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| author | Vladimir Makarov <vmakarov@redhat.com> | 2014-11-28 19:33:35 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2014-11-28 19:33:35 +0000 |
| commit | eef7b18cb7a0b63ff4d260aafcf9f9a3481c5add (patch) | |
| tree | 7ed61fad0ada7e9ee91ca156c10e8532199990a3 /gcc | |
| parent | ee95f9288a029478f1fbf9741db51855ac9a552b (diff) | |
| download | gcc-eef7b18cb7a0b63ff4d260aafcf9f9a3481c5add.zip gcc-eef7b18cb7a0b63ff4d260aafcf9f9a3481c5add.tar.gz gcc-eef7b18cb7a0b63ff4d260aafcf9f9a3481c5add.tar.bz2 | |
re PR target/64061 (ICE: in gen_rtx_SUBREG, at emit-rtl.c:894 with -O2 -g -fno-dce -fno-tree-dce)
2014-11-28 Vladimir Makarov <vmakarov@redhat.com>
PR target/64061
* lra.c (lra_substitute_pseudo): Ignore constant with int mode for
subreg.
2014-11-28 Vladimir Makarov <vmakarov@redhat.com>
PR target/64061
* gcc.target/i386/pr64061.c: New.
From-SVN: r218171
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/lra.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr64061.c | 21 |
4 files changed, 35 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b8f8dbe..92e0af5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-11-28 Vladimir Makarov <vmakarov@redhat.com> + + PR target/64061 + * lra.c (lra_substitute_pseudo): Ignore constant with int mode for + subreg. + 2014-11-28 Segher Boessenkool <segher@kernel.crashing.org> PR target/64093 @@ -1806,7 +1806,8 @@ lra_substitute_pseudo (rtx *loc, int old_regno, rtx new_reg) machine_mode mode = GET_MODE (*loc); machine_mode inner_mode = GET_MODE (new_reg); - if (mode != inner_mode) + if (mode != inner_mode + && ! (CONST_INT_P (new_reg) && SCALAR_INT_MODE_P (mode))) { if (GET_MODE_SIZE (mode) >= GET_MODE_SIZE (inner_mode) || ! SCALAR_INT_MODE_P (inner_mode)) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 39aa178..31bcf5c 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2014-11-28 Vladimir Makarov <vmakarov@redhat.com> + + PR target/64061 + * gcc.target/i386/pr64061.c: New. + 2014-11-28 Marek Polacek <polacek@redhat.com> * c-c++-common/ubsan/shift-8.c: New test. @@ -5,7 +10,7 @@ 2014-11-28 Vladimir Makarov <vmakarov@redhat.com> PR rtl-optimization/64087 - * gcc.dg/pr64087.c: New. + * gcc.dg/pr64087.c: New. 2014-11-28 H.J. Lu <hongjiu.lu@intel.com> diff --git a/gcc/testsuite/gcc.target/i386/pr64061.c b/gcc/testsuite/gcc.target/i386/pr64061.c new file mode 100644 index 0000000..5794d06 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr64061.c @@ -0,0 +1,21 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -g -fno-dce -fno-tree-dce" } */ + +extern void *buf; + +extern void bar (void); + +int +foo (int i) +{ + int j = 0; + if (__builtin_setjmp (buf) == 0) + { + while (1) + { + j = 1; + bar (); + } + } + return j ? i : 0; +} |