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comparison gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-65.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 /* { dg-do compile } */
2 /* { dg-options "-O -fdump-tree-fre1-details -fdump-tree-dse1-details" } */
3
4 typedef unsigned char v16qi __attribute__((vector_size(16)));
5 typedef unsigned short v8hi __attribute__((vector_size(16)));
6 typedef unsigned int v4si __attribute__((vector_size(16)));
7 void foo(char *dest)
8 {
9 unsigned char x[256] __attribute__((aligned(16)));
10 __builtin_memset (x, 23, 256);
11 v16qi resqi = *(v16qi *)&x[16];
12 v8hi reshi = *(v8hi *)&x[16];
13 v4si ressi = *(v4si *)&x[16];
14 *(v16qi *)dest = resqi;
15 *(v8hi *)(dest + 16) = reshi;
16 *(v4si *)(dest + 32) = ressi;
17 }
18
19 /* { dg-final { scan-tree-dump-times "Replaced MEM" 3 "fre1" } } */
20 /* { dg-final { scan-tree-dump-times "Deleted dead call" 1 "dse1" } } */