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annotate gcc/testsuite/gcc.dg/pr46212.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* PR rtl-optimization/46212 */
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2 /* { dg-do compile } */
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3 /* { dg-options "-O3 -funroll-loops" } */
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4 /* { dg-options "-O3 -funroll-loops -march=i386" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
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5 /* { dg-require-effective-target int32plus } */
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6
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7 static inline unsigned
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8 foo (void *x)
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9 {
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10 unsigned y = *(volatile unsigned *) (x);
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11 return (y >> 24) | ((y >> 8) & 0xff00) | ((y & 0xff00) << 8) | (y << 24);
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12 }
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13
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14 void
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15 bar (void *x, void *y, int z)
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16 {
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17 unsigned c;
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18 while (z--)
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19 {
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20 c = foo (y);
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21 *(unsigned *) x = (c & 0xf80000) >> 9 | (c & 0xf800) >> 6
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22 | (c & 0xf8) >> 3 | (c & 0x80000000) >> 16;
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23 }
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24 }