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| author | Richard Osborne <richard@xmos.com> | 2012-06-13 17:59:12 +0000 |
|---|---|---|
| committer | Richard Osborne <richard@xmos.com> | 2012-06-13 17:59:12 +0000 |
| commit | ab7d788eb5e57986a0b281e91e676707589a92e7 (patch) | |
| tree | bc44ac96483acd9e39d416d795d5891785f0db9a | |
| parent | e2fe809772624400386bc7dc0f7aad50e7dba180 (diff) | |
| download | bcm5719-llvm-ab7d788eb5e57986a0b281e91e676707589a92e7.tar.gz bcm5719-llvm-ab7d788eb5e57986a0b281e91e676707589a92e7.zip | |
Fix pattern for MKMSK instruction.
llvm-svn: 158409
| -rw-r--r-- | llvm/lib/Target/XCore/XCoreInstrInfo.td | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/XCore/mkmsk.ll | 11 |
2 files changed, 12 insertions, 1 deletions
diff --git a/llvm/lib/Target/XCore/XCoreInstrInfo.td b/llvm/lib/Target/XCore/XCoreInstrInfo.td index b25a08d25c1..b2f06037768 100644 --- a/llvm/lib/Target/XCore/XCoreInstrInfo.td +++ b/llvm/lib/Target/XCore/XCoreInstrInfo.td @@ -796,7 +796,7 @@ def MKMSK_rus : _FRUS<(outs GRRegs:$dst), (ins i32imm:$size), def MKMSK_2r : _FRUS<(outs GRRegs:$dst), (ins GRRegs:$size), "mkmsk $dst, $size", - [(set GRRegs:$dst, (add (shl 1, GRRegs:$size), 0xffffffff))]>; + [(set GRRegs:$dst, (add (shl 1, GRRegs:$size), -1))]>; def GETR_rus : _FRUS<(outs GRRegs:$dst), (ins i32imm:$type), "getr $dst, $type", diff --git a/llvm/test/CodeGen/XCore/mkmsk.ll b/llvm/test/CodeGen/XCore/mkmsk.ll new file mode 100644 index 00000000000..377612b7d21 --- /dev/null +++ b/llvm/test/CodeGen/XCore/mkmsk.ll @@ -0,0 +1,11 @@ +; RUN: llc < %s -march=xcore | FileCheck %s + +define i32 @f(i32) nounwind { +; CHECK: f: +; CHECK: mkmsk r0, r0 +; CHECK-NEXT: retsp 0 +entry: + %1 = shl i32 1, %0 + %2 = add i32 %1, -1 + ret i32 %2 +} |
