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| author | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:14 -0500 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2010-06-02 12:58:14 -0500 |
| commit | 65f5204325f22ae8cc2b42da5ef046c55acf2a9d (patch) | |
| tree | ae905af99b3b391771e5142f641061746f9e4d2a /src/arch/arm/isa/formats/fp.isa | |
| parent | 19e05d7e8d4a5e9a6f3bb60d3530e2de6a61fee0 (diff) | |
| download | gem5-65f5204325f22ae8cc2b42da5ef046c55acf2a9d.tar.xz | |
ARM: Implement the VFP version of vmul.
Diffstat (limited to 'src/arch/arm/isa/formats/fp.isa')
| -rw-r--r-- | src/arch/arm/isa/formats/fp.isa | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/arch/arm/isa/formats/fp.isa b/src/arch/arm/isa/formats/fp.isa index 848ce907c..2222b1e62 100644 --- a/src/arch/arm/isa/formats/fp.isa +++ b/src/arch/arm/isa/formats/fp.isa @@ -486,7 +486,25 @@ let {{ return new WarnUnimplemented("vmla, vmls", machInst); case 0x2: if ((opc3 & 0x1) == 0) { - return new WarnUnimplemented("vmul", machInst); + uint32_t vd; + uint32_t vm; + uint32_t vn; + if (bits(machInst, 8) == 0) { + vd = bits(machInst, 22) | (bits(machInst, 15, 12) << 1); + vm = bits(machInst, 5) | (bits(machInst, 3, 0) << 1); + vn = bits(machInst, 7) | (bits(machInst, 19, 16) << 1); + return new VmulS(machInst, (IntRegIndex)vd, + (IntRegIndex)vn, (IntRegIndex)vm); + } else { + vd = (bits(machInst, 22) << 5) | + (bits(machInst, 15, 12) << 1); + vm = (bits(machInst, 5) << 5) | + (bits(machInst, 3, 0) << 1); + vn = (bits(machInst, 7) << 5) | + (bits(machInst, 19, 16) << 1); + return new VmulD(machInst, (IntRegIndex)vd, + (IntRegIndex)vn, (IntRegIndex)vm); + } } case 0x1: return new WarnUnimplemented("vnmla, vnmls, vnmul", machInst); |