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| author | Jakub Jelinek <jakub@redhat.com> | 2010-11-15 21:07:39 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-11-15 21:07:39 +0100 |
| commit | 61630b27687dcd30748a594f90cd25035347959c (patch) | |
| tree | 379244decef3dcbcca0f376008cd4b43301437e1 /gcc/alias.c | |
| parent | 3abe8cabdcb83ad745fe569f76887cd0920e5998 (diff) | |
| download | gcc-61630b27687dcd30748a594f90cd25035347959c.zip gcc-61630b27687dcd30748a594f90cd25035347959c.tar.gz gcc-61630b27687dcd30748a594f90cd25035347959c.tar.bz2 | |
re PR debug/46387 (ICE in add_stores, at var-tracking.c:5415)
PR debug/46387
* rtl.h (vt_equate_reg_base_value): New prototype.
* alias.c (vt_equate_reg_base_value): New function.
* var-tracking.c (vt_init_cfa_base): Use it.
* gcc.dg/pr46387.c: New test.
From-SVN: r166766
Diffstat (limited to 'gcc/alias.c')
| -rw-r--r-- | gcc/alias.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/alias.c b/gcc/alias.c index 2e0ac06..2a87797 100644 --- a/gcc/alias.c +++ b/gcc/alias.c @@ -2906,6 +2906,15 @@ init_alias_analysis (void) timevar_pop (TV_ALIAS_ANALYSIS); } +/* Equate REG_BASE_VALUE (reg1) to REG_BASE_VALUE (reg2). + Special API for var-tracking pass purposes. */ + +void +vt_equate_reg_base_value (const_rtx reg1, const_rtx reg2) +{ + VEC_replace (rtx, reg_base_value, REGNO (reg1), REG_BASE_VALUE (reg2)); +} + void end_alias_analysis (void) { |