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Error on non-constant simd_insert/simd_extract index

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This commit is contained in:
bjorn3 2020-10-16 14:03:29 +02:00
parent 4971028775
commit 0416f122aa
1 changed files with 6 additions and 11 deletions
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17
src/intrinsics/simd.rs
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@ -121,12 +121,10 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let idx_const = if let Some(idx_const) = crate::constant::mir_operand_get_const_val(fx, idx) {
idx_const
} else {
fx.tcx.sess.span_warn(
fx.mir.span,
"`#[rustc_arg_required_const(..)]` is not yet supported. Calling this function will panic.",
fx.tcx.sess.span_fatal(
span,
"Index argument for `simd_insert` is not a constant",
);
crate::trap::trap_unimplemented(fx, "`#[rustc_arg_required_const(..)]` is not yet supported.");
return;
};
let idx = idx_const.val.try_to_bits(Size::from_bytes(4 /* u32*/)).expect(&format!("kind not scalar: {:?}", idx_const));
@ -145,13 +143,10 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let idx_const = if let Some(idx_const) = crate::constant::mir_operand_get_const_val(fx, idx) {
idx_const
} else {
fx.tcx.sess.span_warn(
fx.mir.span,
"`#[rustc_arg_required_const(..)]` is not yet supported. Calling this function will panic.",
fx.tcx.sess.span_fatal(
span,
"Index argument for `simd_extract` is not a constant",
);
let val = crate::trap::trap_unimplemented_ret_value(fx, ret.layout(), "`#[rustc_arg_required_const(..)]` is not yet supported.");
ret.write_cvalue(fx, val);
return;
};
let idx = idx_const.val.try_to_bits(Size::from_bytes(4 /* u32*/)).expect(&format!("kind not scalar: {:?}", idx_const));