bjoernager/rust
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remove simd_reduce_{min,max}_nanless

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This commit is contained in:
Ralf Jung 2024-02-18 09:36:36 +01:00
parent 3dc631a61a
commit 07b6240947
10 changed files with 10 additions and 69 deletions
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13
compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
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@ -418,17 +418,11 @@ extern "C" LLVMAttributeRef LLVMRustCreateMemoryEffectsAttr(LLVMContextRef C,
}
}
<<<<<<< HEAD
// Enable all fast-math flags, including those which will cause floating-point operations
// to return poison for some well-defined inputs. This function can only be used to build
// unsafe Rust intrinsics. That unsafety does permit additional optimizations, but at the
// time of writing, their value is not well-understood relative to those enabled by
// LLVMRustSetAlgebraicMath.
||||||| parent of 019019d83e2 (make simd_reduce_{mul,add}_unordered use only the 'reassoc' flag, not all fast-math flags)
// Enable a fast-math flag
=======
// Enable all fast-math flags
>>>>>>> 019019d83e2 (make simd_reduce_{mul,add}_unordered use only the 'reassoc' flag, not all fast-math flags)
//
// https://llvm.org/docs/LangRef.html#fast-math-flags
extern "C" void LLVMRustSetFastMath(LLVMValueRef V) {
@ -456,7 +450,12 @@ extern "C" void LLVMRustSetAlgebraicMath(LLVMValueRef V) {
}
}
// Enable the reassoc fast-math flag
// Enable the reassoc fast-math flag, allowing transformations that pretend
// floating-point addition and multiplication are associative.
//
// Note that this does NOT enable any flags which can cause a floating-point operation on
// well-defined inputs to return poison, and therefore this function can be used to build
// safe Rust intrinsics (such as fadd_algebraic).
//
// https://llvm.org/docs/LangRef.html#fast-math-flags
extern "C" void LLVMRustSetAllowReassoc(LLVMValueRef V) {