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comparison gcc/testsuite/gcc.dg/tm/memopt-4.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900 (2017-10-27)
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68:561a7518be6b 111:04ced10e8804
1 /* { dg-do compile } */
2 /* { dg-options "-fgnu-tm -O -fdump-tree-tmedge" } */
3
4 /* Test thread-local memory optimizations: save/restore pairs. */
5
6 struct large { int x[100]; };
7 struct large bark();
8 extern int test (void) __attribute__((transaction_safe));
9 extern int readint (void);
10
11 int f()
12 {
13 int i = readint();
14 struct large lala = bark();
15 __transaction_atomic {
16 lala.x[55] = 666;
17 if (test())
18 __transaction_cancel;
19 }
20 return lala.x[i];
21 }
22
23 /* { dg-final { scan-tree-dump-times "tm_save.\[0-9_\]+ = lala.x\\\[55\\\]" 1 "tmedge" } } */
24 /* { dg-final { scan-tree-dump-times "lala.x\\\[55\\\] = tm_save" 1 "tmedge" } } */