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annotate gcc/testsuite/gcc.dg/tree-ssa/prefetch-9.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */
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2 /* { dg-options "-O2 -fprefetch-loop-arrays -march=amdfam10 --param simultaneous-prefetches=100 -fdump-tree-aprefetch-details -fdump-tree-optimized" } */
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3
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4 #define K 1000000
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5 int a[K], b[K];
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6
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7 void test()
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8 {
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9 unsigned i;
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10
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11 /* Nontemporal store should be used for a, nontemporal prefetch for b. */
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12 for (i = 0; i < K; i++)
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13 a[i] = b[i];
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14
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15 }
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16
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17 /* { dg-final { scan-tree-dump-times "Issued nontemporal prefetch" 1 "aprefetch" } } */
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18 /* { dg-final { scan-tree-dump-times "a nontemporal store" 1 "aprefetch" } } */
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19
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20 /* { dg-final { scan-tree-dump-times "builtin_prefetch" 1 "optimized" } } */
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21 /* { dg-final { scan-tree-dump "=\\{nt\\}" "optimized" } } */
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22 /* { dg-final { scan-tree-dump-times "__builtin_ia32_mfence" 1 "optimized" } } */