| author | pcpa <paulo.cesar.pereira.de.andrade@gmail.com> | 2023年02月25日 13:22:58 -0300 |
|---|---|---|
| committer | pcpa <paulo.cesar.pereira.de.andrade@gmail.com> | 2023年02月25日 13:22:58 -0300 |
| commit | 346d3458456e775eedf64af3aa6c6d9816b8f8fd (patch) | |
| tree | eb8b39189f8bedd5f2c7e453b3c7cd272e5ed718 /lib/jit_mips-cpu.c | |
| parent | 17a3dbde6f61dc2c6ab559443269c10d959a1b03 (diff) | |
| download | lightning-346d3458456e775eedf64af3aa6c6d9816b8f8fd.tar.gz | |
| -rw-r--r-- | lib/jit_mips-cpu.c | 57 |
diff --git a/lib/jit_mips-cpu.c b/lib/jit_mips-cpu.c index 57985c8..1af6406 100644 --- a/lib/jit_mips-cpu.c +++ b/lib/jit_mips-cpu.c @@ -166,6 +166,7 @@ typedef union { # define MIPS_LDR 0x1b # define MIPS_SPECIAL2 0x1c # define MIPS_JALX 0x1d +# define MIPS_DAUI 0x1d # define MIPS_SPECIAL3 0x1f # define MIPS_LB 0x20 # define MIPS_LH 0x21 @@ -356,6 +357,7 @@ static void _nop(jit_state_t*,jit_int32_t); # define ALUIPC(rs,im) hrri(MIPS_PCREL,rs,31,im) # define ADDIUPC(rs,im) hriW(MIPS_PCREL,rs,0,im) # define LUI(rt,im) h_ri(MIPS_LUI,rt,im) +# define AUI(rs,rt) hrri(MIPS_LUI,rs,rt,im) /* mips r6 */ # define ADDU(rd,rs,rt) rrr_t(rs,rt,rd,MIPS_ADDU) # define DADDU(rd,rs,rt) rrr_t(rs,rt,rd,MIPS_DADDU) # define ADDIU(rt,rs,im) hrri(MIPS_ADDIU,rs,rt,im) @@ -453,6 +455,9 @@ static void _nop(jit_state_t*,jit_int32_t); # define SLTU(rd,rs,rt) rrr_t(rs,rt,rd,MIPS_SLTU) # define SLTI(rt,rs,im) hrri(MIPS_SLTI,rs,rt,im) # define SLTIU(rt,rs,im) hrri(MIPS_SLTIU,rs,rt,im) +# define DAUI(rt,rs,im) hrri(MIPS_DAUI,rs,rt,im) +# define DAHI(rs,im) hrri(MIPS_REGIMM,rs,6,im) +# define DATI(rs,im) hrri(MIPS_REGIMM,rs,30,im) # define BLTZ(rs,im) hrri(MIPS_REGIMM,rs,MIPS_BLTZ,im) # define BLEZ(rs,im) hrri(MIPS_BLEZ,rs,_ZERO_REGNO,im) # define BEQ(rs,rt,im) hrri(MIPS_BEQ,rs,rt,im) @@ -1072,6 +1077,11 @@ _jit_get_reg_for_delay_slot(jit_state_t *_jit, jit_int32_t mask, break; case MIPS_REGIMM: /* 01 */ switch (i.rt.b) { + /* DAHI */ + case 6: /* 06 */ + /* DATI */ + case 15: /* 1e */ + assert(jit_mips6_p()); case MIPS_BLTZ: /* 00 */ case MIPS_BGEZ: /* 01 */ case MIPS_BGEZAL: /* 11 */ @@ -1093,10 +1103,11 @@ _jit_get_reg_for_delay_slot(jit_state_t *_jit, jit_int32_t mask, regs[0] = regs[1] = regs[2] = 0; break; case MIPS_LUI: /* 0f */ - assert(i.rs.b == 0); + assert(jit_mips6_p() || i.rs.b == 0); if (mask & jit_class_gpr) { regs[0] = i.rt.b; - regs[1] = regs[1] = 0; + regs[1] = i.rs.b; /* AUI if non zero */ + regs[1] = 0; } break; case MIPS_SPECIAL2: /* 1c */ @@ -1348,6 +1359,9 @@ _jit_get_reg_for_delay_slot(jit_state_t *_jit, jit_int32_t mask, break; } break; + case MIPS_DAUI: /* JALX */ /* 1d */ + /* Do not generate JALX. No microMIPS64 or MIPS16e support */ + assert(jit_mips6_p() && i.rs.b != 0); case MIPS_ADDIU: /* 09 */ case MIPS_SLTI: /* 0a */ case MIPS_SLTIU: /* 0b */ @@ -1710,11 +1724,50 @@ _addi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0) else if (can_sign_extend_short_p(i0)) addiu(r0, r1, i0); else { + if (jit_mips6_p()) { + union { + struct { +# if __BYTE_ORDER == __LITTLE_ENDIAN + jit_word_t _ : 16; + jit_word_t aui : 16; +# if __WORDSIZE == 64 + jit_word_t ahi : 16; + jit_word_t ati : 16; +# endif +# else +# if __WORDSIZE == 64 + jit_word_t ati : 16; + jit_word_t ahi : 16; +# endif + jit_word_t aui : 16; + jit_word_t _ : 16; +# endif + } b; + jit_word_t w; + } bits; + bits.w = i0; + if (r0 == r1 && ((jit_word_t)bits.b.aui << 16) == i0) + /* FIXME It should not be required r0 == r1 per + * documentation, but this is now it works in qemu + * for DAUI. Assume AUI has the same restriction. */ + DAUI(r1, r0, bits.b.aui & 0xffff); +#if __WORDSIZE == 64 + else if (r0 == r1 && ((jit_word_t)bits.b.ahi << 32) == i0) + DAHI(r0, bits.b.ahi & 0xffff); + else if (r0 == r1 && ((jit_word_t)bits.b.ati << 48) == i0) + DATI(r0, bits.b.ati & 0xffff); +#endif + else + goto fallback; + goto done; + } + fallback: reg = jit_get_reg(jit_class_gpr); movi(rn(reg), i0); addr(r0, r1, rn(reg)); jit_unget_reg(reg); } +done:; } static void |