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-rw-r--r--compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs38
1 files changed, 20 insertions, 18 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs
index 30e3d1125..1f358b1bb 100644
--- a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs
+++ b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs
@@ -14,7 +14,7 @@ fn report_simd_type_validation_error(
) {
fx.tcx.sess.span_err(span, &format!("invalid monomorphization of `{}` intrinsic: expected SIMD input type, found non-SIMD `{}`", intrinsic, ty));
// Prevent verifier error
- crate::trap::trap_unreachable(fx, "compilation should not have succeeded");
+ fx.bcx.ins().trap(TrapCode::UnreachableCodeReached);
}
pub(super) fn codegen_simd_intrinsic_call<'tcx>(
@@ -157,7 +157,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
),
);
// Prevent verifier error
- crate::trap::trap_unreachable(fx, "compilation should not have succeeded");
+ fx.bcx.ins().trap(TrapCode::UnreachableCodeReached);
return;
}
}
@@ -186,7 +186,10 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let size = Size::from_bytes(
4 * ret_lane_count, /* size_of([u32; ret_lane_count]) */
);
- alloc.inner().get_bytes(fx, alloc_range(offset, size)).unwrap()
+ alloc
+ .inner()
+ .get_bytes_strip_provenance(fx, alloc_range(offset, size))
+ .unwrap()
}
_ => unreachable!("{:?}", idx_const),
};
@@ -274,12 +277,17 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
idx_const
} else {
fx.tcx.sess.span_warn(span, "Index argument for `simd_extract` is not a constant");
- let res = crate::trap::trap_unimplemented_ret_value(
+ let trap_block = fx.bcx.create_block();
+ let dummy_block = fx.bcx.create_block();
+ let true_ = fx.bcx.ins().iconst(types::I8, 1);
+ fx.bcx.ins().brnz(true_, trap_block, &[]);
+ fx.bcx.ins().jump(dummy_block, &[]);
+ fx.bcx.switch_to_block(trap_block);
+ crate::trap::trap_unimplemented(
fx,
- ret.layout(),
"Index argument for `simd_extract` is not a constant",
);
- ret.write_cvalue(fx, res);
+ fx.bcx.switch_to_block(dummy_block);
return;
};
@@ -392,21 +400,15 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>(
let layout = a.layout();
let (lane_count, lane_ty) = layout.ty.simd_size_and_type(fx.tcx);
+ let res_lane_layout = fx.layout_of(lane_ty);
for lane in 0..lane_count {
- let a_lane = a.value_lane(fx, lane);
- let b_lane = b.value_lane(fx, lane);
- let c_lane = c.value_lane(fx, lane);
+ let a_lane = a.value_lane(fx, lane).load_scalar(fx);
+ let b_lane = b.value_lane(fx, lane).load_scalar(fx);
+ let c_lane = c.value_lane(fx, lane).load_scalar(fx);
- let res_lane = match lane_ty.kind() {
- ty::Float(FloatTy::F32) => {
- fx.easy_call("fmaf", &[a_lane, b_lane, c_lane], lane_ty)
- }
- ty::Float(FloatTy::F64) => {
- fx.easy_call("fma", &[a_lane, b_lane, c_lane], lane_ty)
- }
- _ => unreachable!(),
- };
+ let res_lane = fx.bcx.ins().fma(a_lane, b_lane, c_lane);
+ let res_lane = CValue::by_val(res_lane, res_lane_layout);
ret.place_lane(fx, lane).write_cvalue(fx, res_lane);
}