) _jccs(_jit, code, i0) # define jos(i0) jccs(X86_CC_O, i0) # define jnos(i0) jccs(X86_CC_NO, i0) # define jnaes(i0) jccs(X86_CC_NAE, i0) # define jbs(i0) jccs(X86_CC_B, i0) # define jcs(i0) jccs(X86_CC_C, i0) # define jaes(i0) jccs(X86_CC_AE, i0) # define jnbs(i0) jccs(X86_CC_NB, i0) # define jncs(i0) jccs(X86_CC_NC, i0) # define jes(i0) jccs(X86_CC_E, i0) # define jzs(i0) jccs(X86_CC_Z, i0) # define jnes(i0) jccs(X86_CC_NE, i0) # define jnzs(i0) jccs(X86_CC_NZ, i0) # define jbes(i0) jccs(X86_CC_BE, i0) # define jnas(i0) jccs(X86_CC_NA, i0) # define jas(i0) jccs(X86_CC_A, i0) # define jnbes(i0) jccs(X86_CC_NBE, i0) # define jss(i0) jccs(X86_CC_S, i0) # define jnss(i0) jccs(X86_CC_NS, i0) # define jps(i0) jccs(X86_CC_P, i0) # define jpes(i0) jccs(X86_CC_PE, i0) # define jnps(i0) jccs(X86_CC_NP, i0) # define jpos(i0) jccs(X86_CC_PO, i0) # define jls(i0) jccs(X86_CC_L, i0) # define jnges(i0) jccs(X86_CC_NGE, i0) # define jges(i0) jccs(X86_CC_GE, i0) # define jnls(i0) jccs(X86_CC_NL, i0) # define jles(i0) jccs(X86_CC_LE, i0) # define jngs(i0) jccs(X86_CC_NG, i0) # define jgs(i0) jccs(X86_CC_G, i0) # define jnles(i0) jccs(X86_CC_NLE, i0) static jit_word_t _jccs(jit_state_t*, jit_int32_t, jit_word_t); # define jcr(code, i0, r0, r1) _jcr(_jit, code, i0, r0, r1) static jit_word_t _jcr(jit_state_t*, jit_int32_t,jit_word_t,jit_int32_t,jit_int32_t); # define jci(code, i0, r0, i1) _jci(_jit, code, i0, r0, i1) static jit_word_t _jci(jit_state_t*, jit_int32_t,jit_word_t,jit_int32_t,jit_word_t); # define jci0(code, i0, r0) _jci0(_jit, code, i0, r0) static jit_word_t _jci0(jit_state_t*, jit_int32_t, jit_word_t, jit_int32_t); # define bltr(i0, r0, r1) _bltr(_jit, i0, r0, r1) static jit_word_t _bltr(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define blti(i0, r0, i1) _blti(_jit, i0, r0, i1) static jit_word_t _blti(jit_state_t*, jit_word_t, jit_int32_t, jit_word_t); # define bltr_u(i0, r0, r1) _bltr_u(_jit, i0, r0, r1) static jit_word_t _bltr_u(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define blti_u(i0, r0, i1) _blti_u(_jit, i0, r0, i1) static jit_word_t _blti_u(jit_state_t*, jit_word_t, jit_int32_t, jit_word_t); # define bler(i0, r0, r1) _bler(_jit, i0, r0, r1) static jit_word_t _bler(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define blei(i0, r0, i1) _blei(_jit, i0, r0, i1) static jit_word_t _blei(jit_state_t*, jit_word_t, jit_int32_t, jit_word_t); # define bler_u(i0, r0, r1) _bler_u(_jit, i0, r0, r1) static jit_word_t _bler_u(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define blei_u(i0, r0, i1) _blei_u(_jit, i0, r0, i1) static jit_word_t _blei_u(jit_state_t*, jit_word_t, jit_int32_t, jit_word_t); # define beqr(i0, r0, r1) _beqr(_jit, i0, r0, r1) static jit_word_t _beqr(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define beqi(i0, r0, i1) _beqi(_jit, i0, r0, i1) static jit_word_t _beqi(jit_state_t*, jit_word_t, jit_int32_t, jit_word_t); # define bger(i0, r0, r1) _bger(_jit, i0, r0, r1) static jit_word_t _bger(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define bgei(i0, r0, i1) _bgei(_jit, i0, r0, i1) static jit_word_t _bgei(jit_state_t*, jit_word_t, jit_int32_t, jit_word_t); # define bger_u(i0, r0, r1) _bger_u(_jit, i0, r0, r1) static jit_word_t _bger_u(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define bgei_u(i0, r0, i1) _bgei_u(_jit, i0, r0, i1) static jit_word_t _bgei_u(jit_state_t*, jit_word_t, jit_int32_t, jit_word_t); # define bgtr(i0, r0, r1) _bgtr(_jit, i0, r0, r1) static jit_word_t _bgtr(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define bgti(i0, r0, i1) _bgti(_jit, i0, r0, i1) static jit_word_t _bgti(jit_state_t*, jit_word_t, jit_int32_t, jit_word_t); # define bgtr_u(i0, r0, r1) _bgtr_u(_jit, i0, r0, r1) static jit_word_t _bgtr_u(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define bgti_u(i0, r0, i1) _bgti_u(_jit, i0, r0, i1) static jit_word_t _bgti_u(jit_state_t*, jit_word_t, jit_int32_t, jit_word_t); # define bner(i0, r0, r1) _bner(_jit, i0, r0, r1) static jit_word_t _bner(jit_state_t*, jit_word_t, jit_int32_t, jit_int32_t); # define bnei(i0, r0, i1) _bnei(_jit, i0, r0, i1) static jit_word_t _bnei(jit_state_t*, jit_word_t, jit_int32_t, jit_word_t); # define bmsr(i0, r0, r1) _bmsr(_jit, i0, r0, r1) static jit_word_t _bmsr(jit_state_t*,jit_word_t,jit_int32_t,jit_int32_t); # define bmsi(i0, r0, i1) _bmsi(_jit, i0, r0, i1) static jit_word_t _bmsi(jit_state_t*,jit_word_t,jit_int32_t,jit_word_t); # define bmcr(i0, r0, r1) _bmcr(_jit, i0, r0, r1) static jit_word_t _bmcr(jit_state_t*,jit_word_t,jit_int32_t,jit_int32_t); # define bmci(i0, r0, i1) _bmci(_jit, i0, r0, i1) static jit_word_t _bmci(jit_state_t*,jit_word_t,jit_int32_t,jit_word_t); # define boaddr(i0, r0, r1) _boaddr(_jit, i0, r0, r1) static jit_word_t _boaddr(jit_state_t*,jit_word_t,jit_int32_t,jit_int32_t); # define boaddi(i0, r0, i1) _boaddi(_jit, i0, r0, i1) static jit_word_t _boaddi(jit_state_t*,jit_word_t,jit_int32_t,jit_word_t); # define boaddr_u(i0, r0, r1) _boaddr_u(_jit, i0, r0, r1) static jit_word_t _boaddr_u(jit_state_t*,jit_word_t,jit_int32_t,jit_int32_t); # define boaddi_u(i0, r0, i1) _boaddi_u(_jit, i0, r0, i1) static jit_word_t _boaddi_u(jit_state_t*,jit_word_t,jit_int32_t,jit_word_t); # define bxaddr(i0, r0, r1) _bxaddr(_jit, i0, r0, r1) static jit_word_t _bxaddr(jit_state_t*,jit_word_t,jit_int32_t,jit_int32_t); # define bxaddi(i0, r0, i1) _bxaddi(_jit, i0, r0, i1) static jit_word_t _bxaddi(jit_state_t*,jit_word_t,jit_int32_t,jit_word_t); # define bxaddr_u(i0, r0, r1) _bxaddr_u(_jit, i0, r0, r1) static jit_word_t _bxaddr_u(jit_state_t*,jit_word_t,jit_int32_t,jit_int32_t); # define bxaddi_u(i0, r0, i1) _bxaddi_u(_jit, i0, r0, i1) static jit_word_t _bxaddi_u(jit_state_t*,jit_word_t,jit_int32_t,jit_word_t); # define bosubr(i0, r0, r1) _bosubr(_jit, i0, r0, r1) static jit_word_t _bosubr(jit_state_t*,jit_word_t,jit_int32_t,jit_int32_t); # define bosubi(i0, r0, i1) _bosubi(_jit, i0, r0, i1) static jit_word_t _bosubi(jit_state_t*,jit_word_t,jit_int32_t,jit_word_t); # define bosubr_u(i0, r0, r1) _bosubr_u(_jit, i0, r0, r1) static jit_word_t _bosubr_u(jit_state_t*,jit_word_t,jit_int32_t,jit_int32_t); # define bosubi_u(i0, r0, i1) _bosubi_u(_jit, i0, r0, i1) static jit_word_t _bosubi_u(jit_state_t*,jit_word_t,jit_int32_t,jit_word_t); # define bxsubr(i0, r0, r1) _bxsubr(_jit, i0, r0, r1) static jit_word_t _bxsubr(jit_state_t*,jit_word_t,jit_int32_t,jit_int32_t); # define bxsubi(i0, r0, i1) _bxsubi(_jit, i0, r0, i1) static jit_word_t _bxsubi(jit_state_t*,jit_word_t,jit_int32_t,jit_word_t); # define bxsubr_u(i0, r0, r1) _bxsubr_u(_jit, i0, r0, r1) static jit_word_t _bxsubr_u(jit_state_t*,jit_word_t,jit_int32_t,jit_int32_t); # define bxsubi_u(i0, r0, i1) _bxsubi_u(_jit, i0, r0, i1) static jit_word_t _bxsubi_u(jit_state_t*,jit_word_t,jit_int32_t,jit_word_t); # define callr(r0) _callr(_jit, r0) static void _callr(jit_state_t*, jit_int32_t); # define calli(i0) _calli(_jit, i0) static jit_word_t _calli(jit_state_t*, jit_word_t); # if __X64 # define calli_p(i0) _calli_p(_jit, i0) static jit_word_t _calli_p(jit_state_t*, jit_word_t); # else # define calli_p(i0) calli(i0) # endif # define jmpr(r0) _jmpr(_jit, r0) static void _jmpr(jit_state_t*, jit_int32_t); # define jmpi(i0) _jmpi(_jit, i0) static jit_word_t _jmpi(jit_state_t*, jit_word_t); # if __X64 # define jmpi_p(i0) _jmpi_p(_jit, i0) static jit_word_t _jmpi_p(jit_state_t*, jit_word_t); # else # define jmpi_p(i0) jmpi(i0) # endif # define jmpsi(i0) _jmpsi(_jit, i0) static jit_word_t _jmpsi(jit_state_t*, jit_uint8_t); # define prolog(node) _prolog(_jit, node) static void _prolog(jit_state_t*, jit_node_t*); # define epilog(node) _epilog(_jit, node) static void _epilog(jit_state_t*, jit_node_t*); # define vastart(r0) _vastart(_jit, r0) static void _vastart(jit_state_t*, jit_int32_t); # define vaarg(r0, r1) _vaarg(_jit, r0, r1) static void _vaarg(jit_state_t*, jit_int32_t, jit_int32_t); # define vaarg_d(r0, r1, i0) _vaarg_d(_jit, r0, r1, i0) static void _vaarg_d(jit_state_t*, jit_int32_t, jit_int32_t, jit_bool_t); # define patch_at(instr, label) _patch_at(_jit, instr, label) static void _patch_at(jit_state_t*, jit_word_t, jit_word_t); # if !defined(HAVE_FFSL) # if __X32 # define ffsl(i) __builtin_ffs(i) # else # define ffsl(l) __builtin_ffsl(l) # endif # endif # define jit_cmov_p() jit_cpu.cmov #endif #if CODE static void _rex(jit_state_t *_jit, jit_int32_t l, jit_int32_t w, jit_int32_t r, jit_int32_t x, jit_int32_t b) { #if __X64 jit_int32_t v = 0x40 | (w << 3); if (r != _NOREG) v |= (r & 8)>> 1; if (x != _NOREG) v |= (x & 8)>> 2; if (b != _NOREG) v |= (b & 8)>> 3; if (l || v != 0x40) ic(v); #endif } static void _rx(jit_state_t *_jit, jit_int32_t rd, jit_int32_t md, jit_int32_t rb, jit_int32_t ri, jit_int32_t ms) { if (ri == _NOREG) { if (rb == _NOREG) { /* Use ms == _SCL8 to tell it is a %rip relative displacement */ #if __X64 if (ms == _SCL8) #endif mrm(0x00, r7(rd), 0x05); #if __X64 else { mrm(0x00, r7(rd), 0x04); sib(_SCL1, 0x04, 0x05); } #endif ii(md); } else if (r7(rb) == _RSP_REGNO) { if (md == 0) { mrm(0x00, r7(rd), 0x04); sib(ms, 0x04, 0x04); } else if ((jit_int8_t)md == md) { mrm(0x01, r7(rd), 0x04); sib(ms, 0x04, 0x04); ic(md); } else { mrm(0x02, r7(rd), 0x04); sib(ms, 0x04, 0x04); ii(md); } } else { if (md == 0 && r7(rb) != _RBP_REGNO) mrm(0x00, r7(rd), r7(rb)); else