| author | pcpa <paulo.cesar.pereira.de.andrade@gmail.com> | 2013年10月07日 17:04:00 -0300 |
|---|---|---|
| committer | pcpa <paulo.cesar.pereira.de.andrade@gmail.com> | 2013年10月07日 17:04:00 -0300 |
| commit | 0e940481747396ccfd02ca06a735ad33d5ea34e8 (patch) | |
| tree | b55e9d15e3dd587d2c5fa5a6a8a4b29fe3ca695c /lib | |
| parent | 52bfc671928047b323d7646352f2f27500d56e3b (diff) | |
| download | lightning-0e940481747396ccfd02ca06a735ad33d5ea34e8.tar.gz | |
| -rw-r--r-- | lib/jit_x86-x87.c | 57 | ||||
| -rw-r--r-- | lib/jit_x86.c | 4 |
diff --git a/lib/jit_x86-x87.c b/lib/jit_x86-x87.c index 6935593..63043c8 100644 --- a/lib/jit_x86-x87.c +++ b/lib/jit_x86-x87.c @@ -18,6 +18,11 @@ */ #if PROTO +# if __WORDSIZE == 32 +# define CVT_OFFSET -12 +# else +# define CVT_OFFSET -8 +# endif # define _ST0_REGNO 0 # define _ST1_REGNO 1 # define _ST2_REGNO 2 @@ -27,11 +32,16 @@ # define _ST6_REGNO 6 # define _ST7_REGNO 7 # define x87rx(code, md, rb, ri, ms) _x87rx(_jit, code, md, rb, ri, ms) +# define fldcwm(md, rb, ri, ms) x87rx(015, md, rb, ri, ms) +# define fstcwm(md, rb, ri, ms) _fstcwm(_jit, md, rb, ri, ms) +static void +_fstcwm(jit_state_t*, jit_int32_t, jit_int32_t, jit_int32_t, jit_int32_t); # define fldsm(md, rb, ri, ms) x87rx(010, md, rb, ri, ms) # define fstsm(md, rb, ri, ms) x87rx(012, md, rb, ri, ms) # define fldlm(md, rb, ri, ms) x87rx(050, md, rb, ri, ms) # define fstlm(md, rb, ri, ms) x87rx(052, md, rb, ri, ms) # define fisttplm(md, rb, ri, ms) x87rx(031, md, rb, ri, ms) +# define fistlm(md, rb, ri, ms) x87rx(032, md, rb, ri, ms) # define fisttpqm(md, rb, ri, ms) x87rx(071, md, rb, ri, ms) # define fildlm(md, rb, ri, ms) x87rx(030, md, rb,ri, ms) # define fildqm(md, rb, ri, ms) x87rx(075, md, rb,ri, ms) @@ -403,6 +413,15 @@ _x87_b##name##i_##type(jit_state_t *_jit, \ # define dbopi(name) fpr_bopi(name, d, 64) static void +_fstcwm(jit_state_t *_jit, jit_int32_t md, + jit_int32_t rb, jit_int32_t ri, jit_int32_t ms) +{ + ic(0x9b); + rex(0, 1, rb, ri, _NOREG); + x87rx(017, md, rb, ri, ms); +} + +static void _x87rx(jit_state_t *_jit, jit_int32_t code, jit_int32_t md, jit_int32_t rb, jit_int32_t ri, jit_int32_t ms) { @@ -630,34 +649,52 @@ _x87_sqrtr_d(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) static void _x87_truncr_d_i(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { - pushr(_RAX_REGNO); +#if defined(sun) + /* for the sake of passing test cases in x87 mode, otherwise only sse + * is supported */ + fstcwm(-4, _RBP_REGNO, _NOREG, _SCL1); + ldxi_s(r0, _RBP_REGNO, -4); + extr_uc(r0, r0); +# define FPCW_CHOP 0xc00 + ori(r0, r0, FPCW_CHOP); + stxi_s(-8, _RBP_REGNO, r0); + fldcwm(-8, _RBP_REGNO, _NOREG, _SCL1); + if (r1 == _ST0_REGNO) + fistlm(CVT_OFFSET, _RBP_REGNO, _NOREG, _SCL1); + else { + fxchr(r1); + fistlm(CVT_OFFSET, _RBP_REGNO, _NOREG, _SCL1); + fxchr(r1); + } + fldcwm(-4, _RBP_REGNO, _NOREG, _SCL1); + ldxi(r0, _RBP_REGNO, CVT_OFFSET); +#else fldr(r1); - fisttplm(0, _RSP_REGNO, _NOREG, _SCL1); - popr(r0); + fisttplm(CVT_OFFSET, _RBP_REGNO, _NOREG, _SCL1); + ldxi_i(r0, _RBP_REGNO, CVT_OFFSET); +#endif } # if __WORDSIZE == 64 static void _x87_truncr_d_l(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { - pushr(_RAX_REGNO); fldr(r1); - fisttpqm(0, _RSP_REGNO, _NOREG, _SCL1); - popr(r0); + fisttpqm(CVT_OFFSET, _RBP_REGNO, _NOREG, _SCL1); + ldxi(r0, _RBP_REGNO, CVT_OFFSET); } # endif static void _x87_extr_d(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1) { - pushr(r1); + stxi(CVT_OFFSET, _RBP_REGNO, r1); # if __WORDSIZE == 32 - fildlm(0, _RSP_REGNO, _NOREG, _SCL1); + fildlm(CVT_OFFSET, _RBP_REGNO, _NOREG, _SCL1); # else - fildqm(0, _RSP_REGNO, _NOREG, _SCL1); + fildqm(CVT_OFFSET, _RBP_REGNO, _NOREG, _SCL1); # endif fstpr(r0 + 1); - popr(r1); } static void diff --git a/lib/jit_x86.c b/lib/jit_x86.c index b2c1b40..28b6166 100644 --- a/lib/jit_x86.c +++ b/lib/jit_x86.c @@ -310,7 +310,11 @@ _jit_prolog(jit_state_t *_jit) _jitc->function->self.argi = _jitc->function->self.argf = _jitc->function->self.aoff = _jitc->function->self.alen = 0; /* sse/x87 conversion */ +#if __WORDSIZE == 32 + _jitc->function->self.aoff = -12; +#else _jitc->function->self.aoff = -8; +#endif _jitc->function->self.call = jit_call_default; jit_alloc((jit_pointer_t *)&_jitc->function->regoff, _jitc->reglen * sizeof(jit_int32_t)); |