diff options
| author | Ben Cheng <bccheng@android.com> | 2010-01-14 14:33:27 -0800 |
|---|---|---|
| committer | Android (Google) Code Review <android-gerrit@google.com> | 2010-01-14 14:33:27 -0800 |
| commit | 8f8347dabe2c7c0cd956c81544d8ca69ac25440d (patch) | |
| tree | e0c8e17967b8f27ad3789922ecc723b4bf9b62a3 /vm/compiler/codegen/arm/CodegenDriver.c | |
| parent | 1eed8cdf41e824b72945a85a44d772d230a84040 (diff) | |
| parent | 51ecf60dca9f98eeda1818814de6a344e197802f (diff) | |
Merge "Fix bad long negate; bug 2373405 - EnumSetTest failure with JIT today"
Diffstat (limited to 'vm/compiler/codegen/arm/CodegenDriver.c')
| -rw-r--r-- | vm/compiler/codegen/arm/CodegenDriver.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/vm/compiler/codegen/arm/CodegenDriver.c b/vm/compiler/codegen/arm/CodegenDriver.c index 010e8ca23..d6cb5d6c1 100644 --- a/vm/compiler/codegen/arm/CodegenDriver.c +++ b/vm/compiler/codegen/arm/CodegenDriver.c @@ -1048,12 +1048,15 @@ static bool genArithOpLong(CompilationUnit *cUnit, MIR *mir, secondOp = kOpXor; break; case OP_NEG_LONG: { + //TUNING: can improve this using Thumb2 code + int tReg = allocTemp(cUnit); rlSrc2 = loadValueWide(cUnit, rlSrc2, kCoreReg); rlResult = evalLoc(cUnit, rlDest, kCoreReg, true); - loadConstantValue(cUnit, rlResult.highReg, 0); + loadConstantValue(cUnit, tReg, 0); opRegRegReg(cUnit, kOpSub, rlResult.lowReg, - rlResult.highReg, rlSrc2.lowReg); - opRegReg(cUnit, kOpSbc, rlResult.highReg, rlSrc2.highReg); + tReg, rlSrc2.lowReg); + opRegReg(cUnit, kOpSbc, tReg, rlSrc2.highReg); + genRegCopy(cUnit, rlResult.highReg, tReg); storeValueWide(cUnit, rlDest, rlResult); return false; } |