if ((jit_int8_t)md == md) { mrm(0x01, r7(rd), r7(rb)); ic(md); } else { mrm(0x02, r7(rd), r7(rb)); ii(md); } } } else if (rb == _NOREG) { mrm(0x00, r7(rd), 0x04); sib(ms, r7(ri), 0x05); ii(md); } else if (r8(ri) != _RSP_REGNO) { if (md == 0 && r7(rb) != _RBP_REGNO) { mrm(0x00, r7(rd), 0x04); sib(ms, r7(ri), r7(rb)); } else if ((jit_int8_t)md == md) { mrm(0x01, r7(rd), 0x04); sib(ms, r7(ri), r7(rb)); ic(md); } else { mrm(0x02, r7(rd), 0x04); sib(ms, r7(ri), r7(rb)); ic(md); } } else { fprintf(stderr, "illegal index register"); abort(); } } static void _nop(jit_state_t *_jit, jit_int32_t count) { jit_int32_t i; while (count) { if (count> 9) i = 9; else i = count; switch (i) { case 0: break; case 1: /* NOP */ ic(0x90); break; case 2: /* 66 NOP */ ic(0x66); ic(0x90); break; case 3: /* NOP DWORD ptr [EAX] */ ic(0x0f); ic(0x1f); ic(0x00); break; case 4: /* NOP DWORD ptr [EAX + 00H] */ ic(0x0f); ic(0x1f); ic(0x40); ic(0x00); break; case 5: /* NOP DWORD ptr [EAX + EAX*1 + 00H] */ ic(0x0f); ic(0x1f); ic(0x44); ic(0x00); ic(0x00); break; case 6: /* 66 NOP DWORD ptr [EAX + EAX*1 + 00H] */ ic(0x66); ic(0x0f); ic(0x1f); ic(0x44); ic(0x00); ic(0x00); break; case 7: /* NOP DWORD ptr [EAX + 00000000H] */ ic(0x0f); ic(0x1f); ic(0x80); ii(0x0000); break; case 8: /* NOP DWORD ptr [EAX + EAX*1 + 00000000H] */ ic(0x0f); ic(0x1f); ic(0x84); ic(0x00); ii(0x0000); break; case 9: /* 66 NOP DWORD ptr [EAX + EAX*1 + 00000000H] */ ic(0x66); ic(0x0f); ic(0x1f); ic(0x84); ic(0x00); ii(0x0000); break; } count -= i; } } static void _lea(jit_state_t *_jit, jit_int32_t md, jit_int32_t rb, jit_int32_t ri, jit_int32_t ms, jit_int32_t rd) { rex(0, WIDE, rd, ri, rb); ic(0x8d); rx(rd, md, rb, ri, ms); } static void _pushr(jit_state_t *_jit, jit_int32_t r0) { rex(0, WIDE, 0, 0, r0); ic(0x50 | r7(r0)); } static void _popr(jit_state_t *_jit, jit_int32_t r0) { rex(0, WIDE, 0, 0, r0); ic(0x58 | r7(r0)); } static void _xchgr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r1, _NOREG, r0); ic(0x87); mrm(0x03, r7(r1), r7(r0)); } static void _testr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r1, _NOREG, r0); ic(0x85); mrm(0x03, r7(r1), r7(r0)); } static void _testi(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { rex(0, WIDE, _NOREG, _NOREG, r0); if (r0 == _RAX_REGNO) ic(0xa9); else { ic(0xf7); mrm(0x03, 0x00, r7(r0)); } ii(i0); } static void _cc(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0) { rex(0, 0, _NOREG, _NOREG, r0); ic(0x0f); ic(0x90 | code); mrm(0x03, 0x00, r7(r0)); } static void _alur(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r1, _NOREG, r0); ic(code | 0x01); mrm(0x03, r7(r1), r7(r0)); } static void _alui(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0, jit_word_t i0) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { rex(0, WIDE, _NOREG, _NOREG, r0); if ((jit_int8_t)i0 == i0) { ic(0x83); ic(0xc0 | code | r7(r0)); ic(i0); } else { if (r0 == _RAX_REGNO) ic(code | 0x05); else { ic(0x81); ic(0xc0 | code | r7(r0)); } ii(i0); } } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); alur(code, r0, rn(reg)); jit_unget_reg(reg); } } static void _save(jit_state_t *_jit, jit_int32_t r0) { if (!_jitc->function->regoff[r0]) { _jitc->function->regoff[r0] = jit_allocai(sizeof(jit_word_t)); _jitc->again = 1; } assert(!jit_regset_tstbit(&_jitc->regsav, r0)); jit_regset_setbit(&_jitc->regsav, r0); stxi(_jitc->function->regoff[r0], _RBP_REGNO, r0); } static void _load(jit_state_t *_jit, jit_int32_t r0) { assert(_jitc->function->regoff[r0]); assert(jit_regset_tstbit(&_jitc->regsav, r0)); jit_regset_clrbit(&_jitc->regsav, r0); ldxi(r0, _RBP_REGNO, _jitc->function->regoff[r0]); } static void _addr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r0 == r1) iaddr(r0, r2); else if (r0 == r2) iaddr(r0, r1); else lea(0, r1, r2, _SCL1, r0); } static void _addi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (i0 == 0) movr(r0, r1); #if USE_INC_DEC else if (i0 == 1) incr(r0, r1); else if (i0 == -1) decr(r0, r1); #endif else if (can_sign_extend_int_p(i0)) { if (r0 == r1) iaddi(r0, i0); else lea(i0, r1, _NOREG, _SCL1, r0); } else if (r0 != r1) { movi(r0, i0); iaddr(r0, r1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); iaddr(r0, rn(reg)); jit_unget_reg(reg); } } static void _addcr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r0 == r2) iaddr(r0, r1); else { movr(r0, r1); iaddr(r0, r2); } } static void _addci(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { movr(r0, r1); iaddi(r0, i0); } else if (r0 == r1) { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); iaddr(r0, rn(reg)); jit_unget_reg(reg); } else { movi(r0, i0); iaddr(r0, r1); } } static void _iaddxr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { /* FIXME: this is not doing what I did expect for the simple test case: * mov 0ドルxffffffffffffffff, %rax -- rax = 0xffffffffffffffff (-1) * mov 0ドルxffffffffffffffff, %r10 -- r10 = 0xffffffffffffffff (-1) * mov 0ドルx1, %r11d -- r11 = 1 * xor %rbx, %rbx -- rbx = 0 * (gdb) p $eflags * 1ドル = [ PF ZF IF ] * add %r11, %rax -- r11 = 0x10000000000000000 (0) * does not fit in 64 bit ^ * (gdb) p $eflags * 2ドル = [ CF PF AF ZF IF ] * adcx %r10, %rbx -- r10 = 0xffffffffffffffff (-1) * (gdb) p $eflags * 3ドル = [ CF PF AF ZF IF ] * (gdb) p/x $r10 * 4ドル = 0xffffffffffffffff * but, r10 should be zero, as it is: * -1 (%r10) + 0 (%rbx) + carry (!!eflags.CF) * FIXME: maybe should only use ADCX in the third operation onward, that * is, after the first ADC? In either case, the add -1+0+carry should * have used and consumed the carry? At least this is what is expected * in Lightning... */ #if 0 /* Significantly longer instruction, but avoid cpu stalls as only * the carry flag is used in a sequence. */ if (jit_cpu.adx) { /* ADCX */ ic(0x66); rex(0, WIDE, r1, _NOREG, r0); ic(0x0f); ic(0x38); ic(0xf6); mrm(0x03, r7(r1), r7(r0)); } else #endif alur(X86_ADC, r0, r1); } static void _addxr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r0 == r2) iaddxr(r0, r1); else { movr(r0, r1); iaddxr(r0, r2); } } static void _addxi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if ( #if 0 /* Do not mix ADC and ADCX */ !jit_cpu.adx && #endif can_sign_extend_int_p(i0)) { movr(r0, r1); iaddxi(r0, i0); } else if (r0 == r1) { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); iaddxr(r0, rn(reg)); jit_unget_reg(reg); } else { movi(r0, i0); iaddxr(r0, r1); } } static void _subr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) ixorr(r0, r0); else if (r0 == r2) { isubr(r0, r1); inegr(r0); } else { movr(r0, r1); isubr(r0, r2); } } static void _subi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (i0 == 0) movr(r0, r1); #if USE_INC_DEC else if (i0 == 1) decr(r0, r1); else if (i0 == -1) incr(r0, r1); #endif else if (can_sign_extend_int_p(i0)) { if (r0 == r1) isubi(r0, i0); else lea(-i0, r1, _NOREG, _SCL1, r0); } else if (r0 != r1) { movi(r0, -i0); iaddr(r0, r1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); isubr(r0, rn(reg)); jit_unget_reg(reg); } } static void _subcr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { jit_int32_t reg; if (r0 == r2 && r0 != r1) { reg = jit_get_reg(jit_class_gpr); movr(rn(reg), r0); movr(r0, r1); isubr(r0, rn(reg)); jit_unget_reg(reg); } else { movr(r0, r1); isubr(r0, r2); } } static void _subci(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; movr(r0, r1); if (can_sign_extend_int_p(i0)) isubi(r0, i0); else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); isubr(r0, rn(reg)); jit_unget_reg(reg); } } static void _subxr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { jit_int32_t reg; if (r0 == r2 && r0 != r1) { reg = jit_get_reg(jit_class_gpr); movr(rn(reg), r0); movr(r0, r1); isubxr(r0, rn(reg)); jit_unget_reg(reg); } else { movr(r0, r1); isubxr(r0, r2); } } static void _subxi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; movr(r0, r1); if (can_sign_extend_int_p(i0)) isubxi(r0, i0); else { reg = jit_get_reg(jit_class_gpr); imovi(rn(reg), i0); isubxr(r0, rn(reg)); jit_unget_reg(reg); } } static void _rsbi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { subi(r0, r1, i0); negr(r0, r0); } static void _imulr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xaf); mrm(0x03, r7(r0), r7(r1)); } static void _imuli(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { rex(0, WIDE, r0, _NOREG, r1); if ((jit_int8_t)i0 == i0) { ic(0x6b); mrm(0x03, r7(r0), r7(r1)); ic(i0); } else { ic(0x69); mrm(0x03, r7(r0), r7(r1)); ii(i0); } } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); imulr(r0, rn(reg)); jit_unget_reg(reg); } } static void _mulr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r0 == r1) imulr(r0, r2); else if (r0 == r2) imulr(r0, r1); else { movr(r0, r1); imulr(r0, r2); } } static void _muli(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { switch (i0) { case 0: ixorr(r0, r0); break; case 1: movr(r0, r1); break; case -1: negr(r0, r1); break; case 2: lea(0, _NOREG, r1, _SCL2, r0); break; case 4: lea(0, _NOREG, r1, _SCL4, r0); break; case 8: lea(0, _NOREG, r1, _SCL8, r0); break; default: if (i0> 0 && !