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- Nuke 16-bit SBB instructions. We'll never use them.
- Nuke a bogus comment. llvm-svn: 26815
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@ -1784,7 +1784,6 @@ def ADD32ri : Ii32<0x81, MRM0r, (ops R32:$dst, R32:$src1, i32imm:$src2),
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[(set R32:$dst, (add R32:$src1, imm:$src2))]>;
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}
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// FIXME: move ADD16ri8 above ADD16ri to optimize for space.
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def ADD16ri8 : Ii8<0x83, MRM0r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
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"add{w} {$src2, $dst|$dst, $src2}",
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[(set R16:$dst, (add R16:$src1, i16immSExt8:$src2))]>,
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@ -1926,39 +1925,19 @@ let isTwoAddress = 0 in {
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def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
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"sbb{b} {$src2, $dst|$dst, $src2}",
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[(store (sube (loadi8 addr:$dst), imm:$src2), addr:$dst)]>;
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def SBB16mi : Ii32<0x81, MRM3m, (ops i16mem:$dst, i16imm:$src2),
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"sbb{w} {$src2, $dst|$dst, $src2}",
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[(store (sube (loadi16 addr:$dst), imm:$src2), addr:$dst)]>,
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OpSize;
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def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
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"sbb{l} {$src2, $dst|$dst, $src2}",
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[(store (sube (loadi32 addr:$dst), imm:$src2), addr:$dst)]>;
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def SBB16mi8 : Ii8<0x83, MRM3m, (ops i16mem:$dst, i16i8imm :$src2),
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"sbb{w} {$src2, $dst|$dst, $src2}",
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[(store (sube (load addr:$dst), i16immSExt8:$src2), addr:$dst)]>,
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OpSize;
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def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i32i8imm :$src2),
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"sbb{l} {$src2, $dst|$dst, $src2}",
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[(store (sube (load addr:$dst), i32immSExt8:$src2), addr:$dst)]>;
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}
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def SBB8ri : Ii8<0x80, MRM3r, (ops R8:$dst, R8:$src1, i8imm:$src2),
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"sbb{b} {$src2, $dst|$dst, $src2}",
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[(set R8:$dst, (sube R8:$src1, imm:$src2))]>;
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def SBB16ri : Ii16<0x81, MRM3r, (ops R16:$dst, R16:$src1, i16imm:$src2),
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"sbb{w} {$src2, $dst|$dst, $src2}",
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[(set R16:$dst, (sube R16:$src1, imm:$src2))]>, OpSize;
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def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
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"sbb{l} {$src2, $dst|$dst, $src2}",
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[(set R32:$dst, (sube R32:$src1, (load addr:$src2)))]>;
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def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
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"sbb{l} {$src2, $dst|$dst, $src2}",
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[(set R32:$dst, (sube R32:$src1, imm:$src2))]>;
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def SBB16ri8 : Ii8<0x83, MRM3r, (ops R16:$dst, R16:$src1, i16i8imm:$src2),
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"sbb{w} {$src2, $dst|$dst, $src2}",
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[(set R16:$dst, (sube R16:$src1, i16immSExt8:$src2))]>,
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OpSize;
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def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
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"sbb{l} {$src2, $dst|$dst, $src2}",
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[(set R32:$dst, (sube R32:$src1, i32immSExt8:$src2))]>;
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