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| author | Craig Topper <craig.topper@sifive.com> | 2024-06-26 11:10:12 -0700 |
|---|---|---|
| committer | Craig Topper <craig.topper@sifive.com> | 2024-06-26 11:11:05 -0700 |
| commit | 868fae1f2ecb54604231c1334ce9aa5b4c0b1288 (patch) | |
| tree | 991d9beb2bfad686e549f842eb55e8e0e4c2c352 /llvm/lib | |
| parent | 8ab66775dc885f7a99ee5f53771ce555e42085f9 (diff) | |
| download | llvm-868fae1f2ecb54604231c1334ce9aa5b4c0b1288.zip llvm-868fae1f2ecb54604231c1334ce9aa5b4c0b1288.tar.gz llvm-868fae1f2ecb54604231c1334ce9aa5b4c0b1288.tar.bz2 | |
[RISCV][GISel] Support G_FPEXT/FPTRUNC with ZFh.
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp index fc616d0..f033ea7 100644 --- a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp +++ b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp @@ -384,15 +384,24 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) getActionDefinitionsBuilder(G_FCOPYSIGN) .legalIf(all(typeIsScalarFPArith(0, ST), typeIsScalarFPArith(1, ST))); + // FIXME: Use Zfhmin. getActionDefinitionsBuilder(G_FPTRUNC).legalIf( [=, &ST](const LegalityQuery &Query) -> bool { return (ST.hasStdExtD() && typeIs(0, s32)(Query) && + typeIs(1, s64)(Query)) || + (ST.hasStdExtZfh() && typeIs(0, s16)(Query) && + typeIs(1, s32)(Query)) || + (ST.hasStdExtZfh() && ST.hasStdExtD() && typeIs(0, s16)(Query) && typeIs(1, s64)(Query)); }); getActionDefinitionsBuilder(G_FPEXT).legalIf( [=, &ST](const LegalityQuery &Query) -> bool { return (ST.hasStdExtD() && typeIs(0, s64)(Query) && - typeIs(1, s32)(Query)); + typeIs(1, s32)(Query)) || + (ST.hasStdExtZfh() && typeIs(0, s32)(Query) && + typeIs(1, s16)(Query)) || + (ST.hasStdExtZfh() && ST.hasStdExtD() && typeIs(0, s64)(Query) && + typeIs(1, s16)(Query)); }); getActionDefinitionsBuilder(G_FCMP) |