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| author | Craig Topper <craig.topper@sifive.com> | 2024-06-26 09:53:37 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-06-26 09:53:37 -0700 |
| commit | 581fd2fa573e39607ea164c0b4a8057baeb62c69 (patch) | |
| tree | d8af50649388e78e081085af681d40e0ad714640 /llvm/lib | |
| parent | 7c4fc9ccc058137877c99bad402a91d3ce640bbb (diff) | |
| download | llvm-581fd2fa573e39607ea164c0b4a8057baeb62c69.zip llvm-581fd2fa573e39607ea164c0b4a8057baeb62c69.tar.gz llvm-581fd2fa573e39607ea164c0b4a8057baeb62c69.tar.bz2 | |
[RISCV][GISel] Support fptoi and itofp for Zfh. (#96707)
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp index f6761ce..4ce1828 100644 --- a/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp +++ b/llvm/lib/Target/RISCV/GISel/RISCVLegalizerInfo.cpp @@ -423,16 +423,19 @@ RISCVLegalizerInfo::RISCVLegalizerInfo(const RISCVSubtarget &ST) FConstantActions.legalFor({s16}); FConstantActions.lowerFor({s32, s64}); - getActionDefinitionsBuilder({G_FPTOSI, G_FPTOUI}) - .legalIf(all(typeInSet(0, {s32, sXLen}), typeIsScalarFPArith(1, ST))) - .widenScalarToNextPow2(0) - .clampScalar(0, s32, sXLen) - .libcall(); + auto &FPToIActions = + getActionDefinitionsBuilder({G_FPTOSI, G_FPTOUI}) + .legalIf(all(typeInSet(0, {s32, sXLen}), typeIsScalarFPArith(1, ST))); + if (ST.hasStdExtZfh()) + FPToIActions.legalFor({{s32, s16}, {sXLen, s16}}); + FPToIActions.widenScalarToNextPow2(0).clampScalar(0, s32, sXLen).libcall(); - getActionDefinitionsBuilder({G_SITOFP, G_UITOFP}) - .legalIf(all(typeIsScalarFPArith(0, ST), typeInSet(1, {s32, sXLen}))) - .widenScalarToNextPow2(1) - .clampScalar(1, s32, sXLen); + auto &IToFPActions = + getActionDefinitionsBuilder({G_SITOFP, G_UITOFP}) + .legalIf(all(typeIsScalarFPArith(0, ST), typeInSet(1, {s32, sXLen}))); + if (ST.hasStdExtZfh()) + IToFPActions.legalFor({{s16, s32}, {s16, sXLen}}); + IToFPActions.widenScalarToNextPow2(1).clampScalar(1, s32, sXLen); // FIXME: We can do custom inline expansion like SelectionDAG. // FIXME: Legal with Zfa. |