(i0 & (i0 - 1))) lshi(r0, r1, ffsl(i0) - 1); else if (can_sign_extend_int_p(i0)) imuli(r0, r1, i0); else if (r0 != r1) { movi(r0, i0); imulr(r0, r1); } else imuli(r0, r0, i0); break; } } #define savset(rn) \ do { \ if (r0 != rn) { \ sav |= 1 << rn; \ if (r1 != rn && r2 != rn) \ set |= 1 << rn; \ } \ } while (0) #define isavset(rn) \ do { \ if (r0 != rn) { \ sav |= 1 << rn; \ if (r1 != rn) \ set |= 1 << rn; \ } \ } while (0) #define qsavset(rn) \ do { \ if (r0 != rn && r1 != rn) { \ sav |= 1 << rn; \ if (r2 != rn && r3 != rn) \ set |= 1 << rn; \ } \ } while (0) #define allocr(rn, rv) \ do { \ if (set & (1 << rn)) \ (void)jit_get_reg(rv|jit_class_gpr|jit_class_named); \ if (sav & (1 << rn)) { \ if ( jit_regset_tstbit(&_jitc->regsav, rv) || \ !jit_regset_tstbit(&_jitc->reglive, rv)) \ sav &= ~(1 << rn); \ else \ save(rv); \ } \ } while (0) #define clear(rn, rv) \ do { \ if (set & (1 << rn)) \ jit_unget_reg(rv); \ if (sav & (1 << rn)) \ load(rv); \ } while (0) static void _iqmulr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2, jit_int32_t r3, jit_bool_t sign) { jit_int32_t mul; jit_int32_t sav; jit_int32_t set; sav = set = 0; qsavset(_RDX_REGNO); qsavset(_RAX_REGNO); allocr(_RDX_REGNO, _RDX); allocr(_RAX_REGNO, _RAX); if (r3 == _RAX_REGNO) mul = r2; else { mul = r3; movr(_RAX_REGNO, r2); } if (sign) umulr(mul); else umulr_u(mul); if (r0 == _RDX_REGNO && r1 == _RAX_REGNO) xchgr(_RAX_REGNO, _RDX_REGNO); else { if (r0 != _RDX_REGNO) movr(r0, _RAX_REGNO); movr(r1, _RDX_REGNO); if (r0 == _RDX_REGNO) movr(r0, _RAX_REGNO); } clear(_RDX_REGNO, _RDX); clear(_RAX_REGNO, _RAX); } static void _iqmuli(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2, jit_word_t i0, jit_bool_t sign) { jit_int32_t reg; if (i0 == 0) { ixorr(r0, r0); ixorr(r1, r1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); if (sign) qmulr(r0, r1, r2, rn(reg)); else qmulr_u(r0, r1, r2, rn(reg)); jit_unget_reg(reg); } } static void _sign_extend_rdx_rax(jit_state_t *_jit) { rex(0, WIDE, 0, 0, 0); ic(0x99); } static void _divremr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2, jit_bool_t sign, jit_bool_t divide) { jit_int32_t div; jit_int32_t reg; jit_int32_t set; jit_int32_t sav; jit_int32_t use; sav = set = use = 0; savset(_RDX_REGNO); savset(_RAX_REGNO); allocr(_RDX_REGNO, _RDX); allocr(_RAX_REGNO, _RAX); if (r2 == _RAX_REGNO) { if (r0 == _RAX_REGNO || r0 == _RDX_REGNO) { if ((reg = jit_get_reg(jit_class_gpr|jit_class_chk)) == JIT_NOREG) reg = jit_get_reg((r1 == _RCX_REGNO ? _RBX : _RCX) | jit_class_gpr|jit_class_named); use = 1; div = rn(reg); movr(div, _RAX_REGNO); if (r1 != _RAX_REGNO) movr(_RAX_REGNO, r1); } else { if (r0 == r1) xchgr(r0, _RAX_REGNO); else { if (r0 != _RAX_REGNO) movr(r0, _RAX_REGNO); if (r1 != _RAX_REGNO) movr(_RAX_REGNO, r1); } div = r0; } } else if (r2 == _RDX_REGNO) { if (r0 == _RAX_REGNO || r0 == _RDX_REGNO) { if ((reg = jit_get_reg(jit_class_gpr|jit_class_chk)) == JIT_NOREG) reg = jit_get_reg((r1 == _RCX_REGNO ? _RBX : _RCX) | jit_class_gpr|jit_class_named); use = 1; div = rn(reg); movr(div, _RDX_REGNO); if (r1 != _RAX_REGNO) movr(_RAX_REGNO, r1); } else { if (r1 != _RAX_REGNO) movr(_RAX_REGNO, r1); movr(r0, _RDX_REGNO); div = r0; } } else { if (r1 != _RAX_REGNO) movr(_RAX_REGNO, r1); div = r2; } if (sign) { sign_extend_rdx_rax(); idivr(div); } else { ixorr(_RDX_REGNO, _RDX_REGNO); idivr_u(div); } if (use) jit_unget_reg(reg); if (divide) movr(r0, _RAX_REGNO); else movr(r0, _RDX_REGNO); clear(_RDX_REGNO, _RDX); clear(_RAX_REGNO, _RAX); } static void _divremi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0, jit_bool_t sign, jit_bool_t divide) { jit_int32_t reg; jit_int32_t div; jit_int32_t sav; jit_int32_t set; jit_int32_t use; if (divide) { switch (i0) { case 1: movr(r0, r1); return; case -1: if (sign) { negr(r0, r1); return; } break; default: if (i0> 0 && !(i0 & (i0 - 1))) { movr(r0, r1); if (sign) rshi(r0, r0, ffsl(i0) - 1); else rshi_u(r0, r0, ffsl(i0) - 1); return; } break; } } else if (i0 == 1 || (sign && i0 == -1)) { ixorr(r0, r0); return; } else if (!sign && i0> 0 && !(i0 & (i0 - 1))) { if (can_sign_extend_int_p(i0)) { movr(r0, r1); iandi(r0, i0 - 1); } else if (r0 != r1) { movi(r0, i0 - 1); iandr(r0, r1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0 - 1); iandr(r0, rn(reg)); jit_unget_reg(reg); } return; } sav = set = use = 0; isavset(_RDX_REGNO); isavset(_RAX_REGNO); allocr(_RDX_REGNO, _RDX); allocr(_RAX_REGNO, _RAX); if (r0 == _RAX_REGNO || r0 == _RDX_REGNO || r0 == r1) { if ((reg = jit_get_reg(jit_class_gpr|jit_class_chk)) == JIT_NOREG) reg = jit_get_reg((r1 == _RCX_REGNO ? _RBX : _RCX) | jit_class_gpr|jit_class_named); use = 1; div = rn(reg); } else div = r0; movi(div, i0); movr(_RAX_REGNO, r1); if (sign) { sign_extend_rdx_rax(); idivr(div); } else { ixorr(_RDX_REGNO, _RDX_REGNO); idivr_u(div); } if (use) jit_unget_reg(reg); if (divide) movr(r0, _RAX_REGNO); else movr(r0, _RDX_REGNO); clear(_RDX_REGNO, _RDX); clear(_RAX_REGNO, _RAX); } static void _iqdivr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2, jit_int32_t r3, jit_bool_t sign) { jit_int32_t div; jit_int32_t reg; jit_int32_t sav; jit_int32_t set; jit_int32_t use; sav = set = use = 0; qsavset(_RDX_REGNO); qsavset(_RAX_REGNO); allocr(_RDX_REGNO, _RDX); allocr(_RAX_REGNO, _RAX); if (r3 == _RAX_REGNO) { if (r0 == _RAX_REGNO || r0 == _RDX_REGNO) { if ((reg = jit_get_reg(jit_class_gpr|jit_class_chk)) == JIT_NOREG) reg = jit_get_reg((r1 == _RCX_REGNO ? _RBX : _RCX) | jit_class_gpr|jit_class_named); use = 1; div = rn(reg); movr(div, _RAX_REGNO); if (r2 != _RAX_REGNO) movr(_RAX_REGNO, r2); } else { if (r0 == r2) xchgr(r0, _RAX_REGNO); else { if (r0 != _RAX_REGNO) movr(r0, _RAX_REGNO); if (r2 != _RAX_REGNO) movr(_RAX_REGNO, r2); } div = r0; } } else if (r3 == _RDX_REGNO) { if (r0 == _RAX_REGNO || r0 == _RDX_REGNO) { if ((reg = jit_get_reg(jit_class_gpr|jit_class_chk)) == JIT_NOREG) reg = jit_get_reg((r1 == _RCX_REGNO ? _RBX : _RCX) | jit_class_gpr|jit_class_named); use = 1; div = rn(reg); movr(div, _RDX_REGNO); if (r2 != _RAX_REGNO) movr(_RAX_REGNO, r2); } else { if (r2 != _RAX_REGNO) movr(_RAX_REGNO, r2); movr(r0, _RDX_REGNO); div = r0; } } else { if (r2 != _RAX_REGNO) movr(_RAX_REGNO, r2); div = r3; } if (sign) { sign_extend_rdx_rax(); idivr(div); } else { ixorr(_RDX_REGNO, _RDX_REGNO); idivr_u(div); } if (use) jit_unget_reg(reg); if (r0 == _RDX_REGNO && r1 == _RAX_REGNO) xchgr(_RAX_REGNO, _RDX_REGNO); else { if (r0 != _RDX_REGNO) movr(r0, _RAX_REGNO); movr(r1, _RDX_REGNO); if (r0 == _RDX_REGNO) movr(r0, _RAX_REGNO); } clear(_RDX_REGNO, _RDX); clear(_RAX_REGNO, _RAX); } static void _iqdivi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2, jit_word_t i0, jit_bool_t sign) { jit_int32_t reg; reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); if (sign) qdivr(r0, r1, r2, rn(reg)); else qdivr_u(r0, r1, r2, rn(reg)); jit_unget_reg(reg); } static void _andr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movr(r0, r1); else if (r0 == r1) iandr(r0, r2); else if (r0 == r2) iandr(r0, r1); else { movr(r0, r1); iandr(r0, r2); } } static void _andi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (i0 == 0) ixorr(r0, r0); else if (i0 == -1) movr(r0, r1); else if (r0 == r1) { if (can_sign_extend_int_p(i0)) iandi(r0, i0); else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); iandr(r0, rn(reg)); jit_unget_reg(reg); } } else { movi(r0, i0); iandr(r0, r1); } } static void _orr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movr(r0, r1); else if (r0 == r1) iorr(r0, r2); else if (r0 == r2) iorr(r0, r1); else { movr(r0, r1); iorr(r0, r2); } } static void _ori(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (i0 == 0) movr(r0, r1); else if (i0 == -1) movi(r0, -1); else if (can_sign_extend_int_p(i0)) { movr(r0, r1); iori(r0, i0); } else if (r0 != r1) { movi(r0, i0); iorr(r0, r1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); iorr(r0, rn(reg)); jit_unget_reg(reg); } } static void _xorr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) ixorr(r0, r0); else if (r0 == r1) ixorr(r0, r2); else if (r0 == r2) ixorr(r0, r1); else { movr(r0, r1); ixorr(r0, r2); } } static void _xori(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (i0 == 0) movr(r0, r1); else if (i0 == -1) comr(r0, r1); else if (can_sign_extend_int_p(i0)) { movr(r0, r1); ixori(r0, i0); } else if (r0 != r1) { movi(r0, i0); ixorr(r0, r1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ixorr(r0, rn(reg)); jit_unget_reg(reg); } } static void _irotshr(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0) { rex(0, WIDE, _RCX_REGNO, _NOREG, r0); ic(0xd3); mrm(0x03, code, r7(r0)); } static void _rotshr(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { jit_int32_t reg; jit_int32_t use; if (r0 == _RCX_REGNO) { reg = jit_get_reg(jit_class_gpr); movr(rn(reg), r1); if (r2 != _RCX_REGNO) movr(_RCX_REGNO, r2); irotshr(code, rn(reg)); movr(_RCX_REGNO, rn(reg)); jit_unget_reg(reg); } else if (r2 != _RCX_REGNO) { use = !jit_reg_free_p(_RCX); if (use) { reg = jit_get_reg(jit_class_gpr); movr(rn(reg), _RCX_REGNO); } else reg = 0; if (r1 == _RCX_REGNO) { if (r0 == r2) xchgr(r0, _RCX_REGNO); else { movr(r0, r1); movr(_RCX_REGNO, r2); } } else { movr(_RCX_REGNO, r2); movr(r0, r1); } irotshr(code, r0); if (use) { movr(_RCX_REGNO, rn(reg)); jit_unget_reg(reg); } } else { movr(r0, r1); irotshr(code, r0); } } static void _irotshi(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0, jit_word_t i0) { rex(0, WIDE, _NOREG, _NOREG, r0); if (i0 == 1) { ic(0xd1); mrm(0x03, code, r7(r0)); } else { ic(0xc1); mrm(0x03, code, r7(r0)); ic(i0); } } static void _rotshi(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { movr(r0, r1); if (i0) irotshi(code, r0, i0); } static void _lshi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { if (i0 == 0) movr(r0, r1); else if (i0 <= 3) lea(0, _NOREG, r1, i0 == 1 ? _SCL2 : i0 == 2 ? _SCL4 : _SCL8, r0); else rotshi(X86_SHL, r0, r1, i0); } static void _unr(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0) { rex(0, WIDE, _NOREG, _NOREG, r0); ic(0xf7); mrm(0x03, code, r7(r0)); } static void _negr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { if (r0 == r1) inegr(r0); else { ixorr(r0, r0); isubr(r0, r1); } } static void _comr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { movr(r0, r1); icomr(r0); } #if USE_INC_DEC static void _incr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { movr(r0, r1); # if __X64 rex(0, WIDE, _NOREG, _NOREG, r0); ic(0xff); ic(0xc0 | r7(r0)); # else ic(0x40 | r7(r0)); # endif } static void _decr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { movr(r0, r1); # if __X64 rex(0, WIDE, _NOREG, _NOREG, r0); ic(0xff); ic(0xc8 | r7(r0)); # else ic(0x48 | r7(r0)); # endif } #endif static void _clor(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { comr(r0, r1); clzr(r0, r0); } static void _clzr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { jit_word_t w, x; /* LZCNT */ if (jit_cpu.abm) ic(0xf3); /* else BSR */ rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xbd); mrm(0x3, r7(r0), r7(r1)); if (!jit_cpu.abm) { /* jump if undefined: r1 == 0 */ w = jccs(X86_CC_E, _jit->pc.w); /* count leading zeros */ rsbi(r0, r0, __WORDSIZE - 1); /* done */ x = jmpsi(_jit->pc.w); /* if r1 == 0 */ patch_at(w, _jit->pc.w); movi(r0, __WORDSIZE); /* not undefined */ patch_at(x, _jit->pc.w); } /* LZCNT has defined behavior for value zero and count leading zeros */ } static void _ctor(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { comr(r0, r1); ctzr(r0, r0); } static void _ctzr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { jit_word_t w; jit_int32_t t0; if (!jit_cpu.abm) { if (jit_cmov_p()) t0 = jit_get_reg(jit_class_gpr|jit_class_nospill|jit_class_chk); else t0 = _NOREG; if (t0 != _NOREG) movi(rn(t0), __WORDSIZE); } /* TZCNT */ if (jit_cpu.abm) ic(0xf3); /* else BSF */ rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xbc); mrm(0x3, r7(r0), r7(r1)); if (!jit_cpu.abm) { /* No conditional move or need spill/reload a temporary */ if (t0 == _NOREG) { w = jccs(X86_CC_E, _jit->pc.w); movi(r0, __WORDSIZE); patch_at(w, _jit->pc.w); } else { /* CMOVE */ rex(0, WIDE, r0, _NOREG, rn(t0)); ic(0x0f); ic(0x44); mrm(0x3, r7(r0), r7(rn(t0))); jit_unget_reg(t0); } } /* TZCNT has defined behavior for value zero */ } static void _rbitr(jit_state_t * _jit, jit_int32_t r0, jit_int32_t r1) { jit_word_t loop; jit_int32_t sav, set, use; jit_int32_t r0_reg, t0, r1_reg, t1, t2, t3; static const unsigned char swap_tab[256] = { 0, 128, 64, 192, 32, 160, 96, 224, 16, 144, 80, 208, 48, 176, 112, 240, 8, 136, 72, 200, 40, 168, 104, 232, 24, 152, 88, 216 ,56, 184, 120, 248, 4, 132, 68, 196, 36, 164, 100, 228, 20, 148, 84, 212, 52, 180, 116, 244, 12, 140, 76, 204, 44, 172, 108, 236, 28, 156, 92, 220, 60, 188, 124, 252, 2, 130, 66, 194, 34, 162, 98, 226, 18, 146, 82, 210, 50, 178, 114, 242, 10, 138, 74, 202, 42, 170, 106, 234, 26, 154, 90, 218, 58, 186, 122, 250, 6, 134, 70, 198, 38, 166, 102, 230, 22, 150, 86, 214, 54, 182, 118, 246, 14, 142, 78, 206, 46, 174, 110, 238, 30, 158, 94, 222, 62, 190, 126, 254, 1, 129, 65, 193, 33, 161, 97, 225, 17, 145, 81, 209, 49, 177, 113, 241, 9, 137, 73, 201, 41, 169, 105, 233, 25, 153, 89, 217, 57, 185, 121, 249, 5, 133, 69, 197, 37, 165, 101, 229, 21, 149, 85, 213, 53, 181, 117, 245, 13, 141, 77, 205, 45, 173, 109, 237, 29, 157, 93, 221, 61, 189, 125, 253, 3, 131, 67, 195, 35, 163, 99, 227, 19, 147, 83, 211, 51, 179, 115, 243, 11, 139, 75, 203, 43, 171, 107, 235, 27, 155, 91, 219, 59, 187, 123, 251, 7, 135, 71, 199, 39, 167, 103, 231, 23, 151, 87, 215, 55, 183, 119, 247, 15, 143, 79, 207, 47, 175, 111, 239, 31, 159, 95, 223, 63, 191, 127, 255 }; sav = set = use = 0; isavset(_RCX_REGNO); allocr(_RCX_REGNO, _RCX); if (r0 == _RCX_REGNO) { t0 = jit_get_reg(jit_class_gpr); r0_reg = rn(t0); } else { t0 = JIT_NOREG; r0_reg = r0; } if (r1 == _RCX_REGNO || r0 == r1) { t1 = jit_get_reg(jit_class_gpr); r1_reg = rn(t1); movr(r1_reg, r1); } else { t1 = JIT_NOREG; r1_reg = r1; } t2 = jit_get_reg(jit_class_gpr); t3 = jit_get_reg(jit_class_gpr); #if __WORDSIZE == 32 /* Avoid condition that causes running out of registers */ if (!reg8_p(r1_reg)) { movi(rn(t2), 0xff); andr(rn(t2), r1_reg, rn(t2)); } else #endif extr_uc(rn(t2), r1_reg); movi(rn(t3), (jit_word_t)swap_tab); ldxr_uc(r0_reg, rn(t3), rn(t2)); movi(_RCX_REGNO, 8); loop = _jit->pc.w; rshr(rn(t2), r1_reg, _RCX_REGNO); extr_uc(rn(t2), rn(t2)); lshi(r0_reg, r0_reg, 8); ldxr_uc(rn(t2), rn(t3), rn(t2)); orr(r0_reg, r0_reg, rn(t2)); addi(_RCX_REGNO, _RCX_REGNO, 8); alui(X86_CMP, _RCX_REGNO, __WORDSIZE); jls(loop); clear(_RCX_REGNO, _RCX); jit_unget_reg(t3); jit_unget_reg(t2); if (t1 != JIT_NOREG) jit_unget_reg(t1); if (t0 != JIT_NOREG) { movr(r0, r0_reg); jit_unget_reg(t0); } } static void _popcntr(jit_state_t * _jit, jit_int32_t r0, jit_int32_t r1) { if (jit_cpu.abm) { ic(0xf3); rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xb8); mrm(0x3, r7(r0), r7(r1)); } else { jit_word_t loop; jit_int32_t sav, set, use; jit_int32_t r0_reg, t0, r1_reg, t1, t2, t3; static const unsigned char pop_tab[256] = { 0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,1,2,2,3,2,3,3,4,2,3,3,4,3,4,4,5, 1,2,2,3,2,3,3,4,2,3,3,4,3,4,4,5,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6, 1,2,2,3,2,3,3,4,2,3,3,4,3,4,4,5,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6, 2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,3,4,4,5,4,5,5,6,4,5,5,6,5,6,6,7, 1,2,2,3,2,3,3,4,2,3,3,4,3,4,4,5,2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6, 2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,3,4,4,5,4,5,5,6,4,5,5,6,5,6,6,7, 2,3,3,4,3,4,4,5,3,4,4,5,4,5,5,6,3,4,4,5,4,5,5,6,4,5,5,6,5,6,6,7, 3,4,4,5,4,5,5,6,4,5,5,6,5,6,6,7,4,5,5,6,5,6,6,7,5,6,6,7,6,7,7,8 }; sav = set = use = 0; isavset(_RCX_REGNO); allocr(_RCX_REGNO, _RCX); if (r0 == _RCX_REGNO) { t0 = jit_get_reg(jit_class_gpr); r0_reg = rn(t0); } else { t0 = JIT_NOREG; r0_reg = r0; } if (r1 == _RCX_REGNO || r0 == r1) { t1 = jit_get_reg(jit_class_gpr); r1_reg = rn(t1); movr(r1_reg, r1); } else { t1 = JIT_NOREG; r1_reg = r1; } t2 = jit_get_reg(jit_class_gpr); t3 = jit_get_reg(jit_class_gpr); #if __WORDSIZE == 32 /* Avoid condition that causes running out of registers */ if (!reg8_p(r1_reg)) { movi(rn(t2), 0xff); andr(rn(t2), r1_reg, rn(t2)); } else #endif extr_uc(rn(t2), r1_reg); movi(rn(t3), (jit_word_t)pop_tab); ldxr_uc(r0_reg, rn(t3), rn(t2)); movi(_RCX_REGNO, 8); loop = _jit->pc.w; rshr(rn(t2), r1_reg, _RCX_REGNO); extr_uc(rn(t2), rn(t2)); ldxr_uc(rn(t2), rn(t3), rn(t2)); addr(r0_reg, r0_reg, rn(t2)); addi(_RCX_REGNO, _RCX_REGNO, 8); alui(X86_CMP, _RCX_REGNO, __WORDSIZE); jls(loop); clear(_RCX_REGNO, _RCX); jit_unget_reg(t3); jit_unget_reg(t2); if (t1 != JIT_NOREG) jit_unget_reg(t1); if (t0 != JIT_NOREG) { movr(r0, r0_reg); jit_unget_reg(t0); } } } static void _cr(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { jit_int32_t reg; jit_bool_t same; if (reg8_p(r0)) { same = r0 == r1 || r0 == r2; if (!same) ixorr(r0, r0); icmpr(r1, r2); if (same) imovi(r0, 0); cc(code, r0); } else { reg = jit_get_reg(jit_class_gpr|jit_class_rg8); ixorr(rn(reg), rn(reg)); icmpr(r1, r2); cc(code, rn(reg)); movr(r0, rn(reg)); jit_unget_reg(reg); } } static void _ci(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; jit_bool_t same; if (reg8_p(r0)) { same = r0 == r1; if (!same) ixorr(r0, r0); icmpi(r1, i0); if (same) imovi(r0, 0); cc(code, r0); } else { reg = jit_get_reg(jit_class_gpr|jit_class_rg8); ixorr(rn(reg), rn(reg)); icmpi(r1, i0); cc(code, rn(reg)); movr(r0, rn(reg)); jit_unget_reg(reg); } } static void _ci0(jit_state_t *_jit, jit_int32_t code, jit_int32_t r0, jit_int32_t r1) { jit_int32_t reg; jit_bool_t same; if (reg8_p(r0)) { same = r0 == r1; if (!same) ixorr(r0, r0); testr(r1, r1); if (same) imovi(r0, 0); cc(code, r0); } else { reg = jit_get_reg(jit_class_gpr|jit_class_rg8); ixorr(rn(reg), rn(reg)); testr(r1, r1); cc(code, rn(reg)); movr(r0, rn(reg)); jit_unget_reg(reg); } } static void _ltr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movi(r0, 0); else cr(X86_CC_L, r0, r1, r2); } static void _lti(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { if (i0) ci(X86_CC_L, r0, r1, i0); else ci0(X86_CC_S, r0, r1); } static void _ltr_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movi(r0, 0); else cr(X86_CC_B, r0, r1, r2); } static void _ler(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movi(r0, 1); else cr(X86_CC_LE, r0, r1, r2); } static void _ler_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movi(r0, 1); else cr(X86_CC_BE, r0, r1, r2); } static void _lei_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { if (i0) ci(X86_CC_BE, r0, r1, i0); else ci0(X86_CC_E, r0, r1); } static void _eqr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movi(r0, 1); else cr(X86_CC_E, r0, r1, r2); } static void _eqi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { if (i0) ci(X86_CC_E, r0, r1, i0); else