Add ARM64 encodings for group IF_SVE_CT_3A#98085
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kunalspathak merged 3 commits intodotnet:mainfrom Feb 8, 2024
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Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch Issue DetailsAdds support for encoding Contributing towards #94549.
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@a74nh @kunalspathak @dotnet/arm64-contrib |
kunalspathak
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Feb 7, 2024
src/coreclr/jit/emitarm64.cpp
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| break; | ||
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| case IF_SVE_CT_3A: // ................ ...gggnnnnnddddd -- SVE reverse doublewords | ||
| assert(isVectorRegister(id->idReg3())); // ddddd |
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Have these in order of reg1, reg2 and reg3
| INS_OPTS_SCALABLE_D); // CLASTB <R><dn>, <Pg>, <R><dn>, <Zm>.<T> | ||
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| // IF_SVE_CT_3A | ||
| theEmitter->emitIns_R_R_R(INS_sve_revd, EA_SCALABLE, REG_V1, REG_P0, REG_V6); // REVD <Zd>.Q, <Pg>/M, <Zn>.Q |
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since all the tests are identical, 1 or 2 cases should be sufficient enough.
src/coreclr/jit/emitarm64.cpp
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| case IF_SVE_CT_3A: // ................ ...gggnnnnnddddd -- SVE reverse doublewords | ||
| assert(isVectorRegister(id->idReg3())); // ddddd | ||
| assert(isPredicateRegister(id->idReg2())); // ggg |
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| assert(isPredicateRegister(id->idReg2())); // ggg | |
| assert(isLowPredicateRegister(id->idReg2())); // ggg |
src/coreclr/jit/emitarm64.cpp
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| case INS_sve_revd: | ||
| assert(isVectorRegister(reg1)); // ddddd | ||
| assert(isPredicateRegister(reg2)); // ggg |
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| assert(isPredicateRegister(reg2)); // ggg | |
| assert(isLowPredicateRegister(reg2)); // ggg |
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Diff results for #98085Throughput diffsThroughput diffs for linux/arm64 ran on linux/x64MinOpts (-0.00% to +0.01%)
Throughput diffs for windows/arm64 ran on linux/x64MinOpts (-0.00% to +0.01%)
Details here |
Diff results for #98085Throughput diffsThroughput diffs for linux/arm64 ran on windows/x64MinOpts (-0.00% to +0.01%)
Throughput diffs for windows/arm64 ran on windows/x64MinOpts (-0.00% to +0.01%)
Details here |
This was referenced Feb 7, 2024
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Adds support for encoding
revd. Matching capstone:Contributing towards #94549.