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VFP: Implement VMLA, VMLS, VNMLA, VNMLS

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This commit is contained in:
MerryMage 2016-08-07 11:38:30 +01:00
parent 3f1345a1a5
commit da33af5abe
4 changed files with 112 additions and 9 deletions
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11
src/frontend/decoder/vfp2.h
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@ -64,10 +64,10 @@ boost::optional<const VFP2Matcher<V>&> DecodeVFP2(u32 instruction) {
// cccc1110________----101-__-0----
// Floating-point three-register data processing instructions
// VMLA
// VMLS
// VNMLA
// VNMLS
INST(&V::vfp2_VMLA, "VMLA", "cccc11100D00nnnndddd101zN0M0mmmm"),
INST(&V::vfp2_VMLS, "VMLS", "cccc11100D00nnnndddd101zN1M0mmmm"),
INST(&V::vfp2_VNMLS, "VNMLS", "cccc11100D01nnnndddd101zN0M0mmmm"),
INST(&V::vfp2_VNMLA, "VNMLA", "cccc11100D01nnnndddd101zN1M0mmmm"),
INST(&V::vfp2_VMUL, "VMUL", "cccc11100D10nnnndddd101zN0M0mmmm"),
INST(&V::vfp2_VNMUL, "VNMUL", "cccc11100D10nnnndddd101zN1M0mmmm"),
INST(&V::vfp2_VADD, "VADD", "cccc11100D11nnnndddd101zN0M0mmmm"),
@ -99,6 +99,9 @@ boost::optional<const VFP2Matcher<V>&> DecodeVFP2(u32 instruction) {
};
if ((instruction & 0xF0000000) == 0xF0000000)
return boost::none; // Don't try matching any unconditional instructions.
const auto matches_instruction = [instruction](const auto& matcher){ return matcher.Matches(instruction); };
auto iter = std::find_if(table.begin(), table.end(), matches_instruction);