ci0(X86_CC_E, r0, r1); } static void _ger(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movi(r0, 1); else cr(X86_CC_GE, r0, r1, r2); } static void _gei(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { if (i0) ci(X86_CC_GE, r0, r1, i0); else ci0(X86_CC_NS, r0, r1); } static void _ger_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movi(r0, 1); else cr(X86_CC_AE, r0, r1, r2); } static void _gei_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { if (i0) ci(X86_CC_AE, r0, r1, i0); else ci0(X86_CC_NB, r0, r1); } static void _gtr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movi(r0, 0); else cr(X86_CC_G, r0, r1, r2); } static void _gtr_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movi(r0, 0); else cr(X86_CC_A, r0, r1, r2); } static void _gti_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { if (i0) ci(X86_CC_A, r0, r1, i0); else ci0(X86_CC_NE, r0, r1); } static void _ner(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { if (r1 == r2) movi(r0, 0); else cr(X86_CC_NE, r0, r1, r2); } static void _nei(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { if (i0) ci(X86_CC_NE, r0, r1, i0); else ci0(X86_CC_NE, r0, r1); } static void _movr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { if (r0 != r1) { rex(0, 1, r1, _NOREG, r0); ic(0x89); ic(0xc0 | (r1 << 3) | r7(r0)); } } static void _imovi(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { #if __X64 # if !__X64_32 if (fits_uint32_p(i0)) { # endif rex(0, 0, _NOREG, _NOREG, r0); ic(0xb8 | r7(r0)); ii(i0); # if !__X64_32 } else if (can_sign_extend_int_p(i0)) { rex(0, 1, _NOREG, _NOREG, r0); ic(0xc7); ic(0xc0 | r7(r0)); ii(i0); } else { rex(0, 1, _NOREG, _NOREG, r0); ic(0xb8 | r7(r0)); il(i0); } # endif #else ic(0xb8 | r7(r0)); ii(i0); #endif } #if CAN_RIP_ADDRESS static jit_word_t #else static void #endif _movi(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { #if CAN_RIP_ADDRESS jit_word_t w, rel; w = _jit->pc.w; rel = i0 - (w + 8); rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { /* lea rel(%rip), %r0 */ rex(0, WIDE, r0, _NOREG, _NOREG); w = _jit->pc.w; ic(0x8d); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else #endif if (i0) imovi(r0, i0); else ixorr(r0, r0); #if CAN_RIP_ADDRESS return (w); #endif } static jit_word_t _movi_p(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { jit_word_t w; rex(0, WIDE, _NOREG, _NOREG, r0); w = _jit->pc.w; ic(0xb8 | r7(r0)); il(i0); return (w); } static void _movcr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xbe); mrm(0x03, r7(r0), r7(r1)); } static void _movcr_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xb6); mrm(0x03, r7(r0), r7(r1)); } static void _movsr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xbf); mrm(0x03, r7(r0), r7(r1)); } static void _movsr_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xb7); mrm(0x03, r7(r0), r7(r1)); } static void _casx(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2, jit_int32_t r3, jit_word_t i0) { jit_int32_t save_rax, restore_rax; jit_int32_t ascasr_reg, ascasr_use; if (r0 != _RAX_REGNO) { /* result not in %rax */ if (r2 != _RAX_REGNO) { /* old value not in %rax */ save_rax = jit_get_reg(jit_class_gpr); movr(rn(save_rax), _RAX_REGNO); restore_rax = 1; } else restore_rax = 0; } else restore_rax = 0; if (r2 != _RAX_REGNO) movr(_RAX_REGNO, r2); if (r1 == _NOREG) { /* using immediate address */ if (!can_sign_extend_int_p(i0)) { ascasr_reg = jit_get_reg(jit_class_gpr); if (ascasr_reg == _RAX) { ascasr_reg = jit_get_reg(jit_class_gpr); jit_unget_reg(_RAX); } ascasr_use = 1; movi(rn(ascasr_reg), i0); } else ascasr_use = 0; } else ascasr_use = 0; ic(0xf0); /* lock */ if (ascasr_use) rex(0, WIDE, r3, _NOREG, rn(ascasr_reg)); else rex(0, WIDE, r3, _NOREG, r1); ic(0x0f); ic(0xb1); if (r1 != _NOREG) /* casr */ rx(r3, 0, r1, _NOREG, _SCL1); else { /* casi */ if (ascasr_use) rx(r3, 0, rn(ascasr_reg), _NOREG, _SCL1); /* address in reg */ else rx(r3, i0, _NOREG, _NOREG, _SCL1); /* address in offset */ } cc(X86_CC_E, r0); if (r0 != _RAX_REGNO) movr(r0, _RAX_REGNO); if (restore_rax) { movr(_RAX_REGNO, rn(save_rax)); jit_unget_reg(save_rax); } if (ascasr_use) jit_unget_reg(ascasr_reg); } static void _movnr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { assert(jit_cmov_p()); testr(r2, r2); rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0x45); mrm(0x03, r7(r0), r7(r1)); } static void _movzr(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { assert(jit_cmov_p()); testr(r2, r2); rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0x44); mrm(0x03, r7(r0), r7(r1)); } #if __X64 static void _movir(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, 1, r0, _NOREG, r1); ic(0x63); mrm(0x03, r7(r0), r7(r1)); } static void _movir_u(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, 0, r1, _NOREG, r0); ic(0x89); ic(0xc0 | (r1 << 3) | r7(r0)); } #endif static void _bswapr_us(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { extr_us(r0, r1); ic(0x66); rex(0, 0, _NOREG, _NOREG, r0); ic(0xc1); mrm(0x03, X86_ROR, r7(r0)); ic(8); } static void _bswapr_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { movr(r0, r1); rex(0, 0, _NOREG, _NOREG, r0); ic(0x0f); ic(0xc8 | r7(r0)); } #if __X64 && !__X64_32 static void _bswapr_ul(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { movr(r0, r1); rex(0, 1, _NOREG, _NOREG, r0); ic(0x0f); ic(0xc8 | r7(r0)); } #endif static void _extr_c(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { jit_int32_t reg; if (reg8_p(r1)) movcr(r0, r1); else { reg = jit_get_reg(jit_class_gpr|jit_class_rg8); movr(rn(reg), r1); movcr(r0, rn(reg)); jit_unget_reg(reg); } } static void _extr_uc(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { jit_int32_t reg; if (reg8_p(r1)) movcr_u(r0, r1); else { reg = jit_get_reg(jit_class_gpr|jit_class_rg8); movr(rn(reg), r1); movcr_u(r0, rn(reg)); jit_unget_reg(reg); } } static void _ldr_c(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xbe); rx(r0, 0, r1, _NOREG, _SCL1); } static void _ldi_c(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { jit_int32_t reg; #if CAN_RIP_ADDRESS jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x0f); ic(0xbe); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else #endif if (address_p(i0)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x0f); ic(0xbe); rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldr_c(r0, rn(reg)); jit_unget_reg(reg); } } static void _ldr_uc(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xb6); rx(r0, 0, r1, _NOREG, _SCL1); } static void _ldi_uc(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { jit_int32_t reg; #if CAN_RIP_ADDRESS jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x0f); ic(0xb6); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else #endif if (address_p(i0)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x0f); ic(0xb6); rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldr_uc(r0, rn(reg)); jit_unget_reg(reg); } } static void _ldr_s(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xbf); rx(r0, 0, r1, _NOREG, _SCL1); } static void _ldi_s(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { jit_int32_t reg; #if CAN_RIP_ADDRESS jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x0f); ic(0xbf); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else #endif if (address_p(i0)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x0f); ic(0xbf); rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldr_s(r0, rn(reg)); jit_unget_reg(reg); } } static void _ldr_us(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xb7); rx(r0, 0, r1, _NOREG, _SCL1); } static void _ldi_us(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { jit_int32_t reg; #if CAN_RIP_ADDRESS jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x0f); ic(0xb7); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else #endif if (address_p(i0)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x0f); ic(0xb7); rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldr_us(r0, rn(reg)); jit_unget_reg(reg); } } #if __X32 || !__X64_32 static void _ldr_i(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { #if __X64 rex(0, WIDE, r0, _NOREG, r1); ic(0x63); #else ic(0x8b); #endif rx(r0, 0, r1, _NOREG, _SCL1); } static void _ldi_i(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { jit_int32_t reg; #if CAN_RIP_ADDRESS jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x63); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else #endif if (address_p(i0)) { #if __X64 rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x63); #else ic(0x8b); #endif rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldr_i(r0, rn(reg)); jit_unget_reg(reg); } } #endif #if __X64 static void _ldr_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, 0, r0, _NOREG, r1); ic(0x63); rx(r0, 0, r1, _NOREG, _SCL1); } static void _ldi_ui(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { jit_int32_t reg; # if !__X64_32 jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { rex(0, 0, r0, _NOREG, _NOREG); ic(0x63); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else #endif if (address_p(i0)) { rex(0, 0, r0, _NOREG, _NOREG); ic(0x63); rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); # if __X64_32 ldr_i(r0, rn(reg)); # else ldr_ui(r0, rn(reg)); # endif jit_unget_reg(reg); } } # if !