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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 14:06:27 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-07-16 14:06:27 +0000 |
| commit | cfca8b1f62f9a334467cc3e184f43b2097417ba7 (patch) | |
| tree | f7484d4a9581f716f686f8eb0522bf2374d1c84e | |
| parent | 8c993e1632383a7cc6793568be43fdd6f626a8c6 (diff) | |
| download | llvm-cfca8b1f62f9a334467cc3e184f43b2097417ba7.tar.gz llvm-cfca8b1f62f9a334467cc3e184f43b2097417ba7.tar.bz2 llvm-cfca8b1f62f9a334467cc3e184f43b2097417ba7.tar.xz | |
Add patterns for integer negate
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75980 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/SystemZ/SystemZInstrInfo.td | 15 | ||||
| -rw-r--r-- | test/CodeGen/SystemZ/02-RetNeg.ll | 7 | ||||
| -rw-r--r-- | test/CodeGen/SystemZ/03-RetNegImmSubreg.ll | 8 |
3 files changed, 30 insertions, 0 deletions
diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td index 49fd403a18..b08d0423fc 100644 --- a/lib/Target/SystemZ/SystemZInstrInfo.td +++ b/lib/Target/SystemZ/SystemZInstrInfo.td @@ -340,6 +340,21 @@ def MOV64rmm : Pseudo<(outs GR64:$from, GR64:$to), (ins riaddr:$dst), //===----------------------------------------------------------------------===// // Arithmetic Instructions +let Defs = [PSW] in { +def NEG32rr : Pseudo<(outs GR32:$dst), (ins GR32:$src), + "lcr\t{$dst, $src}", + [(set GR32:$dst, (ineg GR32:$src)), + (implicit PSW)]>; +def NEG64rr : Pseudo<(outs GR64:$dst), (ins GR64:$src), + "lcgr\t{$dst, $src}", + [(set GR64:$dst, (ineg GR64:$src)), + (implicit PSW)]>; +def NEG64rr32 : Pseudo<(outs GR64:$dst), (ins GR32:$src), + "lcgfr\t{$dst, $src}", + [(set GR64:$dst, (ineg (sext GR32:$src))), + (implicit PSW)]>; +} + let isTwoAddress = 1 in { let Defs = [PSW] in { diff --git a/test/CodeGen/SystemZ/02-RetNeg.ll b/test/CodeGen/SystemZ/02-RetNeg.ll new file mode 100644 index 0000000000..0bfbc7f11b --- /dev/null +++ b/test/CodeGen/SystemZ/02-RetNeg.ll @@ -0,0 +1,7 @@ +; RUN: llvm-as < %s | llc -march=systemz | grep lcgr | count 1 + +define i64 @foo(i64 %a) { +entry: + %c = sub i64 0, %a + ret i64 %c +}
\ No newline at end of file diff --git a/test/CodeGen/SystemZ/03-RetNegImmSubreg.ll b/test/CodeGen/SystemZ/03-RetNegImmSubreg.ll new file mode 100644 index 0000000000..fa83803fc0 --- /dev/null +++ b/test/CodeGen/SystemZ/03-RetNegImmSubreg.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | llc -march=systemz | grep lcr | count 1 + +define i32 @foo(i32 %a) { +entry: + %c = sub i32 0, %a + ret i32 %c +} + |