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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-07-08 23:02:20 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-07-08 23:02:20 -0700 |
| commit | 25884a87733cd35ef6613aaef9a8a08194267552 (patch) | |
| tree | 3eb831102c76206ba5ba4e19b94810be67ce108f /src/arch/mips/isa | |
| parent | 32daf6fc3fd34af0023ae74c2a1f8dd597f87242 (diff) | |
| download | gem5-25884a87733cd35ef6613aaef9a8a08194267552.tar.xz | |
Registers: Get rid of the float register width parameter.
Diffstat (limited to 'src/arch/mips/isa')
| -rw-r--r-- | src/arch/mips/isa/formats/fp.isa | 34 |
1 files changed, 9 insertions, 25 deletions
diff --git a/src/arch/mips/isa/formats/fp.isa b/src/arch/mips/isa/formats/fp.isa index 74200a74a..52fcd0724 100644 --- a/src/arch/mips/isa/formats/fp.isa +++ b/src/arch/mips/isa/formats/fp.isa @@ -104,25 +104,14 @@ output exec {{ Trace::InstRecord *traceData) { uint64_t mips_nan = 0; - T src_op = 0; - int size = sizeof(src_op) * 8; + assert(sizeof(T) == 4); for (int i = 0; i < inst->numSrcRegs(); i++) { - uint64_t src_bits = xc->readFloatRegOperandBits(inst, 0, size); - - if (isNan(&src_bits, size) ) { - if (isSnan(&src_bits, size)) { - switch (size) - { - case 32: mips_nan = MIPS32_QNAN; break; - case 64: mips_nan = MIPS64_QNAN; break; - default: panic("Unsupported Floating Point Size (%d)", size); - } - } else { - mips_nan = src_bits; - } + uint64_t src_bits = xc->readFloatRegOperandBits(inst, 0); - xc->setFloatRegOperandBits(inst, 0, mips_nan, size); + if (isNan(&src_bits, 32) ) { + mips_nan = MIPS32_QNAN; + xc->setFloatRegOperandBits(inst, 0, mips_nan); if (traceData) { traceData->setData(mips_nan); } return true; } @@ -137,18 +126,13 @@ output exec {{ { uint64_t mips_nan = 0; T src_op = dest_val; - int size = sizeof(src_op) * 8; + assert(sizeof(T) == 4); - if (isNan(&src_op, size)) { - switch (size) - { - case 32: mips_nan = MIPS32_QNAN; break; - case 64: mips_nan = MIPS64_QNAN; break; - default: panic("Unsupported Floating Point Size (%d)", size); - } + if (isNan(&src_op, 32)) { + mips_nan = MIPS32_QNAN; //Set value to QNAN - cpu->setFloatRegOperandBits(inst, 0, mips_nan, size); + cpu->setFloatRegOperandBits(inst, 0, mips_nan); //Read FCSR from FloatRegFile uint32_t fcsr_bits = cpu->tcBase()->readFloatRegBits(FCSR); |