e0ac46e69d
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d. This commit wasn't reviewed ahead of time and significant concerns were raised immediately after it landed. According to our developer policy this warrants immediate revert of the commit. https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy Differential Revision: https://reviews.llvm.org/D155509
33 lines
1.4 KiB
C
33 lines
1.4 KiB
C
// REQUIRES: arm-registered-target
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// RUN: %clang_cc1 -triple armv7 -target-feature +neon %s -emit-llvm -o /dev/null
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char bar();
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void t1(int x, char y) {
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__asm__ volatile("mcr p15, 0, %1, c9, c12, 5;"
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"mrc p15, 0, %0, c9, c13, 2;"
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: "=r" (x)
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: "r" (bar())); // no warning
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__asm__ volatile("foo %0, %1"
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: "+r" (x),
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"+r" (y)
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:);
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__asm__ volatile("ldrb %0, [%1]" : "=r" (y) : "r" (x)); // no warning
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}
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// <rdar://problem/12284092>
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typedef __attribute__((neon_vector_type(2))) long long int64x2_t;
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typedef struct int64x2x4_t {
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int64x2_t val[4];
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} int64x2x4_t;
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int64x2x4_t t2(const long long a[]) {
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int64x2x4_t r;
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__asm__("vldm %[a], { %q[r0], %q[r1], %q[r2], %q[r3] }"
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: [r0] "=r"(r.val[0]), // expected-warning {{value size does not match register size specified by the constraint and modifier}}
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[r1] "=r"(r.val[1]), // expected-warning {{value size does not match register size specified by the constraint and modifier}}
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[r2] "=r"(r.val[2]), // expected-warning {{value size does not match register size specified by the constraint and modifier}}
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[r3] "=r"(r.val[3]) // expected-warning {{value size does not match register size specified by the constraint and modifier}}
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: [a] "r"(a));
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return r;
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}
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