__X64_32 static void _ldr_l(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, 1, r0, _NOREG, r1); ic(0x8b); rx(r0, 0, r1, _NOREG, _SCL1); } static void _ldi_l(jit_state_t *_jit, jit_int32_t r0, jit_word_t i0) { jit_int32_t reg; jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x8b); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else if (can_sign_extend_int_p(i0)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x8b); rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldr_l(r0, rn(reg)); jit_unget_reg(reg); } } # endif #endif static void _ldxr_c(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { #if __X64_32 addr(r0, r1, r2); ldr_c(r0, r0); #else rex(0, WIDE, r0, r1, r2); ic(0x0f); ic(0xbe); rx(r0, 0, r2, r1, _SCL1); #endif } static void _ldxi_c(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xbe); rx(r0, i0, r1, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldxr_c(r0, r1, rn(reg)); jit_unget_reg(reg); } } static void _ldxr_uc(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { #if __X64_32 addr(r0, r1, r2); ldr_uc(r0, r0); #else rex(0, WIDE, r0, r1, r2); ic(0x0f); ic(0xb6); rx(r0, 0, r2, r1, _SCL1); #endif } static void _ldxi_uc(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xb6); rx(r0, i0, r1, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldxr_uc(r0, r1, rn(reg)); jit_unget_reg(reg); } } static void _ldxr_s(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { #if __X64_32 addr(r0, r1, r2); ldr_s(r0, r0); #else rex(0, WIDE, r0, r1, r2); ic(0x0f); ic(0xbf); rx(r0, 0, r2, r1, _SCL1); #endif } static void _ldxi_s(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xbf); rx(r0, i0, r1, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldxr_s(r0, r1, rn(reg)); jit_unget_reg(reg); } } static void _ldxr_us(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { #if __X64_32 addr(r0, r1, r2); ldr_us(r0, r0); #else rex(0, WIDE, r0, r1, r2); ic(0x0f); ic(0xb7); rx(r0, 0, r2, r1, _SCL1); #endif } static void _ldxi_us(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { rex(0, WIDE, r0, _NOREG, r1); ic(0x0f); ic(0xb7); rx(r0, i0, r1, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldxr_us(r0, r1, rn(reg)); jit_unget_reg(reg); } } #if __X64 || !__X64_32 static void _ldxr_i(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { #if __X64 rex(0, WIDE, r0, r1, r2); ic(0x63); #else ic(0x8b); #endif rx(r0, 0, r2, r1, _SCL1); } static void _ldxi_i(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { #if __X64 rex(0, WIDE, r0, _NOREG, r1); ic(0x63); #else ic(0x8b); #endif rx(r0, i0, r1, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldxr_i(r0, r1, rn(reg)); jit_unget_reg(reg); } } #endif #if __X64 static void _ldxr_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { #if __X64_32 addr(r0, r1, r2); /* to avoid confusion with macro renames */ _ldr_ui(_jit, r0, r0); #else rex(0, 0, r0, r1, r2); ic(0x8b); rx(r0, 0, r2, r1, _SCL1); #endif } static void _ldxi_ui(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { rex(0, 0, r0, _NOREG, r1); ic(0x8b); rx(r0, i0, r1, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); # if __X64_32 ldxr_i(r0, r1, rn(reg)); # else ldxr_ui(r0, r1, rn(reg)); # endif jit_unget_reg(reg); } } # if !__X64_32 static void _ldxr_l(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { rex(0, 1, r0, r1, r2); ic(0x8b); rx(r0, 0, r2, r1, _SCL1); } static void _ldxi_l(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { rex(0, 1, r0, _NOREG, r1); ic(0x8b); rx(r0, i0, r1, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); ldxr_l(r0, r1, rn(reg)); jit_unget_reg(reg); } } # endif #endif static void _str_c(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { jit_int32_t reg; if (reg8_p(r1)) { rex(0, 0, r1, _NOREG, r0); ic(0x88); rx(r1, 0, r0, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr|jit_class_rg8); movr(rn(reg), r1); rex(0, 0, rn(reg), _NOREG, r0); ic(0x88); rx(rn(reg), 0, r0, _NOREG, _SCL1); jit_unget_reg(reg); } } static void _sti_c(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0) { jit_int32_t reg; #if CAN_RIP_ADDRESS jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 16 : rel + 16; if (can_sign_extend_int_p(rel)) { if (reg8_p(r0)) { rex(0, 0, r0, _NOREG, _NOREG); ic(0x88); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else { reg = jit_get_reg(jit_class_gpr|jit_class_rg8); movr(rn(reg), r0); rex(0, 0, rn(reg), _NOREG, _NOREG); ic(0x88); rx(rn(reg), i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); jit_unget_reg(reg); } } else #endif if (address_p(i0)) { if (reg8_p(r0)) { rex(0, 0, r0, _NOREG, _NOREG); ic(0x88); rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr|jit_class_rg8); movr(rn(reg), r0); rex(0, 0, rn(reg), _NOREG, _NOREG); ic(0x88); rx(rn(reg), i0, _NOREG, _NOREG, _SCL1); jit_unget_reg(reg); } } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); str_c(rn(reg), r0); jit_unget_reg(reg); } } static void _str_s(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { ic(0x66); rex(0, 0, r1, _NOREG, r0); ic(0x89); rx(r1, 0, r0, _NOREG, _SCL1); } static void _sti_s(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0) { jit_int32_t reg; #if CAN_RIP_ADDRESS jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { ic(0x66); rex(0, 0, r0, _NOREG, _NOREG); ic(0x89); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else #endif if (address_p(i0)) { ic(0x66); rex(0, 0, r0, _NOREG, _NOREG); ic(0x89); rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); str_s(rn(reg), r0); jit_unget_reg(reg); } } static void _str_i(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, 0, r1, _NOREG, r0); ic(0x89); rx(r1, 0, r0, _NOREG, _SCL1); } static void _sti_i(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0) { jit_int32_t reg; #if CAN_RIP_ADDRESS jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { rex(0, 0, r0, _NOREG, _NOREG); ic(0x89); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else #endif if (address_p(i0)) { rex(0, 0, r0, _NOREG, _NOREG); ic(0x89); rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); str_i(rn(reg), r0); jit_unget_reg(reg); } } #if __X64 && !__X64_32 static void _str_l(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { rex(0, 1, r1, _NOREG, r0); ic(0x89); rx(r1, 0, r0, _NOREG, _SCL1); } static void _sti_l(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0) { jit_int32_t reg; #if CAN_RIP_ADDRESS jit_word_t rel = i0 - _jit->pc.w; rel = rel < 0 ? rel - 8 : rel + 8; if (can_sign_extend_int_p(rel)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x89); rx(r0, i0 - (_jit->pc.w + 5), _NOREG, _NOREG, _SCL8); } else #endif if (can_sign_extend_int_p(i0)) { rex(0, WIDE, r0, _NOREG, _NOREG); ic(0x89); rx(r0, i0, _NOREG, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); str_l(rn(reg), r0); jit_unget_reg(reg); } } #endif static void _stxr_c(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { jit_int32_t reg; #if __X64_32 reg = jit_get_reg(jit_class_gpr); addr(rn(reg), r0, r1); str_c(rn(reg), r2); jit_unget_reg(reg); #else if (reg8_p(r2)) { rex(0, 0, r2, r1, r0); ic(0x88); rx(r2, 0, r0, r1, _SCL1); } else { reg = jit_get_reg(jit_class_gpr|jit_class_rg8); movr(rn(reg), r2); rex(0, 0, rn(reg), r1, r0); ic(0x88); rx(rn(reg), 0, r0, r1, _SCL1); jit_unget_reg(reg); } #endif } static void _stxi_c(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { if (reg8_p(r1)) { rex(0, 0, r1, _NOREG, r0); ic(0x88); rx(r1, i0, r0, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr|jit_class_rg8); movr(rn(reg), r1); rex(0, 0, rn(reg), _NOREG, r0); ic(0x88); rx(rn(reg), i0, r0, _NOREG, _SCL1); jit_unget_reg(reg); } } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); stxr_c(rn(reg), r0, r1); jit_unget_reg(reg); } } static void _stxr_s(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { #if __X64_32 jit_int32_t reg; reg = jit_get_reg(jit_class_gpr); addr(rn(reg), r0, r1); str_s(rn(reg), r2); jit_unget_reg(reg); #else ic(0x66); rex(0, 0, r2, r1, r0); ic(0x89); rx(r2, 0, r0, r1, _SCL1); #endif } static void _stxi_s(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { ic(0x66); rex(0, 0, r1, _NOREG, r0); ic(0x89); rx(r1, i0, r0, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); stxr_s(rn(reg), r0, r1); jit_unget_reg(reg); } } static void _stxr_i(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { #if __X64_32 jit_int32_t reg; reg = jit_get_reg(jit_class_gpr); addr(rn(reg), r0, r1); str_i(rn(reg), r2); jit_unget_reg(reg); #else rex(0, 0, r2, r1, r0); ic(0x89); rx(r2, 0, r0, r1, _SCL1); #endif } static void _stxi_i(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { rex(0, 0, r1, _NOREG, r0); ic(0x89); rx(r1, i0, r0, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); stxr_i(rn(reg), r0, r1); jit_unget_reg(reg); } } #if __X64 && !