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| author | Jakub Jelinek <jakub@redhat.com> | 2019-02-05 23:00:29 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-02-05 23:00:29 +0100 |
| commit | 6fc4ecbc55bbf1995513102bba88a934b51a146b (patch) | |
| tree | a7a00d3187e66876acc0aa089690b467881ecad7 | |
| parent | 0d806438807541d31a759f687279e704ad103609 (diff) | |
| download | gcc-6fc4ecbc55bbf1995513102bba88a934b51a146b.zip gcc-6fc4ecbc55bbf1995513102bba88a934b51a146b.tar.gz gcc-6fc4ecbc55bbf1995513102bba88a934b51a146b.tar.bz2 | |
re PR rtl-optimization/11304 (Wrong code production with -fomit-frame-pointer)
PR rtl-optimization/11304
* gcc.target/i386/call-1.c (set_eax): Add "eax" clobber.
* gcc.target/i386/call-2.c: New test.
From-SVN: r268562
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/call-1.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/call-2.c | 12 |
3 files changed, 19 insertions, 1 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 71ea366..4ae0914 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2019-02-05 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/11304 + * gcc.target/i386/call-1.c (set_eax): Add "eax" clobber. + * gcc.target/i386/call-2.c: New test. + 2019-02-05 Marek Polacek <polacek@redhat.com> PR c++/89158 - by-value capture of constexpr variable broken. diff --git a/gcc/testsuite/gcc.target/i386/call-1.c b/gcc/testsuite/gcc.target/i386/call-1.c index bd7c569..a2693a3 100644 --- a/gcc/testsuite/gcc.target/i386/call-1.c +++ b/gcc/testsuite/gcc.target/i386/call-1.c @@ -11,7 +11,7 @@ volatile int r; void set_eax(int val) { - __asm__ __volatile__ ("mov %0, %%eax" : : "m" (val)); + __asm__ __volatile__ ("mov %0, %%eax" : : "m" (val) : "eax"); } void foo(int val) diff --git a/gcc/testsuite/gcc.target/i386/call-2.c b/gcc/testsuite/gcc.target/i386/call-2.c new file mode 100644 index 0000000..0dffcac --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/call-2.c @@ -0,0 +1,12 @@ +/* PR optimization/11304 */ +/* Originator: <manuel.serrano@sophia.inria.fr> */ +/* { dg-do run } */ +/* { dg-options "-O -fomit-frame-pointer" } */ + +/* Verify that %eax is always restored after a call. */ + +__attribute__((noipa)) void set_eax(int val); +__attribute__((noipa)) void foo(int val); +__attribute__((noipa)) int bar(int x); + +#include "call-1.c" |