diff options
| author | Vladimir Makarov <vmakarov@redhat.com> | 2019-11-27 14:24:47 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@redhat.com> | 2019-11-27 14:24:47 +0000 |
| commit | a99ec7a1f44254828f54e855dc9535794fe7a62b (patch) | |
| tree | 16e8cdcd5a574084b58a563d35df988b36ec72fc /gcc | |
| parent | c801f1fa639f9cc2d7b6b62b184f3652231a3207 (diff) | |
2019-11-27 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/90007
* recog.c (constrain_operands): Permit hard registers too for
memory when LRA is used.
2019-11-27 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/90007
* gcc.target/i386/pr90007.c: New test.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@278770 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/recog.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr90007.c | 15 |
4 files changed, 28 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9899c377305..f2cacc047d8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-11-27 Vladimir Makarov <vmakarov@redhat.com> + + PR rtl-optimization/90007 + * recog.c (constrain_operands): Permit hard registers too for + memory when LRA is used. + 2019-11-27 Bernd Schmidt <bernds_cb1@t-online.de> * config/m68k/m68k.c (m68k_output_compare_fp): Restore differences diff --git a/gcc/recog.c b/gcc/recog.c index 0482818c453..1b76503323a 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -2740,10 +2740,9 @@ constrain_operands (int strict, alternative_mask alternatives) /* Before reload, accept what reload can turn into a mem. */ || (strict < 0 && CONSTANT_P (op)) - /* Before reload, accept a pseudo, + /* Before reload, accept a pseudo or hard register, since LRA can turn it into a mem. */ - || (strict < 0 && targetm.lra_p () && REG_P (op) - && REGNO (op) >= FIRST_PSEUDO_REGISTER) + || (strict < 0 && targetm.lra_p () && REG_P (op)) /* During reload, accept a pseudo */ || (reload_in_progress && REG_P (op) && REGNO (op) >= FIRST_PSEUDO_REGISTER))) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 4c01d147bf7..39728cf82ca 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-11-27 Vladimir Makarov <vmakarov@redhat.com> + + PR rtl-optimization/90007 + * gcc.target/i386/pr90007.c: New test. + 2019-11-27 Andrew Sutton <asutton@lock3software.com> Emit hard errors for certain satisfaction errors. diff --git a/gcc/testsuite/gcc.target/i386/pr90007.c b/gcc/testsuite/gcc.target/i386/pr90007.c new file mode 100644 index 00000000000..a16eec308fb --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr90007.c @@ -0,0 +1,15 @@ +/* PR rtl-optimization/90007 */ +/* { dg-do compile { target x86_64-*-* } } */ +/* { dg-options "-march=bdver1 -mfpmath=387 -O1 -fschedule-insns -fselective-scheduling" } */ + +void +qj (int b9, int r9, int k4, int k0, int e7) +{ + (void) b9; + (void) r9; + (void) k4; + + while (!!k0 == e7 * 1.1) + { + } +} |