diff options
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 11 | ||||
| -rw-r--r-- | test/MC/AsmParser/X86/x86_32-new-encoder.s | 17 | ||||
| -rw-r--r-- | utils/TableGen/EDEmitter.cpp | 4 |
3 files changed, 32 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 14982e79ea..b90403949c 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -820,6 +820,17 @@ def PUSHF32 : I<0x9C, RawFrm, (outs), (ins), "pushf{l|d}", []>, Requires<[In32BitMode]>; } +let Defs = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], Uses = [ESP], + mayLoad=1, neverHasSideEffects=1 in { +def POPA32 : I<0x61, RawFrm, (outs), (ins), "popa{l}", []>, + Requires<[In32BitMode]>; +} +let Defs = [ESP], Uses = [EDI, ESI, EBP, EBX, EDX, ECX, EAX, ESP], + mayStore=1, neverHasSideEffects=1 in { +def PUSHA32 : I<0x60, RawFrm, (outs), (ins), "pusha{l}", []>, + Requires<[In32BitMode]>; +} + let Uses = [EFLAGS], Constraints = "$src = $dst" in // GR32 = bswap GR32 def BSWAP32r : I<0xC8, AddRegFrm, (outs GR32:$dst), (ins GR32:$src), diff --git a/test/MC/AsmParser/X86/x86_32-new-encoder.s b/test/MC/AsmParser/X86/x86_32-new-encoder.s index c93b698d0b..e97e4940a4 100644 --- a/test/MC/AsmParser/X86/x86_32-new-encoder.s +++ b/test/MC/AsmParser/X86/x86_32-new-encoder.s @@ -398,3 +398,20 @@ retl // CHECK: [0x65,0x8b,0x05,0x7c,0x00,0x00,0x00] // FIXME: This is a correct bug poor encoding: Use 65 a1 7c 00 00 00 movl %gs:124, %eax + +// CHECK: pusha +// CHECK: encoding: [0x60] + pusha + +// CHECK: popa +// CHECK: encoding: [0x61] + popa + +// CHECK: pushal +// CHECK: encoding: [0x60] + pushal + +// CHECK: popal +// CHECK: encoding: [0x61] + popal + diff --git a/utils/TableGen/EDEmitter.cpp b/utils/TableGen/EDEmitter.cpp index 7f6436c1fe..cfc13677c3 100644 --- a/utils/TableGen/EDEmitter.cpp +++ b/utils/TableGen/EDEmitter.cpp @@ -500,6 +500,8 @@ static void X86ExtractSemantics( // TODO add support for fixed operands } else if (name.find("F") != name.npos) { // ignore (this pushes onto the FP stack) + } else if (name.find("A") != name.npos) { + // ignore (pushes all GP registoers onto the stack) } else if (name[name.length() - 1] == 'm') { PUSH("src"); } else if (name.find("i") != name.npos) { @@ -518,6 +520,8 @@ static void X86ExtractSemantics( // TODO add support for fixed operands } else if (name.find("F") != name.npos) { // ignore (this pops from the FP stack) + } else if (name.find("A") != name.npos) { + // ignore (pushes all GP registoers onto the stack) } else if (name[name.length() - 1] == 'm') { POP("dst"); } else { |