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| author | Hsiangkai Wang <kai.wang@sifive.com> | 2020-07-03 22:57:59 +0800 |
|---|---|---|
| committer | Hsiangkai Wang <kai.wang@sifive.com> | 2020-12-03 09:16:33 +0800 |
| commit | f7bc7c2981d48525acbf34a26dfb450c6098582c (patch) | |
| tree | 0ca44b6949046e2cecd137ba721f2cadea7e0159 /llvm/lib/CodeGen/TargetLoweringBase.cpp | |
| parent | 3b18a594c7717a328c33b9c1eba675e9f4bd367c (diff) | |
| download | llvm-f7bc7c2981d48525acbf34a26dfb450c6098582c.zip llvm-f7bc7c2981d48525acbf34a26dfb450c6098582c.tar.gz llvm-f7bc7c2981d48525acbf34a26dfb450c6098582c.tar.bz2 | |
[RISCV] Support Zfh half-precision floating-point extension.
Support "Zfh" extension according to
https://github.com/riscv/riscv-isa-manual/blob/zfh/src/zfh.tex
Differential Revision: https://reviews.llvm.org/D90738
Diffstat (limited to 'llvm/lib/CodeGen/TargetLoweringBase.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/TargetLoweringBase.cpp | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp index e4d9b468..23b6245 100644 --- a/llvm/lib/CodeGen/TargetLoweringBase.cpp +++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp @@ -224,6 +224,8 @@ RTLIB::Libcall RTLIB::getFPEXT(EVT OpVT, EVT RetVT) { if (OpVT == MVT::f16) { if (RetVT == MVT::f32) return FPEXT_F16_F32; + if (RetVT == MVT::f64) + return FPEXT_F16_F64; if (RetVT == MVT::f128) return FPEXT_F16_F128; } else if (OpVT == MVT::f32) { @@ -287,7 +289,14 @@ RTLIB::Libcall RTLIB::getFPROUND(EVT OpVT, EVT RetVT) { /// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or /// UNKNOWN_LIBCALL if there is none. RTLIB::Libcall RTLIB::getFPTOSINT(EVT OpVT, EVT RetVT) { - if (OpVT == MVT::f32) { + if (OpVT == MVT::f16) { + if (RetVT == MVT::i32) + return FPTOSINT_F16_I32; + if (RetVT == MVT::i64) + return FPTOSINT_F16_I64; + if (RetVT == MVT::i128) + return FPTOSINT_F16_I128; + } else if (OpVT == MVT::f32) { if (RetVT == MVT::i32) return FPTOSINT_F32_I32; if (RetVT == MVT::i64) @@ -329,7 +338,14 @@ RTLIB::Libcall RTLIB::getFPTOSINT(EVT OpVT, EVT RetVT) { /// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or /// UNKNOWN_LIBCALL if there is none. RTLIB::Libcall RTLIB::getFPTOUINT(EVT OpVT, EVT RetVT) { - if (OpVT == MVT::f32) { + if (OpVT == MVT::f16) { + if (RetVT == MVT::i32) + return FPTOUINT_F16_I32; + if (RetVT == MVT::i64) + return FPTOUINT_F16_I64; + if (RetVT == MVT::i128) + return FPTOUINT_F16_I128; + } else if (OpVT == MVT::f32) { if (RetVT == MVT::i32) return FPTOUINT_F32_I32; if (RetVT == MVT::i64) @@ -372,6 +388,8 @@ RTLIB::Libcall RTLIB::getFPTOUINT(EVT OpVT, EVT RetVT) { /// UNKNOWN_LIBCALL if there is none. RTLIB::Libcall RTLIB::getSINTTOFP(EVT OpVT, EVT RetVT) { if (OpVT == MVT::i32) { + if (RetVT == MVT::f16) + return SINTTOFP_I32_F16; if (RetVT == MVT::f32) return SINTTOFP_I32_F32; if (RetVT == MVT::f64) @@ -383,6 +401,8 @@ RTLIB::Libcall RTLIB::getSINTTOFP(EVT OpVT, EVT RetVT) { if (RetVT == MVT::ppcf128) return SINTTOFP_I32_PPCF128; } else if (OpVT == MVT::i64) { + if (RetVT == MVT::f16) + return SINTTOFP_I64_F16; if (RetVT == MVT::f32) return SINTTOFP_I64_F32; if (RetVT == MVT::f64) @@ -394,6 +414,8 @@ RTLIB::Libcall RTLIB::getSINTTOFP(EVT OpVT, EVT RetVT) { if (RetVT == MVT::ppcf128) return SINTTOFP_I64_PPCF128; } else if (OpVT == MVT::i128) { + if (RetVT == MVT::f16) + return SINTTOFP_I128_F16; if (RetVT == MVT::f32) return SINTTOFP_I128_F32; if (RetVT == MVT::f64) @@ -412,6 +434,8 @@ RTLIB::Libcall RTLIB::getSINTTOFP(EVT OpVT, EVT RetVT) { /// UNKNOWN_LIBCALL if there is none. RTLIB::Libcall RTLIB::getUINTTOFP(EVT OpVT, EVT RetVT) { if (OpVT == MVT::i32) { + if (RetVT == MVT::f16) + return UINTTOFP_I32_F16; if (RetVT == MVT::f32) return UINTTOFP_I32_F32; if (RetVT == MVT::f64) @@ -423,6 +447,8 @@ RTLIB::Libcall RTLIB::getUINTTOFP(EVT OpVT, EVT RetVT) { if (RetVT == MVT::ppcf128) return UINTTOFP_I32_PPCF128; } else if (OpVT == MVT::i64) { + if (RetVT == MVT::f16) + return UINTTOFP_I64_F16; if (RetVT == MVT::f32) return UINTTOFP_I64_F32; if (RetVT == MVT::f64) @@ -434,6 +460,8 @@ RTLIB::Libcall RTLIB::getUINTTOFP(EVT OpVT, EVT RetVT) { if (RetVT == MVT::ppcf128) return UINTTOFP_I64_PPCF128; } else if (OpVT == MVT::i128) { + if (RetVT == MVT::f16) + return UINTTOFP_I128_F16; if (RetVT == MVT::f32) return UINTTOFP_I128_F32; if (RetVT == MVT::f64) |