5e1a2fc70a
* config/i386/i386.md (andsi_1+1): Allow HImode. (andsi_1+2): Require q_regs_operand. * gcc.dg/20000720-1.c: New test. From-SVN: r35249
40 lines
816 B
C
40 lines
816 B
C
/* { dg-do compile { target i?86-*-* } } */
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/* { dg-options "-mpreferred-stack-boundary=2 -march=i586 -O2 -fomit-frame-pointer" } */
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extern void *foo(void *a, const void *b, unsigned c);
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extern inline void *
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bar(void *a, const void *b, unsigned c)
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{
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int d0, d1, d2;
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__asm__ __volatile__(
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"" :
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"=&c" (d0), "=&D" (d1), "=&S" (d2) :
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"0" (c/4), "q" (c), "1" (a), "2" (b) :
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"memory");
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return a;
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}
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typedef struct {
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unsigned char a;
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unsigned b : 2;
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unsigned c : 4;
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unsigned d : 2;
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} *baz;
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static int
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dead(unsigned short *v, char *w, unsigned char *x, int y, int z)
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{
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int i = 0;
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unsigned short j = *v;
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while (y > 0) {
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((baz)x)->a = j;
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((baz)x)->b = 0;
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((baz)x)->c = 0;
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((baz)x)->d = 0;
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__builtin_constant_p(i) ? foo(x, w, i) : bar(x, w, i);
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}
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return z - y;
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}
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