Files
clang-p2996/clang/test/CodeGen/aarch64-sve-inline-asm-negative-test.c
Kerry McLaughlin af64948e2a [SVE][Inline-Asm] Add constraints for SVE ACLE types
Summary:
Adds the constraints described below to ensure that we
can tie variables of SVE ACLE types to operands in inline-asm:
 - y: SVE registers Z0-Z7
 - Upl: One of the low eight SVE predicate registers (P0-P7)
 - Upa: Full range of SVE predicate registers (P0-P15)

Reviewers: sdesmalen, huntergr, rovka, cameron.mcinally, efriedma, rengolin

Reviewed By: efriedma

Subscribers: miyuki, tschuett, rkruppe, psnobl, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D75690
2020-03-17 11:04:19 +00:00

22 lines
513 B
C

// REQUIRES: aarch64-registered-target
// RUN: not %clang_cc1 -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns \
// RUN: -target-feature +neon -S -O1 -o - %s | FileCheck %s
// Assembler error
// Output constraint : Set a vector constraint on an integer
__SVFloat32_t funcB2()
{
__SVFloat32_t ret ;
asm volatile (
"fmov %[ret], wzr \n"
: [ret] "=w" (ret)
:
:);
return ret ;
}
// CHECK: funcB2
// CHECK-ERROR: error: invalid operand for instruction