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Add pushf{d|q}, popf{d|q} to push and pop EFLAGS register.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42335 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-09-26 01:29:06 +00:00
parent 1a35edba13
commit 2f245ba572
2 changed files with 12 additions and 4 deletions
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11
lib/Target/X86/X86InstrInfo.td
View File

@ -424,13 +424,16 @@ def LEAVE : I<0xC9, RawFrm,
(outs), (ins), "leave", []>;
let Defs = [ESP], Uses = [ESP] in {
def POP32r : I<0x58, AddRegFrm,
(outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
def POP32r : I<0x58, AddRegFrm, (outs GR32:$reg), (ins), "pop{l}\t$reg", []>;
def PUSH32r : I<0x50, AddRegFrm,
(outs), (ins GR32:$reg), "push{l}\t$reg", []>;
def PUSH32r : I<0x50, AddRegFrm, (outs), (ins GR32:$reg), "push{l}\t$reg",[]>;
}
let Defs = [ESP, EFLAGS], Uses = [ESP] in
def POPD : I<0x9D, RawFrm, (outs), (ins), "popfd", []>;
let Defs = [ESP], Uses = [ESP, EFLAGS] in
def PUSHFD : I<0x9C, RawFrm, (outs), (ins), "pushfd", []>;
def MovePCtoStack : I<0, Pseudo, (outs), (ins piclabel:$label),
"call\t$label", []>;

5
lib/Target/X86/X86InstrX86-64.td
View File

@ -123,6 +123,11 @@ def PUSH64r : I<0x50, AddRegFrm,
(outs), (ins GR64:$reg), "push{q}\t$reg", []>;
}
let Defs = [RSP, EFLAGS], Uses = [RSP] in
def POPQ : I<0x9D, RawFrm, (outs), (ins), "popfq", []>, REX_W;
let Defs = [RSP], Uses = [RSP, EFLAGS] in
def PUSHFQ : I<0x9C, RawFrm, (outs), (ins), "pushfq", []>;
def LEA64_32r : I<0x8D, MRMSrcMem,
(outs GR32:$dst), (ins lea64_32mem:$src),
"lea{l}\t{$src|$dst}, {$dst|$src}",