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| author | Jakub Jelinek <jakub@redhat.com> | 2014-03-20 20:47:09 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2014-03-20 20:47:09 +0100 |
| commit | b8f045e2e4d0fd3cebf715cca45ba7de08b25bd2 (patch) | |
| tree | 95a9dec2ea3c131d8169e3dd21046b00399d2731 /gcc | |
| parent | 7614d42cb4103e495f1d91c9c71bf8feae4bae69 (diff) | |
| download | gcc-b8f045e2e4d0fd3cebf715cca45ba7de08b25bd2.zip gcc-b8f045e2e4d0fd3cebf715cca45ba7de08b25bd2.tar.gz gcc-b8f045e2e4d0fd3cebf715cca45ba7de08b25bd2.tar.bz2 | |
re PR middle-end/60597 (ICE in df_refs_verify, at df-scan.c:4323)
PR middle-end/60597
* ira.c (adjust_cleared_regs): Call copy_rtx on
*reg_equiv[REGNO (loc)].src_p before passing it to
simplify_replace_fn_rtx.
* g++.dg/opt/pr60597.C: New test.
From-SVN: r208735
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ira.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/opt/pr60597.C | 46 |
4 files changed, 55 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bc43ad2..6821c915 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2014-03-20 Jakub Jelinek <jakub@redhat.com> + PR middle-end/60597 + * ira.c (adjust_cleared_regs): Call copy_rtx on + *reg_equiv[REGNO (loc)].src_p before passing it to + simplify_replace_fn_rtx. + PR target/60568 * config/i386/i386.c (x86_output_mi_thunk): Surround UNSPEC_GOT into CONST, put pic register as first operand of PLUS. Use @@ -3428,7 +3428,7 @@ adjust_cleared_regs (rtx loc, const_rtx old_rtx ATTRIBUTE_UNUSED, void *data) { bitmap cleared_regs = (bitmap) data; if (bitmap_bit_p (cleared_regs, REGNO (loc))) - return simplify_replace_fn_rtx (*reg_equiv[REGNO (loc)].src_p, + return simplify_replace_fn_rtx (copy_rtx (*reg_equiv[REGNO (loc)].src_p), NULL_RTX, adjust_cleared_regs, data); } return NULL_RTX; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3cadcfe..2475787 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2014-03-20 Jakub Jelinek <jakub@redhat.com> + PR middle-end/60597 + * g++.dg/opt/pr60597.C: New test. + PR c++/60572 * g++.dg/init/pr60572.C: New test. diff --git a/gcc/testsuite/g++.dg/opt/pr60597.C b/gcc/testsuite/g++.dg/opt/pr60597.C new file mode 100644 index 0000000..c61f767 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/pr60597.C @@ -0,0 +1,46 @@ +// PR middle-end/60597 +// { dg-do compile } +// { dg-options "-O2 -g" } + +struct A +{ + int foo () const; + int bar () const; + int a; +}; + +struct B +{ + int foo (); + int bar (); +}; + +int *c, d; + +int +A::foo () const +{ + int b = a >> 16; + return b; +} + +int +A::bar () const +{ + int b = a; + return b; +} + +void +baz (A &x, B h, int i, int j) +{ + for (; i < h.bar (); ++i) + for (; h.foo (); ++j) + { + int g = x.foo (); + int f = x.bar (); + int e = c[0] & 1; + d = (e << 1) | (g << 16) | (f & 1); + c[j] = 0; + } +} |