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| author | liuhongt <hongtao.liu@intel.com> | 2023-11-06 10:58:15 +0800 |
|---|---|---|
| committer | liuhongt <hongtao.liu@intel.com> | 2023-11-06 18:35:55 +0800 |
| commit | f463ef79ddb403570461343ebda0c1aeac85d5bb (patch) | |
| tree | 3e4643caed9244a064f6c96a8a7bbcf66c0ab7eb | |
| parent | 3d654f96d4c583c35e4f73aa8f11371730671534 (diff) | |
| download | gcc-f463ef79ddb403570461343ebda0c1aeac85d5bb.zip gcc-f463ef79ddb403570461343ebda0c1aeac85d5bb.tar.gz gcc-f463ef79ddb403570461343ebda0c1aeac85d5bb.tar.bz2 | |
Avoid generating RTL code when d->testing_p.
gcc/ChangeLog:
PR target/112393
* config/i386/i386-expand.cc (ix86_expand_vec_perm_vpermt2):
Avoid generating RTL code when d->testing_p.
gcc/testsuite/ChangeLog:
* gcc.target/i386/pr112393.c: New test.
| -rw-r--r-- | gcc/config/i386/i386-expand.cc | 3 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr112393.c | 20 |
2 files changed, 23 insertions, 0 deletions
diff --git a/gcc/config/i386/i386-expand.cc b/gcc/config/i386/i386-expand.cc index 6ae5830..8fad73c 100644 --- a/gcc/config/i386/i386-expand.cc +++ b/gcc/config/i386/i386-expand.cc @@ -5245,6 +5245,9 @@ ix86_expand_vec_perm_vpermt2 (rtx target, rtx mask, rtx op0, rtx op1, if (gen == NULL) return false; + if (d && d->testing_p) + return true; + /* ix86_expand_vec_perm_vpermt2 is called from both const and non-const expander, so args are either in d, or in op0, op1 etc. */ if (d) diff --git a/gcc/testsuite/gcc.target/i386/pr112393.c b/gcc/testsuite/gcc.target/i386/pr112393.c new file mode 100644 index 0000000..c5c5b95 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr112393.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-mavx512f -Wuninitialized" } */ +typedef _Float16 __attribute__((__vector_size__ (32))) V; + +V v; + +void +foo (void) +{ + (void) __builtin_shufflevector (v, __builtin_shufflevector (v, (V){}, + 3, 0, 2, 2, + 5, 6, 3, 7, 5, + 6, 0, 8, 6, 4, + 3, 2, 8, 9, 5, + 8, 8, 7, 5, 4, + 8, 9, 1, 2, 4, + 9, 9, 7), + 40, 33); +} + |