diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMInstrInfo.td')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMInstrInfo.td | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstrInfo.td b/llvm/lib/Target/ARM/ARMInstrInfo.td index b1efab1e2fd..af508ee131a 100644 --- a/llvm/lib/Target/ARM/ARMInstrInfo.td +++ b/llvm/lib/Target/ARM/ARMInstrInfo.td @@ -1539,8 +1539,10 @@ def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), defm CMP : AI1_cmp_irs<0b1010, "cmp", BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>; -defm CMN : AI1_cmp_irs<0b1011, "cmn", - BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>; +//FIXME: Disable CMN, as CCodes are backwards from compare expectations +// Compare-to-zero still works out, just not the relationals +//defm CMN : AI1_cmp_irs<0b1011, "cmn", +// BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>; // Note that TST/TEQ don't set all the same flags that CMP does! defm TST : AI1_cmp_irs<0b1000, "tst", @@ -1553,11 +1555,11 @@ defm CMPz : AI1_cmp_irs<0b1010, "cmp", defm CMNz : AI1_cmp_irs<0b1011, "cmn", BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>; -def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm), - (CMNri GPR:$src, so_imm_neg:$imm)>; +//def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm), +// (CMNri GPR:$src, so_imm_neg:$imm)>; def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm), - (CMNri GPR:$src, so_imm_neg:$imm)>; + (CMNzri GPR:$src, so_imm_neg:$imm)>; // Conditional moves |
