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| author | Jeffrey A Law <law@cygnus.com> | 1998-11-09 02:12:55 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-11-08 19:12:55 -0700 |
| commit | a3a24aa619357792a6d06c38156b898350547b45 (patch) | |
| tree | e4c0cb38cc7057b664d7139c8530cfefbe2c26ad | |
| parent | bfa88f2d891aa26554afecebd63887cb92bb513f (diff) | |
| download | gcc-a3a24aa619357792a6d06c38156b898350547b45.zip gcc-a3a24aa619357792a6d06c38156b898350547b45.tar.gz gcc-a3a24aa619357792a6d06c38156b898350547b45.tar.bz2 | |
reload1.c (delete_output_reload_insn): If a pseudo is set multiple times, then it can not be completely replaced.
* reload1.c (delete_output_reload_insn): If a pseudo is set multiple
times, then it can not be completely replaced.
Fixes mis-compilation of wave5 in spec92.
From-SVN: r23581
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/reload1.c | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1ff5cc4..3d40451 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (delete_output_reload_insn): If a pseudo is set multiple + times, then it can not be completely replaced. + Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com> * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length. diff --git a/gcc/reload1.c b/gcc/reload1.c index 0d587ae..ea8bc1f 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -7931,6 +7931,7 @@ delete_output_reload (insn, j, last_reload_reg) and forget we had a stack slot for the pseudo. */ if (reload_out[j] != reload_in[j] && REG_N_DEATHS (REGNO (reg)) == 1 + && REG_N_SETS (REGNO (reg)) == 1 && REG_BASIC_BLOCK (REGNO (reg)) >= 0 && find_regno_note (insn, REG_DEAD, REGNO (reg))) { |