diff options
Diffstat (limited to 'compiler/rustc_codegen_gcc/src/intrinsic/simd.rs')
| -rw-r--r-- | compiler/rustc_codegen_gcc/src/intrinsic/simd.rs | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs b/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs index b59c3a64f57..9115cf97119 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs @@ -165,10 +165,15 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>( InvalidMonomorphizationReturnIntegerType { span, name, ret_ty, out_ty } ); + let arg1 = args[0].immediate(); + // NOTE: we get different vector types for the same vector type and libgccjit doesn't + // compare them as equal, so bitcast. + // FIXME(antoyo): allow comparing vector types as equal in libgccjit. + let arg2 = bx.context.new_bitcast(None, args[1].immediate(), arg1.get_type()); return Ok(compare_simd_types( bx, - args[0].immediate(), - args[1].immediate(), + arg1, + arg2, in_elem, llret_ty, cmp_op, @@ -341,7 +346,8 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>( // endian and MSB-first for big endian. let vector = args[0].immediate(); - let vector_type = vector.get_type().dyncast_vector().expect("vector type"); + // TODO(antoyo): dyncast_vector should not require a call to unqualified. + let vector_type = vector.get_type().unqualified().dyncast_vector().expect("vector type"); let elem_type = vector_type.get_element_type(); let expected_int_bits = in_len.max(8); @@ -848,7 +854,8 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>( (true, true) => { // Algorithm from: https://codereview.stackexchange.com/questions/115869/saturated-signed-addition // TODO(antoyo): improve using conditional operators if possible. - let arg_type = lhs.get_type(); + // TODO(antoyo): dyncast_vector should not require a call to unqualified. + let arg_type = lhs.get_type().unqualified(); // TODO(antoyo): convert lhs and rhs to unsigned. let sum = lhs + rhs; let vector_type = arg_type.dyncast_vector().expect("vector type"); @@ -878,7 +885,8 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>( res & cmp }, (true, false) => { - let arg_type = lhs.get_type(); + // TODO(antoyo): dyncast_vector should not require a call to unqualified. + let arg_type = lhs.get_type().unqualified(); // TODO(antoyo): this uses the same algorithm from saturating add, but add the // negative of the right operand. Find a proper subtraction algorithm. let rhs = bx.context.new_unary_op(None, UnaryOp::Minus, arg_type, rhs); |