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FFI: Fix unfused loads of float fields.

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This commit is contained in:
Mike Pall 2011-10-13 20:53:01 +02:00
parent bc95d54ec9
commit 882537a874
1 changed files with 2 additions and 2 deletions
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4
src/lj_asm_x86.h
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@ -1147,13 +1147,13 @@ static void asm_strref(ASMState *as, IRIns *ir)
static void asm_fxload(ASMState *as, IRIns *ir) static void asm_fxload(ASMState *as, IRIns *ir)
{ {
Reg dest = ra_dest(as, ir, irt_isnum(ir->t) ? RSET_FPR : RSET_GPR); Reg dest = ra_dest(as, ir, irt_isfp(ir->t) ? RSET_FPR : RSET_GPR);
x86Op xo; x86Op xo;
if (ir->o == IR_FLOAD) if (ir->o == IR_FLOAD)
asm_fusefref(as, ir, RSET_GPR); asm_fusefref(as, ir, RSET_GPR);
else else
asm_fusexref(as, ir->op1, RSET_GPR); asm_fusexref(as, ir->op1, RSET_GPR);
/* ir->op2 is ignored -- unaligned loads are ok on x86. */ /* ir->op2 is ignored -- unaligned loads are ok on x86. */
switch (irt_type(ir->t)) { switch (irt_type(ir->t)) {
case IRT_I8: xo = XO_MOVSXb; break; case IRT_I8: xo = XO_MOVSXb; break;
case IRT_U8: xo = XO_MOVZXb; break; case IRT_U8: xo = XO_MOVZXb; break;