__X64_32 static void _stxr_l(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_int32_t r2) { rex(0, 1, r2, r1, r0); ic(0x89); rx(r2, 0, r0, r1, _SCL1); } static void _stxi_l(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { jit_int32_t reg; if (can_sign_extend_int_p(i0)) { rex(0, 1, r1, _NOREG, r0); ic(0x89); rx(r1, i0, r0, _NOREG, _SCL1); } else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); stxr_l(rn(reg), r0, r1); jit_unget_reg(reg); } } #endif static jit_word_t _jccs(jit_state_t *_jit, jit_int32_t code, jit_word_t i0) { jit_word_t d; jit_word_t w; w = _jit->pc.w; d = i0 - (w + 2); ic(0x70 | code); ic(d); return (w); } static jit_word_t _jcc(jit_state_t *_jit, jit_int32_t code, jit_word_t i0) { jit_word_t d; jit_word_t w; w = _jit->pc.w; ic(0x0f); d = i0 - (w + 6); ic(0x80 | code); ii(d); return (w); } static jit_word_t _jcr(jit_state_t *_jit, jit_int32_t code, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { alur(X86_CMP, r0, r1); return (jcc(code, i0)); } static jit_word_t _jci(jit_state_t *_jit, jit_int32_t code, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { alui(X86_CMP, r0, i1); return (jcc(code, i0)); } static jit_word_t _jci0(jit_state_t *_jit, jit_int32_t code, jit_word_t i0, jit_int32_t r0) { testr(r0, r0); return (jcc(code, i0)); } static jit_word_t _bltr(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { return (jcr(X86_CC_L, i0, r0, r1)); } static jit_word_t _blti(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_word_t w; if (i1) w = jci (X86_CC_L, i0, r0, i1); else w = jci0(X86_CC_S, i0, r0); return (w); } static jit_word_t _bltr_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { return (jcr(X86_CC_B, i0, r0, r1)); } static jit_word_t _blti_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_word_t w; if (i1) w = jci (X86_CC_B, i0, r0, i1); else w = jci0(X86_CC_B, i0, r0); return (w); } static jit_word_t _bler(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { jit_word_t w; if (r0 == r1) w = jmpi(i0); else w = jcr (X86_CC_LE, i0, r0, r1); return (w); } static jit_word_t _blei(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_word_t w; if (i1) w = jci (X86_CC_LE, i0, r0, i1); else w = jci0(X86_CC_LE, i0, r0); return (w); } static jit_word_t _bler_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { jit_word_t w; if (r0 == r1) w = jmpi(i0); else w = jcr (X86_CC_BE, i0, r0, r1); return (w); } static jit_word_t _blei_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_word_t w; if (i1) w = jci (X86_CC_BE, i0, r0, i1); else w = jci0(X86_CC_BE, i0, r0); return (w); } static jit_word_t _beqr(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { jit_word_t w; if (r0 == r1) w = jmpi(i0); else w = jcr (X86_CC_E, i0, r0, r1); return (w); } static jit_word_t _beqi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_word_t w; if (i1) w = jci (X86_CC_E, i0, r0, i1); else w = jci0(X86_CC_E, i0, r0); return (w); } static jit_word_t _bger(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { jit_word_t w; if (r0 == r1) w = jmpi(i0); else w = jcr (X86_CC_GE, i0, r0, r1); return (w); } static jit_word_t _bgei(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_word_t w; if (i1) w = jci (X86_CC_GE, i0, r0, i1); else w = jci0(X86_CC_NS, i0, r0); return (w); } static jit_word_t _bger_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { jit_word_t w; if (r0 == r1) w = jmpi(i0); else w = jcr (X86_CC_AE, i0, r0, r1); return (w); } static jit_word_t _bgei_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_word_t w; if (i1) w = jci (X86_CC_AE, i0, r0, i1); else w = jmpi(i0); return (w); } static jit_word_t _bgtr(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { return (jcr(X86_CC_G, i0, r0, r1)); } static jit_word_t _bgti(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { return (jci(X86_CC_G, i0, r0, i1)); } static jit_word_t _bgtr_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { return (jcr(X86_CC_A, i0, r0, r1)); } static jit_word_t _bgti_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_word_t w; if (i1) w = jci (X86_CC_A, i0, r0, i1); else w = jci0(X86_CC_NE, i0, r0); return (w); } static jit_word_t _bner(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { return (jcr(X86_CC_NE, i0, r0, r1)); } static jit_word_t _bnei(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_word_t w; if (i1) w = jci (X86_CC_NE, i0, r0, i1); else w = jci0(X86_CC_NE, i0, r0); return (w); } static jit_word_t _bmsr(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { testr(r0, r1); return (jnz(i0)); } static jit_word_t _bmsi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_int32_t reg; if (can_zero_extend_int_p(i1)) testi(r0, i1); else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i1); testr(r0, rn(reg)); jit_unget_reg(reg); } return (jnz(i0)); } static jit_word_t _bmcr(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { testr(r0, r1); return (jz(i0)); } static jit_word_t _bmci(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_int32_t reg; if (can_zero_extend_int_p(i1)) testi(r0, i1); else { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i1); testr(r0, rn(reg)); jit_unget_reg(reg); } return (jz(i0)); } static jit_word_t _boaddr(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { iaddr(r0, r1); return (jo(i0)); } static jit_word_t _boaddi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_int32_t reg; if (can_sign_extend_int_p(i1)) { iaddi(r0, i1); return (jo(i0)); } reg = jit_get_reg(jit_class_gpr|jit_class_nospill); movi(rn(reg), i1); jit_unget_reg(reg); return (boaddr(i0, r0, rn(reg))); } static jit_word_t _boaddr_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { iaddr(r0, r1); return (jc(i0)); } static jit_word_t _boaddi_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_int32_t reg; if (can_sign_extend_int_p(i1)) { iaddi(r0, i1); return (jc(i0)); } reg = jit_get_reg(jit_class_gpr|jit_class_nospill); movi(rn(reg), i1); jit_unget_reg(reg); return (boaddr_u(i0, r0, rn(reg))); } static jit_word_t _bxaddr(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { iaddr(r0, r1); return (jno(i0)); } static jit_word_t _bxaddi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_int32_t reg; if (can_sign_extend_int_p(i1)) { iaddi(r0, i1); return (jno(i0)); } reg = jit_get_reg(jit_class_gpr|jit_class_nospill); movi(rn(reg), i1); jit_unget_reg(reg); return (bxaddr(i0, r0, rn(reg))); } static jit_word_t _bxaddr_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { iaddr(r0, r1); return (jnc(i0)); } static jit_word_t _bxaddi_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_int32_t reg; if (can_sign_extend_int_p(i1)) { iaddi(r0, i1); return (jnc(i0)); } reg = jit_get_reg(jit_class_gpr|jit_class_nospill); movi(rn(reg), i1); jit_unget_reg(reg); return (bxaddr_u(i0, r0, rn(reg))); } static jit_word_t _bosubr(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { isubr(r0, r1); return (jo(i0)); } static jit_word_t _bosubi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_int32_t reg; if (can_sign_extend_int_p(i1)) { isubi(r0, i1); return (jo(i0)); } reg = jit_get_reg(jit_class_gpr|jit_class_nospill); movi(rn(reg), i1); jit_unget_reg(reg); return (bosubr(i0, r0, rn(reg))); } static jit_word_t _bosubr_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { isubr(r0, r1); return (jc(i0)); } static jit_word_t _bosubi_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_int32_t reg; if (can_sign_extend_int_p(i1)) { isubi(r0, i1); return (jc(i0)); } reg = jit_get_reg(jit_class_gpr|jit_class_nospill); movi(rn(reg), i1); jit_unget_reg(reg); return (bosubr_u(i0, r0, rn(reg))); } static jit_word_t _bxsubr(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { isubr(r0, r1); return (jno(i0)); } static jit_word_t _bxsubi(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_int32_t reg; if (can_sign_extend_int_p(i1)) { isubi(r0, i1); return (jno(i0)); } reg = jit_get_reg(jit_class_gpr|jit_class_nospill); movi(rn(reg), i1); jit_unget_reg(reg); return (bxsubr(i0, r0, rn(reg))); } static jit_word_t _bxsubr_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_int32_t r1) { isubr(r0, r1); return (jnc(i0)); } static jit_word_t _bxsubi_u(jit_state_t *_jit, jit_word_t i0, jit_int32_t r0, jit_word_t i1) { jit_int32_t reg; if (can_sign_extend_int_p(i1)) { isubi(r0, i1); return (jnc(i0)); } reg = jit_get_reg(jit_class_gpr|jit_class_nospill); movi(rn(reg), i1); jit_unget_reg(reg); return (bxsubr_u(i0, r0, rn(reg))); } static void _callr(jit_state_t *_jit, jit_int32_t r0) { rex(0, 0, _NOREG, _NOREG, r0); ic(0xff); mrm(0x03, 0x02, r7(r0)); } static jit_word_t _calli(jit_state_t *_jit, jit_word_t i0) { jit_word_t w; jit_word_t d; jit_word_t l = _jit->pc.w + 5; d = i0 - l; #if __X64 if ( # if __X64_32 !((d < 0) ^ (l < 0)) && # endif (jit_int32_t)d == d) { #endif w = _jit->pc.w; ic(0xe8); ii(d); #if __X64 } else w = calli_p(i0); #endif return (w); } #if __X64 static jit_word_t _calli_p(jit_state_t *_jit, jit_word_t i0) { jit_word_t w; jit_int32_t reg; reg = jit_get_reg(jit_class_gpr); w = movi_p(rn(reg), i0); callr(rn(reg)); jit_unget_reg(reg); return (w); } #endif static void _jmpr(jit_state_t *_jit, jit_int32_t r0) { rex(0, 0, _NOREG, _NOREG, r0); ic(0xff); mrm(0x03, 0x04, r7(r0)); } static jit_word_t _jmpi(jit_state_t *_jit, jit_word_t i0) { jit_word_t w; jit_word_t d; jit_word_t l = _jit->pc.w + 5; d = i0 - l; #if __X64 if ( # if __X64_32 !