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| author | Ian Lance Taylor <iant@golang.org> | 2023-06-26 09:57:21 -0700 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2023-06-26 09:57:21 -0700 |
| commit | aa1e672b5d99102b03eb5fb9c51609c45f62bff7 (patch) | |
| tree | 886212591b1c9d127eaaf234a4a2e22452ea384a /gcc/testsuite/gdc.dg | |
| parent | 97e31a0a2a2d2273687fcdb4e5416aab1a2186e1 (diff) | |
| parent | 3a39a31b8ae9c6465434aefa657f7fcc86f905c0 (diff) | |
| download | gcc-devel/gccgo.zip gcc-devel/gccgo.tar.gz gcc-devel/gccgo.tar.bz2 | |
Merge from trunk revision 3a39a31b8ae9c6465434aefa657f7fcc86f905c0.devel/gccgo
Diffstat (limited to 'gcc/testsuite/gdc.dg')
| -rw-r--r-- | gcc/testsuite/gdc.dg/pr110359.d | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gdc.dg/pr110359.d b/gcc/testsuite/gdc.dg/pr110359.d new file mode 100644 index 0000000..bf69201 --- /dev/null +++ b/gcc/testsuite/gdc.dg/pr110359.d @@ -0,0 +1,22 @@ +// https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110359 +// { dg-do compile } +// { dg-options "-fdump-tree-original" } +double pow(in double x, in ulong p) +{ + import gcc.builtins : __builtin_expect; + if (__builtin_expect(p == 0, false)) + return 1; + if (__builtin_expect(p == 1, false)) + return x; + + double s = x; + double v = 1; + for (ulong i = p; i > 1; i >>= 1) + { + v = (i & 0x1) ? s * v : v; + s = s * s; + } + return v * s; +} +// { dg-final { scan-tree-dump "if \\(__builtin_expect \\(p == 0, 0\\) != 0\\)" "original" } } +// { dg-final { scan-tree-dump "if \\(__builtin_expect \\(p == 1, 0\\) != 0\\)" "original" } } |