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| author | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:06 -0500 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:06 -0500 |
| commit | 82614b6f3ae8e73ae972bc9df5736271a8af3e5f (patch) | |
| tree | f4b2edf766bb15e29661b251052ffa6d8a60aa05 /src/arch | |
| parent | 3cff58602ab3c088dd97c65988d336e6d50b4462 (diff) | |
| download | gem5-82614b6f3ae8e73ae972bc9df5736271a8af3e5f.tar.xz | |
ARM: Fix signed most significant multiply instructions.
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/arm/isa/insts/mult.isa | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/src/arch/arm/isa/insts/mult.isa b/src/arch/arm/isa/insts/mult.isa index 4b42e6c89..13c9df07b 100644 --- a/src/arch/arm/isa/insts/mult.isa +++ b/src/arch/arm/isa/insts/mult.isa @@ -284,29 +284,33 @@ let {{ ''') buildMult4InstUnCc("smmla", '''Reg0 = resTemp = ((int64_t)(Reg3.ud << 32) + - Reg1.sw * Reg2.sw) >> 32; + (int64_t)Reg1.sw * + (int64_t)Reg2.sw) >> 32; ''') buildMult4InstUnCc("smmlar", '''Reg0 = resTemp = ((int64_t)(Reg3.ud << 32) + - Reg1.sw * Reg2.sw + + (int64_t)Reg1.sw * + (int64_t)Reg2.sw + ULL(0x80000000)) >> 32; ''') buildMult4InstUnCc("smmls", '''Reg0 = resTemp = ((int64_t)(Reg3.ud << 32) - - Reg1.sw * Reg2.sw) >> 32; + (int64_t)Reg1.sw * + (int64_t)Reg2.sw) >> 32; ''') buildMult4InstUnCc("smmlsr", '''Reg0 = resTemp = ((int64_t)(Reg3.ud << 32) - - Reg1.sw * Reg2.sw + + (int64_t)Reg1.sw * + (int64_t)Reg2.sw + ULL(0x80000000)) >> 32; ''') buildMult3InstUnCc("smmul", '''Reg0 = resTemp = - ((int64_t)Reg1 * - (int64_t)Reg2) >> 32; + ((int64_t)Reg1.sw * + (int64_t)Reg2.sw) >> 32; ''') buildMult3InstUnCc("smmulr", '''Reg0 = resTemp = - ((int64_t)Reg1 * - (int64_t)Reg2 + + ((int64_t)Reg1.sw * + (int64_t)Reg2.sw + ULL(0x80000000)) >> 32; ''') buildMult3InstCc ("smuad", '''Reg0 = resTemp = |