Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/tree-ssa/pr83198.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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111:04ced10e8804 | 131:84e7813d76e9 |
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1 /* PR tree-optimization/83198 */ | |
2 /* { dg-do compile { target __float128 } } */ | |
3 /* { dg-options "-O2 -fprintf-return-value -Wno-format -fdump-tree-optimized" } */ | |
4 /* { dg-add-options __float128 } */ | |
5 | |
6 void bar (void); | |
7 void link_error (void); | |
8 | |
9 void | |
10 foo (char *x, double y) | |
11 { | |
12 /* The expected result should not be constant but rather that | |
13 of the %f directive with an unknown argument, i.e., at least | |
14 [3, 317] (but in reality [3, 322] when taking into account | |
15 that the decimal point can be up to MB_LEN_MAX bytes long). */ | |
16 int a = __builtin_sprintf (x, "%f", 1.0Q); | |
17 if (a < 3) | |
18 link_error (); | |
19 if (a > 13) | |
20 bar (); | |
21 if (a > 322) | |
22 link_error (); | |
23 } | |
24 | |
25 /* Verify we don't optimize return value to [3, 13]. */ | |
26 /* { dg-final { scan-tree-dump-not "link_error \\(\\);" "optimized" } } */ | |
27 /* { dg-final { scan-tree-dump "bar \\(\\);" "optimized" } } */ |