// REQUIRES: arm-registered-target // RUN: %clang_cc1 -triple armv7 -target-feature +neon %s -emit-llvm -o /dev/null char bar(); void t1(int x, char y) { __asm__ volatile("mcr p15, 0, %1, c9, c12, 5;" "mrc p15, 0, %0, c9, c13, 2;" : "=r" (x) : "r" (bar())); // no warning __asm__ volatile("foo %0, %1" : "+r" (x), "+r" (y) :); __asm__ volatile("ldrb %0, [%1]" : "=r" (y) : "r" (x)); // no warning } // <rdar://problem/12284092> typedef __attribute__((neon_vector_type(2))) long long int64x2_t; typedef struct int64x2x4_t { int64x2_t val[4]; } int64x2x4_t; int64x2x4_t t2(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; } |