20 lines
686 B
C
20 lines
686 B
C
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// RUN: %clang_cc1 %s -triple armv7-apple-darwin -verify -fsyntax-only
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void f (void) {
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int Val;
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asm volatile ("lw (r1), %0[val]": "=&b"(Val)); // expected-error {{invalid output constraint '=&b' in asm}}
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return;
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}
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void test_64bit_r(void) {
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long long foo = 0, bar = 0;
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asm volatile("INST %0, %1" : "=r"(foo) : "r"(bar));
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}
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void test_clobber_conflict(void) {
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register int x asm("r1");
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asm volatile("nop" :: "r"(x) : "%r1"); // expected-error {{conflicts with asm clobber list}}
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asm volatile("nop" :: "l"(x) : "%r1"); // expected-error {{conflicts with asm clobber list}}
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asm volatile("nop" : "=r"(x) :: "%r1"); // expected-error {{conflicts with asm clobber list}}
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}
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