diff options
| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-09-15 13:21:49 -0400 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-09-15 13:21:49 -0400 |
| commit | f1636e8ad83096ea887edc73633367c329ca051a (patch) | |
| tree | 1e3be6ea5fea01fe2b24c2b8a366495ef70129b9 /gcc/cse.c | |
| parent | cf2f711352b94c880dc43f36ab4b58ab4bbf66c4 (diff) | |
| download | gcc-f1636e8ad83096ea887edc73633367c329ca051a.zip gcc-f1636e8ad83096ea887edc73633367c329ca051a.tar.gz gcc-f1636e8ad83096ea887edc73633367c329ca051a.tar.bz2 | |
(cse_around_loop): Don't invalidate SUBREG unless it's a SUBREG of a
REG.
From-SVN: r8085
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 3 |
1 files changed, 2 insertions, 1 deletions
@@ -7590,7 +7590,8 @@ cse_around_loop (loop_start) for (p = last_jump_equiv_class->first_same_value; p; p = p->next_same_value) if (GET_CODE (p->exp) == MEM || GET_CODE (p->exp) == REG - || GET_CODE (p->exp) == SUBREG) + || (GET_CODE (p->exp) == SUBREG + && GET_CODE (SUBREG_REG (p->exp)) == REG)) invalidate (p->exp); else if (GET_CODE (p->exp) == STRICT_LOW_PART || GET_CODE (p->exp) == ZERO_EXTRACT) |