((d < 0) ^ (l < 0)) && # endif (jit_int32_t)d == d) { #endif w = _jit->pc.w; ic(0xe9); ii(d); #if __X64 } else w = jmpi_p(i0); #endif return (w); } #if __X64 static jit_word_t _jmpi_p(jit_state_t *_jit, jit_word_t i0) { jit_word_t w; jit_int32_t reg; reg = jit_get_reg(jit_class_gpr|jit_class_nospill); w = movi_p(rn(reg), i0); jmpr(rn(reg)); jit_unget_reg(reg); return (w); } #endif static jit_word_t _jmpsi(jit_state_t *_jit, jit_uint8_t i0) { jit_word_t w = _jit->pc.w; ic(0xeb); ic(i0); return (w); } #undef clear #undef allocr #undef savset static void _prolog(jit_state_t *_jit, jit_node_t *node) { jit_int32_t reg, offs; if (_jitc->function->define_frame || _jitc->function->assume_frame) { jit_int32_t frame = -_jitc->function->frame; jit_check_frame(); assert(_jitc->function->self.aoff>= frame); if (_jitc->function->assume_frame) return; _jitc->function->self.aoff = frame; } if (_jitc->function->allocar) _jitc->function->self.aoff &= -16; #if __X64 && (__CYGWIN__ || _WIN32) _jitc->function->stack = (((/* first 32 bytes must be allocated */ (_jitc->function->self.alen> 32 ? _jitc->function->self.alen : 32) - /* align stack at 16 bytes */ _jitc->function->self.aoff) + 15) & -16); #else _jitc->function->stack = (((_jitc->function->self.alen - _jitc->function->self.aoff) + 15) & -16); #endif if (_jitc->function->stack) _jitc->function->need_stack = 1; if (!_jitc->function->need_frame && !_jitc->function->need_stack) { /* check if any callee save register needs to be saved */ for (reg = 0; reg < _jitc->reglen; ++reg) if (jit_regset_tstbit(&_jitc->function->regset, reg) && (_rvs[reg].spec & jit_class_sav)) { _jitc->function->need_stack = 1; break; } } if (_jitc->function->need_frame || _jitc->function->need_stack) subi(_RSP_REGNO, _RSP_REGNO, jit_framesize()); /* callee save registers */ for (reg = 0, offs = REAL_WORDSIZE; reg < jit_size(iregs); reg++) { if (jit_regset_tstbit(&_jitc->function->regset, iregs[reg])) { stxi(offs, _RSP_REGNO, rn(iregs[reg])); offs += REAL_WORDSIZE; } } #if __X64 && (__CYGWIN__ || _WIN32) for (reg = 0; reg < jit_size(fregs); reg++) { if (jit_regset_tstbit(&_jitc->function->regset, fregs[reg])) { sse_stxi_d(offs, _RSP_REGNO, rn(fregs[reg])); offs += sizeof(jit_float64_t); } } #endif if (_jitc->function->need_frame) { stxi(0, _RSP_REGNO, _RBP_REGNO); movr(_RBP_REGNO, _RSP_REGNO); } /* alloca */ if (_jitc->function->stack) subi(_RSP_REGNO, _RSP_REGNO, _jitc->function->stack); if (_jitc->function->allocar) { reg = jit_get_reg(jit_class_gpr); movi(rn(reg), _jitc->function->self.aoff); stxi_i(_jitc->function->aoffoff, _RBP_REGNO, rn(reg)); jit_unget_reg(reg); } #if __X64 && !(__CYGWIN__ || _WIN32) if (_jitc->function->self.call & jit_call_varargs) { jit_word_t nofp_code; /* Save gp registers in the save area, if any is a vararg */ for (reg = first_gp_from_offset(_jitc->function->vagp); jit_arg_reg_p(reg); ++reg) stxi(_jitc->function->vaoff + first_gp_offset + reg * 8, _RBP_REGNO, rn(JIT_RA0 - reg)); reg = first_fp_from_offset(_jitc->function->vafp); if (jit_arg_f_reg_p(reg)) { /* Skip over if no float registers were passed as argument */ /* test %al, %al */ ic(0x84); ic(0xc0); nofp_code = jes(0); /* Save fp registers in the save area, if any is a vararg */ /* Note that the full 16 byte xmm is not saved, because * lightning only handles float and double, and, while * attempting to provide a va_list compatible pointer as * jit_va_start return, does not guarantee it (on all ports). */ for (; jit_arg_f_reg_p(reg); ++reg) sse_stxi_d(_jitc->function->vaoff + first_fp_offset + reg * va_fp_increment, _RBP_REGNO, rn(_XMM0 - reg)); patch_at(nofp_code, _jit->pc.w); } } #endif } static void _epilog(jit_state_t *_jit, jit_node_t *node) { jit_int32_t reg, offs; if (_jitc->function->assume_frame) return; if (_jitc->function->need_frame) movr(_RSP_REGNO, _RBP_REGNO); /* callee save registers */ for (reg = 0, offs = REAL_WORDSIZE; reg < jit_size(iregs); reg++) { if (jit_regset_tstbit(&_jitc->function->regset, iregs[reg])) { ldxi(rn(iregs[reg]), _RSP_REGNO, offs); offs += REAL_WORDSIZE; } } #if __X64 && (__CYGWIN__ || _WIN32) for (reg = 0; reg < jit_size(fregs); reg++) { if (jit_regset_tstbit(&_jitc->function->regset, fregs[reg])) { sse_ldxi_d(rn(fregs[reg]), _RSP_REGNO, offs); offs += sizeof(jit_float64_t); } } #endif if (_jitc->function->need_frame) { ldxi(_RBP_REGNO, _RSP_REGNO, 0); addi(_RSP_REGNO, _RSP_REGNO, jit_framesize()); } /* This condition does not happen as much as expected because * it is not safe to not create a frame pointer if any function * is called, even jit functions, as those might call external * functions. */ else if (_jitc->function->need_stack) addi(_RSP_REGNO, _RSP_REGNO, jit_framesize()); ic(0xc3); } static void _vastart(jit_state_t *_jit, jit_int32_t r0) { #if __X32 || __CYGWIN__ || _WIN32 assert(_jitc->function->self.call & jit_call_varargs); addi(r0, _RBP_REGNO, jit_selfsize()); #else jit_int32_t reg; assert(_jitc->function->self.call & jit_call_varargs); /* Return jit_va_list_t in the register argument */ addi(r0, _RBP_REGNO, _jitc->function->vaoff); reg = jit_get_reg(jit_class_gpr); /* Initialize gp offset in the save area. */ movi(rn(reg), _jitc->function->vagp); stxi_i(offsetof(jit_va_list_t, gpoff), r0, rn(reg)); /* Initialize fp offset in the save area. */ movi(rn(reg), _jitc->function->vafp); stxi_i(offsetof(jit_va_list_t, fpoff), r0, rn(reg)); /* Initialize overflow pointer to the first stack argument. */ addi(rn(reg), _RBP_REGNO, jit_selfsize()); stxi(offsetof(jit_va_list_t, over), r0, rn(reg)); /* Initialize register save area pointer. */ addi(rn(reg), r0, first_gp_offset); stxi(offsetof(jit_va_list_t, save), r0, rn(reg)); jit_unget_reg(reg); #endif } static void _vaarg(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { #if __X32 || __CYGWIN__ || _WIN32 assert(_jitc->function->self.call & jit_call_varargs); ldr(r0, r1); addi(r1, r1, va_gp_increment); #else jit_int32_t rg0; jit_int32_t rg1; jit_word_t ge_code; jit_word_t lt_code; assert(_jitc->function->self.call & jit_call_varargs); rg0 = jit_get_reg(jit_class_gpr); rg1 = jit_get_reg(jit_class_gpr); /* Load the gp offset in save area in the first temporary. */ ldxi_i(rn(rg0), r1, offsetof(jit_va_list_t, gpoff)); /* Jump over if there are no remaining arguments in the save area. */ icmpi(rn(rg0), va_gp_max_offset); ge_code = jaes(0); /* Load the save area pointer in the second temporary. */ ldxi(rn(rg1), r1, offsetof(jit_va_list_t, save)); /* Load the vararg argument in the first argument. */ ldxr(r0, rn(rg1), rn(rg0)); /* Update the gp offset. */ addi(rn(rg0), rn(rg0), 8); stxi_i(offsetof(jit_va_list_t, gpoff), r1, rn(rg0)); /* Will only need one temporary register below. */ jit_unget_reg(rg1); /* Jump over overflow code. */ lt_code = jmpsi(0); /* Where to land if argument is in overflow area. */ patch_at(ge_code, _jit->pc.w); /* Load overflow pointer. */ ldxi(rn(rg0), r1, offsetof(jit_va_list_t, over)); /* Load argument. */ ldr(r0, rn(rg0)); /* Update overflow pointer. */ addi(rn(rg0), rn(rg0), va_gp_increment); stxi(offsetof(jit_va_list_t, over), r1, rn(rg0)); /* Where to land if argument is in save area. */ patch_at(lt_code, _jit->pc.w); jit_unget_reg(rg0); #endif } /* The x87 boolean argument tells if will put the result in a x87 * register if non false, in a sse register otherwise. */ static void _vaarg_d(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_bool_t x87) { #if __X32 || __CYGWIN__ || _WIN32 assert(_jitc->function->self.call & jit_call_varargs); if (x87) x87_ldr_d(r0, r1); else sse_ldr_d(r0, r1); addi(r1, r1, 8); #else jit_int32_t rg0; jit_int32_t rg1; jit_word_t ge_code; jit_word_t lt_code; assert(_jitc->function->self.call & jit_call_varargs); rg0 = jit_get_reg(jit_class_gpr); rg1 = jit_get_reg(jit_class_gpr); /* Load the fp offset in save area in the first temporary. */ ldxi_i(rn(rg0), r1, offsetof(jit_va_list_t, fpoff)); /* Jump over if there are no remaining arguments in the save area. */ icmpi(rn(rg0), va_fp_max_offset); ge_code = jaes(0); /* Load the save area pointer in the second temporary. */ ldxi(rn(rg1), r1, offsetof(jit_va_list_t, save)); /* Load the vararg argument in the first argument. */ if (x87) x87_ldxr_d(r0, rn(rg1), rn(rg0)); else sse_ldxr_d(r0, rn(rg1), rn(rg0)); /* Update the fp offset. */ addi(rn(rg0), rn(rg0), va_fp_increment); stxi_i(offsetof(jit_va_list_t, fpoff), r1, rn(rg0)); /* Will only need one temporary register below. */ jit_unget_reg(rg1); /* Jump over overflow code. */ lt_code = jmpsi(0); /* Where to land if argument is in overflow area. */ patch_at(ge_code, _jit->pc.w); /* Load overflow pointer. */ ldxi(rn(rg0), r1, offsetof(jit_va_list_t, over)); /* Load argument. */ if (x87) x87_ldr_d(r0, rn(rg0)); else sse_ldr_d(r0, rn(rg0)); /* Update overflow pointer. */ addi(rn(rg0), rn(rg0), 8); stxi(offsetof(jit_va_list_t, over), r1, rn(rg0)); /* Where to land if argument is in save area. */ patch_at(lt_code, _jit->pc.w); jit_unget_reg(rg0); #endif } static void _patch_at(jit_state_t *_jit, jit_word_t instr, jit_word_t label) { jit_word_t disp; jit_uint8_t *code = (jit_uint8_t *)instr; ++instr; switch (code[0]) { /* movi_p */ case 0xb8 ... 0xbf: *(jit_word_t *)instr = label; break; /* forward pc relative address known to be in range */ #if CAN_RIP_ADDRESS /* movi */ case 0x8d: ++instr; goto apply; #endif /* jcc */ case 0x0f: ++instr; if (code[1] < 0x80 || code[1]> 0x8f) goto fail; /* calli */ case 0xe8: /* jmpi */ case 0xe9: #if CAN_RIP_ADDRESS apply: #endif disp = label - (instr + 4); assert((jit_int32_t)disp == disp); *(jit_int32_t *)instr = disp; break; /* jccs */ case 0x70 ... 0x7f: /* jmpsi */ case 0xeb: disp = label - (instr + 1); assert((jit_int8_t)disp == disp); *(jit_int8_t *)instr = disp; break; default: fail: abort(); } } #endif

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