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Changed the X86 PUSH64i8 record to use the i64i8imm ParserMatchClass so that a

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push with a small constant produces a 2-byte push.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134501 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kevin Enderby 2011-07-06 17:23:46 +00:00
parent e234cd9717
commit d521f2d2f1
2 changed files with 7 additions and 1 deletions
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2
lib/Target/X86/X86InstrInfo.td
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@ -669,7 +669,7 @@ def PUSH64rmm: I<0xFF, MRM6m, (outs), (ins i64mem:$src), "push{q}\t$src", []>;
}
let Defs = [RSP], Uses = [RSP], neverHasSideEffects = 1, mayStore = 1 in {
def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i8imm:$imm),
def PUSH64i8 : Ii8<0x6a, RawFrm, (outs), (ins i64i8imm:$imm),
"push{q}\t$imm", []>;
def PUSH64i16 : Ii16<0x68, RawFrm, (outs), (ins i16imm:$imm),
"push{q}\t$imm", []>;

6
test/MC/X86/x86-64.s
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@ -219,6 +219,12 @@ inb $161, %al
// CHECK: pushq $1
push $1
// rdar://9716860
pushq $1
// CHECK: encoding: [0x6a,0x01]
pushq $1111111
// CHECK: encoding: [0x68,0x47,0xf4,0x10,0x00]
// rdar://8017530
// CHECK: sldtw 4
sldt 4