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| author | Richard Biener <rguenther@suse.de> | 2023-11-06 08:58:18 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2023-11-06 09:55:27 +0100 |
| commit | d803438e0c4016aff720fad418377c5b13567063 (patch) | |
| tree | db7dacb71da4e2456017c0b1b0adbbd0a6e7f8c2 /gcc | |
| parent | 3f9ff6e81b2554ed87131b3c6d25cf72130fbbfc (diff) | |
| download | gcc-d803438e0c4016aff720fad418377c5b13567063.zip gcc-d803438e0c4016aff720fad418377c5b13567063.tar.gz gcc-d803438e0c4016aff720fad418377c5b13567063.tar.bz2 | |
tree-optimization/112369 - strip_float_extensions and vectors
The following fixes an error in strip_float_extensions when facing
vector conversions.
PR tree-optimization/112369
* tree.cc (strip_float_extensions): Use element_precision.
* gcc.dg/pr112369.c: New testcase.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr112369.c | 23 | ||||
| -rw-r--r-- | gcc/tree.cc | 2 |
2 files changed, 24 insertions, 1 deletions
diff --git a/gcc/testsuite/gcc.dg/pr112369.c b/gcc/testsuite/gcc.dg/pr112369.c new file mode 100644 index 0000000..677e354 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr112369.c @@ -0,0 +1,23 @@ +/* { dg-do compile } */ +/* { dg-options "-O3" } */ +/* { dg-additional-options "-mavx2" { target avx2 } } */ + +struct GdkRGBA2 { + double a[4]; +}; +struct GdkRGBA3 { + float a[4]; +}; +struct GdkRGBA3 f(struct GdkRGBA2 *color) { + struct GdkRGBA3 t1; + for(int i = 0; i < 4; i++) + t1.a[i] = color->a[i]; + struct GdkRGBA3 t2; + for(int i = 0; i < 4; i++) + { + float tmp = t1.a[i]; + if (__builtin_isnan(tmp)) + t2.a[i] = tmp; + } + return t2; +} diff --git a/gcc/tree.cc b/gcc/tree.cc index cfead15..9c9b057 100644 --- a/gcc/tree.cc +++ b/gcc/tree.cc @@ -12138,7 +12138,7 @@ strip_float_extensions (tree exp) if (DECIMAL_FLOAT_TYPE_P (expt) != DECIMAL_FLOAT_TYPE_P (subt)) return exp; - if (TYPE_PRECISION (subt) > TYPE_PRECISION (expt)) + if (element_precision (subt) > element_precision (expt)) return exp; return strip_float_extensions (sub); |