DrSocalkwe3n/luajit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

FFI: Record 64 bit integer divide and modulo.

Browse Source
This commit is contained in:
Mike Pall
2011-02-02 20:53:10 +01:00
parent 2c8945d3e7
commit a1e0f991d8
6 changed files with 86 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
src/lj_asm.c
View File

@@ -3988,7 +3988,23 @@ static void asm_ir(ASMState *as, IRIns *ir)
else
asm_intarith(as, ir, XOg_X_IMUL);
break;
case IR_DIV: asm_fparith(as, ir, XO_DIVSD); break;
case IR_DIV:
#if LJ_64 && LJ_HASFFI
if (!irt_isnum(ir->t))
asm_arith64(as, ir, irt_isi64(ir->t) ? IRCALL_lj_carith_divi64 :
IRCALL_lj_carith_divu64);
else
#endif
asm_fparith(as, ir, XO_DIVSD);
break;
case IR_MOD:
#if LJ_64 && LJ_HASFFI
asm_arith64(as, ir, irt_isi64(ir->t) ? IRCALL_lj_carith_modi64 :
IRCALL_lj_carith_modu64);
#else
lua_assert(0);
#endif
break;
case IR_NEG:
if (irt_isnum(ir->t))
@@ -4168,6 +4184,14 @@ static void asm_setup_regsp(ASMState *as, GCtrace *T)
as->modset = RSET_SCRATCH;
break;
case IR_POWI:
if (irt_isnum(ir->t)) {
ir->prev = REGSP_HINT(RID_XMM0);
if (inloop)
as->modset |= RSET_RANGE(RID_XMM0, RID_XMM1+1)|RID2RSET(RID_EAX);
continue;
}
/* fallthrough */
case IR_DIV: case IR_MOD:
#if LJ_64 && LJ_HASFFI
if (!irt_isnum(ir->t)) {
ir->prev = REGSP_HINT(RID_RET);
@@ -4176,10 +4200,7 @@ static void asm_setup_regsp(ASMState *as, GCtrace *T)
continue;
}
#endif
ir->prev = REGSP_HINT(RID_XMM0);
if (inloop)
as->modset |= RSET_RANGE(RID_XMM0, RID_XMM1+1)|RID2RSET(RID_EAX);
continue;
break;
case IR_FPMATH:
if (ir->op2 == IRFPM_EXP2) { /* May be joined to lj_vm_pow_sse. */
ir->prev = REGSP_HINT(RID_XMM0);