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| author | Serban Constantinescu <serban.constantinescu@arm.com> | 2013-06-17 16:54:53 +0100 |
|---|---|---|
| committer | David Butcher <david.butcher@arm.com> | 2013-12-19 18:32:01 +0000 |
| commit | dcac30c78f7edd865307a4e54c21a369503fff73 (patch) | |
| tree | 956322c7888d372825222f837a1084d68c2ba685 /vm/compiler/codegen/arm/FP | |
| parent | 673f4c40382532c3b00b86f9e89bfd088b495f43 (diff) | |
| download | android_dalvik-dcac30c78f7edd865307a4e54c21a369503fff73.tar.gz android_dalvik-dcac30c78f7edd865307a4e54c21a369503fff73.tar.bz2 android_dalvik-dcac30c78f7edd865307a4e54c21a369503fff73.zip | |
Dalvik: Add hardware vfp support for OP_LONG_TO_DOUBLE in JIT
The following patch adds hardware vfp support for OP_LONG_TO_DOUBLE
in the JIT. Previously this opcode was implemented using one of gcc's
builtin helpers.
Change-Id: I3c88b2a527dea99dcefdb34be6695e75993da73e
Signed-off-by: Serban Constantinescu <serban.constantinescu@arm.com>
Diffstat (limited to 'vm/compiler/codegen/arm/FP')
| -rw-r--r-- | vm/compiler/codegen/arm/FP/Thumb2VFP.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/vm/compiler/codegen/arm/FP/Thumb2VFP.cpp b/vm/compiler/codegen/arm/FP/Thumb2VFP.cpp index abbf2c9b4..3ecb38114 100644 --- a/vm/compiler/codegen/arm/FP/Thumb2VFP.cpp +++ b/vm/compiler/codegen/arm/FP/Thumb2VFP.cpp @@ -108,6 +108,30 @@ static bool genArithOpDouble(CompilationUnit *cUnit, MIR *mir, return false; } +static bool genConversionL2D(CompilationUnit *cUnit, MIR *mir) +{ + int srcReg, tmp1, tmp2; + RegLocation rlSrc; + RegLocation rlDest; + RegLocation rlResult; + + rlSrc = dvmCompilerGetSrcWide(cUnit, mir, 0, 1); + rlSrc = loadValueWide(cUnit, rlSrc, kFPReg); + srcReg = S2D(rlSrc.lowReg, rlSrc.highReg); + rlDest = dvmCompilerGetDestWide(cUnit, mir, 0, 1); + rlResult = dvmCompilerEvalLoc(cUnit, rlDest, kFPReg, true); + tmp1 = dvmCompilerAllocTypedTempPair(cUnit, true, kFPReg); + tmp2 = dvmCompilerAllocTypedTempPair(cUnit, true, kFPReg); + newLIR2(cUnit, (ArmOpcode)kThumb2VcvtF64S32, tmp1, ((srcReg & 0xff)+1)); + newLIR2(cUnit, (ArmOpcode)kThumb2VcvtF64U32, S2D(rlResult.lowReg, rlResult.highReg), + (srcReg & 0xff)); + loadConstantValueWide(cUnit, (tmp2 & 0xff), ((tmp2 >> 8) & 0xff), 0x0, 0x41f00000); + newLIR3(cUnit, (ArmOpcode)kThumb2VmlaF64, S2D(rlResult.lowReg, rlResult.highReg), + tmp1, tmp2); + storeValueWide(cUnit, rlDest, rlResult); + return false; +} + static bool genConversion(CompilationUnit *cUnit, MIR *mir) { Opcode opcode = mir->dalvikInsn.opcode; @@ -151,6 +175,7 @@ static bool genConversion(CompilationUnit *cUnit, MIR *mir) op = kThumb2VcvtDI; break; case OP_LONG_TO_DOUBLE: + return genConversionL2D(cUnit, mir); case OP_FLOAT_TO_LONG: case OP_LONG_TO_FLOAT: case OP_DOUBLE_TO_LONG: |