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Bug 700517 - Add "ret imm16" instruction for x86 and x86_64; r=dvander a=not-libxul

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This commit is contained in:
Nicolas Pierron 2011-12-13 14:17:57 +00:00
parent f9989fa0ef
commit c37b2e0523
1 changed files with 11 additions and 1 deletions
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12
js/src/assembler/assembler/X86Assembler.h
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@ -226,6 +226,7 @@ private:
OP_MOV_OvEAX = 0xA3,
OP_MOV_EAXIv = 0xB8,
OP_GROUP2_EvIb = 0xC1,
OP_RET_Iz = 0xC2,
OP_RET = 0xC3,
OP_GROUP11_EvIb = 0xC6,
OP_GROUP11_EvIz = 0xC7,
@ -2295,13 +2296,22 @@ public:
js::JaegerSpew(js::JSpew_Insns, IPFX "int3\n", MAYBE_PAD);
m_formatter.oneByteOp(OP_INT3);
}
void ret()
{
js::JaegerSpew(js::JSpew_Insns, IPFX "ret\n", MAYBE_PAD);
m_formatter.oneByteOp(OP_RET);
}
void ret(int imm)
{
js::JaegerSpew(js::JSpew_Insns,
IPFX "ret %d\n", MAYBE_PAD,
imm);
m_formatter.oneByteOp(OP_RET_Iz);
m_formatter.immediate16(imm);
}
void predictNotTaken()
{
FIXME_INSN_PRINTING;