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| author | Chris Lattner <sabre@nondot.org> | 2010-09-15 04:45:10 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-09-15 04:45:10 +0000 |
| commit | 6c1b3b1e32f960f44e47d8484510f5c5f8e5343f (patch) | |
| tree | 88c7e0e42673a698a114f3d1ae8ea269c60b0713 | |
| parent | cfad564043021c7276ce19725f43bcde233fa549 (diff) | |
fix the encoding of sldt GR16 to have the 0x66 prefix, and
add sldt GR32, which isn't documented in the intel manual
but which gas accepts. Part of rdar://8418316
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113938 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 4 | ||||
| -rw-r--r-- | test/MC/AsmParser/X86/x86_instructions.s | 11 |
2 files changed, 13 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 216d0f10e7..462acb681e 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -4359,9 +4359,11 @@ def SGDTm : I<0x01, MRM0m, (outs opaque48mem:$dst), (ins), def SIDTm : I<0x01, MRM1m, (outs opaque48mem:$dst), (ins), "sidt\t$dst", []>, TB; def SLDT16r : I<0x00, MRM0r, (outs GR16:$dst), (ins), - "sldt{w}\t$dst", []>, TB; + "sldt{w}\t$dst", []>, TB, OpSize; def SLDT16m : I<0x00, MRM0m, (outs i16mem:$dst), (ins), "sldt{w}\t$dst", []>, TB; +def SLDT32r : I<0x00, MRM0r, (outs GR32:$dst), (ins), + "sldt{l}\t$dst", []>, TB; def LGDTm : I<0x01, MRM2m, (outs), (ins opaque48mem:$src), "lgdt\t$src", []>, TB; def LIDTm : I<0x01, MRM3m, (outs), (ins opaque48mem:$src), diff --git a/test/MC/AsmParser/X86/x86_instructions.s b/test/MC/AsmParser/X86/x86_instructions.s index 0f0c1ed76a..16b1aac619 100644 --- a/test/MC/AsmParser/X86/x86_instructions.s +++ b/test/MC/AsmParser/X86/x86_instructions.s @@ -1,4 +1,4 @@ -// RUN: llvm-mc -triple x86_64-unknown-unknown %s > %t 2> %t.err +// RUN: llvm-mc -triple x86_64-unknown-unknown -show-encoding %s > %t 2> %t.err // RUN: FileCheck < %t %s // RUN: FileCheck --check-prefix=CHECK-STDERR < %t.err %s @@ -279,3 +279,12 @@ shld %bx,%bx shld $1, %bx,%bx shrd %bx,%bx shrd $1, %bx,%bx + +// CHECK: sldtl %ecx +// CHECK: encoding: [0x0f,0x00,0xc1] +// CHECK: sldtw %cx +// CHECK: encoding: [0x66,0x0f,0x00,0xc1] + +sldt %ecx +sldt %cx + |