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| author | Ahmed Bougacha <ahmed.bougacha@gmail.com> | 2017-01-20 01:37:24 +0000 |
|---|---|---|
| committer | Ahmed Bougacha <ahmed.bougacha@gmail.com> | 2017-01-20 01:37:24 +0000 |
| commit | d294823930f4815eab824ae56ca7e6d9b1e8134c (patch) | |
| tree | 6e4c0d4e89f24d446778672b68e28f10b149fad2 /llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp | |
| parent | 7eb7507aeb3552400c8a1f4dc82bb2212260c0da (diff) | |
| download | bcm5719-llvm-d294823930f4815eab824ae56ca7e6d9b1e8134c.tar.gz bcm5719-llvm-d294823930f4815eab824ae56ca7e6d9b1e8134c.zip | |
[AArch64][GlobalISel] Widen scalar int->fp conversions.
It's incorrect to ignore the higher bits of the integer source.
Teach the legalizer how to widen it.
llvm-svn: 292563
Diffstat (limited to 'llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp b/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp index 48838f28b4b..dad390b752c 100644 --- a/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp +++ b/llvm/lib/Target/AArch64/AArch64LegalizerInfo.cpp @@ -141,12 +141,18 @@ AArch64LegalizerInfo::AArch64LegalizerInfo() { setAction({G_TRUNC, 1, Ty}, Legal); // Conversions - for (auto Ty : { s1, s8, s16, s32, s64 }) { + for (auto Ty : { s32, s64 }) { setAction({G_FPTOSI, 0, Ty}, Legal); setAction({G_FPTOUI, 0, Ty}, Legal); setAction({G_SITOFP, 1, Ty}, Legal); setAction({G_UITOFP, 1, Ty}, Legal); } + for (auto Ty : { s1, s8, s16 }) { + setAction({G_FPTOSI, 0, Ty}, Legal); + setAction({G_FPTOUI, 0, Ty}, Legal); + setAction({G_SITOFP, 1, Ty}, WidenScalar); + setAction({G_UITOFP, 1, Ty}, WidenScalar); + } for (auto Ty : { s32, s64 }) { setAction({G_FPTOSI, 1, Ty}, Legal); |
