[PATCH] D68857: [X86] Add strict fp support for operations of X87 instructions
LiuChen via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 25 23:39:06 PST 2019
LiuChen3 marked an inline comment as done.
LiuChen3 added inline comments.
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Comment at: llvm/test/CodeGen/X86/fp-strict-scalar.ll:18
declare float @llvm.experimental.constrained.fdiv.f32(float, float, metadata, metadata)
declare double @llvm.experimental.constrained.fpext.f64.f32(float, metadata)
declare float @llvm.experimental.constrained.fptrunc.f64.f32(double, metadata, metadata)
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Hi, Craig. Is the sequence of "fpext.**f64.f32**" important? I thought it should be fpext.sourcetype.destinationtype, but fpext.f64.f32 can output right code, too.
Did this Intrinsic only use pass value type fpext.f64.f32(**float**, metadata) and return value type **double** to determine the source type and return type?
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https://reviews.llvm.org/D68857/new/
https://reviews.llvm.org/D68857
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