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author | Evan Cheng <evan.cheng@apple.com> | 2007-09-26 01:29:06 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2007-09-26 01:29:06 +0000 |
commit | 2f245ba57290140b5b9689495b1583a76d62c24e (patch) | |
tree | 2902af2d7d947e8534af6ec8499340ed98e8ef03 | |
parent | 1a35edba13f35ef251e047e5654f35310239bf76 (diff) | |
download | external_llvm-2f245ba57290140b5b9689495b1583a76d62c24e.zip external_llvm-2f245ba57290140b5b9689495b1583a76d62c24e.tar.gz external_llvm-2f245ba57290140b5b9689495b1583a76d62c24e.tar.bz2 |
Add pushf{d|q}, popf{d|q} to push and pop EFLAGS register.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42335 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 11 | ||||
-rw-r--r-- | lib/Target/X86/X86InstrX86-64.td | 5 |
2 files changed, 12 insertions, 4 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index bdce50a7..7bd997f 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -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", []>; diff --git a/lib/Target/X86/X86InstrX86-64.td b/lib/Target/X86/X86InstrX86-64.td index bba75f5..92965d3 100644 --- a/lib/Target/X86/X86InstrX86-64.td +++ b/lib/Target/X86/X86InstrX86-64.td @@ -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}", |