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Forbid old-style simd_shuffleN intrinsics

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This commit is contained in:
Oli Scherer 2023-07-10 13:03:48 +00:00
parent 2e6ac7fe5b
commit 4457ef2c6d
16 changed files with 384 additions and 371 deletions
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4
compiler/rustc_codegen_ssa/src/mir/block.rs
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@ -862,11 +862,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
.iter()
.enumerate()
.map(|(i, arg)| {
// The indices passed to simd_shuffle* in the
// The indices passed to simd_shuffle in the
// third argument must be constant. This is
// checked by const-qualification, which also
// promotes any complex rvalues to constants.
if i == 2 && intrinsic.as_str().starts_with("simd_shuffle") {
if i == 2 && intrinsic == sym::simd_shuffle {
if let mir::Operand::Constant(constant) = arg {
let (llval, ty) = self.simd_shuffle_indices(&bx, constant);
return OperandRef {