5a575f77fd
PR rtl-optimization/21041 * reload.c (find_reloads_subreg_address): Replace paradoxical subreg of MEM by widened access only if the resulting memory is properly aligned, even on !STRICT_ALIGNMENT targets. PR rtl-optimization/21041 * gcc.dg/pr21041.c: New test. From-SVN: r108760
42 lines
807 B
C
42 lines
807 B
C
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/* { dg-do compile { target fpic } } */
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/* { dg-options "-O2 -fPIC" } */
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struct args
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{
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short int matrix[8][8];
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char **current;
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};
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int test (struct args *args, char *init, int a, int b)
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{
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int i, j, k;
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if (!args || a > b || a < 0)
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return -1;
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for (i = 0; i < 2; i++)
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{
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char *dest = *args->current;
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char *p = dest;
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for (j = 0; j < 8; j++)
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*p++ = *init++;
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for (k = 0; k < 8; k++)
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{
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short int *blockvals = &args->matrix[k][0];
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dest[0] += blockvals[0];
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dest[1] += blockvals[1];
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dest[2] += blockvals[2];
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dest[3] += blockvals[3];
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dest[4] += blockvals[4];
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dest[5] += blockvals[5];
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dest[6] += blockvals[6];
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dest[7] += blockvals[7];
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}
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}
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return 1;
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}
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