File: arm-asm-diag.c

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (23 lines) | stat: -rw-r--r-- 1,479 bytes parent folder | download | duplicates (29)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
// REQUIRES: arm-registered-target
// RUN: not %clang_cc1 -triple armv7 -target-feature +neon %s -S -o /dev/null 2>&1 | FileCheck %s

// rdar://13446483
typedef __attribute__((neon_vector_type(2))) long long int64x2_t;
typedef struct int64x2x4_t {
  int64x2_t val[4];
} int64x2x4_t;
int64x2x4_t t1(const long long a[]) {
  int64x2x4_t r;
  __asm__("vldm %[a], { %q[r0], %q[r1], %q[r2], %q[r3] }"
          : [r0] "=r"(r.val[0]), // expected-warning {{value size does not match register size specified by the constraint and modifier}}
            [r1] "=r"(r.val[1]), // expected-warning {{value size does not match register size specified by the constraint and modifier}}
            [r2] "=r"(r.val[2]), // expected-warning {{value size does not match register size specified by the constraint and modifier}}
            [r3] "=r"(r.val[3])  // expected-warning {{value size does not match register size specified by the constraint and modifier}}
          : [a] "r"(a));
  return r;
}
// We should see all four errors, rather than report a fatal error after the first.
// CHECK: error: non-trivial scalar-to-vector conversion, possible invalid constraint for vector type
// CHECK: error: non-trivial scalar-to-vector conversion, possible invalid constraint for vector type
// CHECK: error: non-trivial scalar-to-vector conversion, possible invalid constraint for vector type
// CHECK: error: non-trivial scalar-to-vector conversion, possible invalid constraint for vector type