diff options
| -rw-r--r-- | src/arch/arm/isa/insts/data.isa | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/src/arch/arm/isa/insts/data.isa b/src/arch/arm/isa/insts/data.isa index 04e62f27b..4efbae574 100644 --- a/src/arch/arm/isa/insts/data.isa +++ b/src/arch/arm/isa/insts/data.isa @@ -501,4 +501,109 @@ let {{ replaceBits(resTemp, 31, 16, midRes); Dest = resTemp; ''', flagType="none", buildCc=False) + + buildRegDataInst("uadd16", ''' + uint32_t geBits = 0; + resTemp = 0; + for (unsigned i = 0; i < 2; i++) { + int high = (i + 1) * 16 - 1; + int low = i * 16; + int32_t midRes = bits(Op1, high, low) + + bits(Op2, high, low); + if (midRes >= 0x10000) { + geBits = geBits | (0x3 << (i * 2)); + } + replaceBits(resTemp, high, low, midRes); + } + Dest = resTemp; + resTemp = geBits; + ''', flagType="ge", buildNonCc=False) + buildRegDataInst("uadd8", ''' + uint32_t geBits = 0; + resTemp = 0; + for (unsigned i = 0; i < 4; i++) { + int high = (i + 1) * 8 - 1; + int low = i * 8; + int32_t midRes = bits(Op1, high, low) + + bits(Op2, high, low); + if (midRes >= 0x100) { + geBits = geBits | (1 << i); + } + replaceBits(resTemp, high, low, midRes); + } + Dest = resTemp; + resTemp = geBits; + ''', flagType="ge", buildNonCc=False) + buildRegDataInst("usub16", ''' + uint32_t geBits = 0; + resTemp = 0; + for (unsigned i = 0; i < 2; i++) { + int high = (i + 1) * 16 - 1; + int low = i * 16; + int32_t midRes = bits(Op1, high, low) - + bits(Op2, high, low); + if (midRes >= 0) { + geBits = geBits | (0x3 << (i * 2)); + } + replaceBits(resTemp, high, low, midRes); + } + Dest = resTemp; + resTemp = geBits; + ''', flagType="ge", buildNonCc=False) + buildRegDataInst("usub8", ''' + uint32_t geBits = 0; + resTemp = 0; + for (unsigned i = 0; i < 4; i++) { + int high = (i + 1) * 8 - 1; + int low = i * 8; + int32_t midRes = bits(Op1, high, low) - + bits(Op2, high, low); + if (midRes >= 0) { + geBits = geBits | (1 << i); + } + replaceBits(resTemp, high, low, midRes); + } + Dest = resTemp; + resTemp = geBits; + ''', flagType="ge", buildNonCc=False) + buildRegDataInst("uasx", ''' + int32_t midRes, geBits = 0; + resTemp = 0; + int64_t arg1Low = bits(Op1.sw, 15, 0); + int64_t arg1High = bits(Op1.sw, 31, 16); + int64_t arg2Low = bits(Op2.sw, 15, 0); + int64_t arg2High = bits(Op2.sw, 31, 16); + midRes = arg1Low - arg2High; + if (midRes >= 0) { + geBits = geBits | 0x3; + } + replaceBits(resTemp, 15, 0, midRes); + midRes = arg1High + arg2Low; + if (midRes >= 0x10000) { + geBits = geBits | 0xc; + } + replaceBits(resTemp, 31, 16, midRes); + Dest = resTemp; + resTemp = geBits; + ''', flagType="ge", buildNonCc=False) + buildRegDataInst("usax", ''' + int32_t midRes, geBits = 0; + resTemp = 0; + int64_t arg1Low = bits(Op1.sw, 15, 0); + int64_t arg1High = bits(Op1.sw, 31, 16); + int64_t arg2Low = bits(Op2.sw, 15, 0); + int64_t arg2High = bits(Op2.sw, 31, 16); + midRes = arg1Low + arg2High; + if (midRes >= 0x10000) { + geBits = geBits | 0x3; + } + replaceBits(resTemp, 15, 0, midRes); + midRes = arg1High - arg2Low; + if (midRes >= 0) { + geBits = geBits | 0xc; + } + replaceBits(resTemp, 31, 16, midRes); + Dest = resTemp; + resTemp = geBits; + ''', flagType="ge", buildNonCc=False) }}; |