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| author | Uros Bizjak <ubizjak@gmail.com> | 2016-12-29 22:41:07 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2016-12-29 22:41:07 +0100 |
| commit | a455baa99483a4f5a1e667f35bf682e3f3071f53 (patch) | |
| tree | 3429e240878ad3f1f8637215c6971fd52e431d4a /gcc/testsuite | |
| parent | 2ae2d394c1f9928fcb4bb7efdf9874edb787936a (diff) | |
| download | gcc-a455baa99483a4f5a1e667f35bf682e3f3071f53.zip gcc-a455baa99483a4f5a1e667f35bf682e3f3071f53.tar.gz gcc-a455baa99483a4f5a1e667f35bf682e3f3071f53.tar.bz2 | |
re PR target/78904 (zero-extracts are not effective)
PR target/78904
* config/i386/i386.md (*extvqi): Remove insn pattern.
(divmodqi4): Update expander to generate QImode zero-extract from AH.
testsuite/ChangeLog:
PR target/78904
* gcc.target/i386/pr78904-6.c: New test.
From-SVN: r243968
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr78904-6.c | 21 |
2 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 46d4732..dc47c62 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-12-29 Uros Bizjak <ubizjak@gmail.com> + + PR target/78904 + * gcc.target/i386/pr78904-6.c: New test. + 2016-12-29 Jakub Jelinek <jakub@redhat.com> * gcc.target/i386/mpx/memcpy-1.c: Include mpx-check.h. diff --git a/gcc/testsuite/gcc.target/i386/pr78904-6.c b/gcc/testsuite/gcc.target/i386/pr78904-6.c new file mode 100644 index 0000000..2fad223 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr78904-6.c @@ -0,0 +1,21 @@ +/* PR target/78904 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -masm=att" } */ + +typedef __SIZE_TYPE__ size_t; + +struct S1 +{ + char pad1; + char val; + short pad2; +}; + +extern char t[256]; + +void foo (struct S1 a, size_t i) +{ + t[i] = a.val; +} + +/* { dg-final { scan-assembler "\[ \t\]movb\[\t \]*%.h," } } */ |