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authorAkira Hatanaka <ahatanaka@mips.com>2013-05-21 17:13:47 +0000
committerAkira Hatanaka <ahatanaka@mips.com>2013-05-21 17:13:47 +0000
commit1d4d32398ddb19520b2a84acae3b7807ad74602b (patch)
tree2171fef203b9498a3c8abb5c745005f7db14fcb8 /lib/Target/Mips
parentb9c26dcb2438266567ce94570bf294d00d10cc87 (diff)
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[mips] Add instruction selection patterns for blez and bgez.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182396 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips')
-rw-r--r--lib/Target/Mips/Mips64InstrInfo.td5
-rw-r--r--lib/Target/Mips/MipsInstrInfo.td5
2 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td
index 391b23e..df717fe 100644
--- a/lib/Target/Mips/Mips64InstrInfo.td
+++ b/lib/Target/Mips/Mips64InstrInfo.td
@@ -294,6 +294,11 @@ def : WrapperPat<tglobaltlsaddr, DADDiu, CPU64Regs>;
defm : BrcondPats<CPU64Regs, BEQ64, BNE64, SLT64, SLTu64, SLTi64, SLTiu64,
ZERO_64>;
+def : MipsPat<(brcond (i32 (setlt i64:$lhs, 1)), bb:$dst),
+ (BLEZ64 i64:$lhs, bb:$dst)>;
+def : MipsPat<(brcond (i32 (setgt i64:$lhs, -1)), bb:$dst),
+ (BGEZ64 i64:$lhs, bb:$dst)>;
+
// setcc patterns
defm : SeteqPats<CPU64Regs, SLTiu64, XOR64, SLTu64, ZERO_64>;
defm : SetlePats<CPU64Regs, SLT64, SLTu64>;
diff --git a/lib/Target/Mips/MipsInstrInfo.td b/lib/Target/Mips/MipsInstrInfo.td
index f37a93e..3febc81 100644
--- a/lib/Target/Mips/MipsInstrInfo.td
+++ b/lib/Target/Mips/MipsInstrInfo.td
@@ -1277,6 +1277,11 @@ def : MipsPat<(brcond RC:$cond, bb:$dst),
defm : BrcondPats<CPURegs, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
+def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
+ (BLEZ i32:$lhs, bb:$dst)>;
+def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
+ (BGEZ i32:$lhs, bb:$dst)>;
+
// setcc patterns
multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
Instruction SLTuOp, Register ZEROReg> {