diff options
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 10 | ||||
| -rw-r--r-- | test/MC/AsmParser/X86/x86_32-encoding.s | 16 |
2 files changed, 22 insertions, 4 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 460643a96f..ad3a383008 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -781,10 +781,11 @@ let isTwoAddress = 1 in // GR32 = bswap GR32 let Defs = [EFLAGS] in { def BSF16rr : I<0xBC, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src), "bsf{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB; + [(set GR16:$dst, EFLAGS, (X86bsf GR16:$src))]>, TB, OpSize; def BSF16rm : I<0xBC, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), "bsf{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB; + [(set GR16:$dst, EFLAGS, (X86bsf (loadi16 addr:$src)))]>, TB, + OpSize; def BSF32rr : I<0xBC, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src), "bsf{l}\t{$src, $dst|$dst, $src}", [(set GR32:$dst, EFLAGS, (X86bsf GR32:$src))]>, TB; @@ -794,10 +795,11 @@ def BSF32rm : I<0xBC, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$src), def BSR16rr : I<0xBD, MRMSrcReg, (outs GR16:$dst), (ins GR16:$src), "bsr{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB; + [(set GR16:$dst, EFLAGS, (X86bsr GR16:$src))]>, TB, OpSize; def BSR16rm : I<0xBD, MRMSrcMem, (outs GR16:$dst), (ins i16mem:$src), "bsr{w}\t{$src, $dst|$dst, $src}", - [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB; + [(set GR16:$dst, EFLAGS, (X86bsr (loadi16 addr:$src)))]>, TB, + OpSize; def BSR32rr : I<0xBD, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src), "bsr{l}\t{$src, $dst|$dst, $src}", [(set GR32:$dst, EFLAGS, (X86bsr GR32:$src))]>, TB; diff --git a/test/MC/AsmParser/X86/x86_32-encoding.s b/test/MC/AsmParser/X86/x86_32-encoding.s index bf573e8b61..b5472ca49c 100644 --- a/test/MC/AsmParser/X86/x86_32-encoding.s +++ b/test/MC/AsmParser/X86/x86_32-encoding.s @@ -9968,3 +9968,19 @@ // CHECK: fixup A - offset: 5, value: CPI1_0-4 pshufb CPI1_0(%rip), %xmm1 +// rdar://7910087 +// CHECK: bsfw %bx, %bx +// CHECK: encoding: [0x66,0x0f,0xbc,0xdb] + bsfw %bx, %bx + +// CHECK: bsfw 3735928559(%ebx,%ecx,8), %bx +// CHECK: encoding: [0x66,0x0f,0xbc,0x9c,0xcb,0xef,0xbe,0xad,0xde] + bsfw 3735928559(%ebx,%ecx,8), %bx + +// CHECK: bsrw %bx, %bx +// CHECK: encoding: [0x66,0x0f,0xbd,0xdb] + bsrw %bx, %bx + +// CHECK: bsrw 305419896, %bx +// CHECK: encoding: [0x66,0x0f,0xbd,0x1d,0x78,0x56,0x34,0x12] + bsrw 305419896, %bx |