diff options
| author | Richard Biener <rguenther@suse.de> | 2017-02-28 09:17:20 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-02-28 09:17:20 +0000 |
| commit | c7d97b2846c5647a81548caa3264d77c0a595010 (patch) | |
| tree | 2a955532ce68b68328f58a3dfcbca6d4856dbd07 /gcc | |
| parent | d03958cfdfa01c3ad63ac50c190a056f1add4dc0 (diff) | |
| download | gcc-c7d97b2846c5647a81548caa3264d77c0a595010.zip gcc-c7d97b2846c5647a81548caa3264d77c0a595010.tar.gz gcc-c7d97b2846c5647a81548caa3264d77c0a595010.tar.bz2 | |
re PR tree-optimization/79723 (Another case of dropped gs: prefix)
2017-02-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/79723
* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
address-space properly.
* gcc.target/i386/pr79723.c: New testcase.
From-SVN: r245772
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr79723.c | 10 | ||||
| -rw-r--r-- | gcc/tree-vect-stmts.c | 7 |
4 files changed, 28 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cd95521..a98a08e 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-02-28 Richard Biener <rguenther@suse.de> + + PR tree-optimization/79723 + * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve + address-space properly. + 2017-02-28 Thomas Schwinge <thomas@codesourcery.com> * doc/optinfo.texi (Optimization groups): Fix option used for diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 55edc8a..8c0514c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2017-02-28 Richard Biener <rguenther@suse.de> + + PR tree-optimization/79723 + * gcc.target/i386/pr79723.c: New testcase. + 2017-02-27 Pat Haugen <pthaugen@us.ibm.com> PR target/79544 diff --git a/gcc/testsuite/gcc.target/i386/pr79723.c b/gcc/testsuite/gcc.target/i386/pr79723.c new file mode 100644 index 0000000..0f1bdee --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr79723.c @@ -0,0 +1,10 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -msse2 -mno-avx" } */ + +void memset_pattern_seg_gs(unsigned char * __seg_gs *s, long n) +{ + for (long i = 0; i < n; ++i) + s[i] = 0; +} + +/* { dg-final { scan-assembler "mov\[au\]p.\[ \t\]\[^,\]+, %gs:" } } */ diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index f4b777e..c87f72c 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -8957,6 +8957,7 @@ free_stmt_vec_info (gimple *stmt) static tree get_vectype_for_scalar_type_and_size (tree scalar_type, unsigned size) { + tree orig_scalar_type = scalar_type; machine_mode inner_mode = TYPE_MODE (scalar_type); machine_mode simd_mode; unsigned int nbytes = GET_MODE_SIZE (inner_mode); @@ -9017,6 +9018,12 @@ get_vectype_for_scalar_type_and_size (tree scalar_type, unsigned size) && !INTEGRAL_MODE_P (TYPE_MODE (vectype))) return NULL_TREE; + /* Re-attach the address-space qualifier if we canonicalized the scalar + type. */ + if (TYPE_ADDR_SPACE (orig_scalar_type) != TYPE_ADDR_SPACE (vectype)) + return build_qualified_type + (vectype, KEEP_QUAL_ADDR_SPACE (TYPE_QUALS (orig_scalar_type))); + return vectype; } |