diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/cse.c | 16 |
2 files changed, 20 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b3fe1bd..b09cb30 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-05-23 J"orn Rennecke <joern.rennecke@superh.com> + + * cse.c (count_reg_usage): When processing an INSNs REG_EQUAL + note containing an EXPR_LIST, process all the arguments. + Fri May 23 21:19:31 CEST 2003 Jan Hubicka <jh@suse.cz> Andreas Jaeger <aj@suse.de> @@ -7512,7 +7512,21 @@ count_reg_usage (x, counts, dest, incr) note = find_reg_equal_equiv_note (x); if (note) - count_reg_usage (XEXP (note, 0), counts, NULL_RTX, incr); + { + rtx eqv = XEXP (note, 0); + + if (GET_CODE (eqv) == EXPR_LIST) + /* This REG_EQUAL note describes the result of a function call. + Process all the arguments. */ + do + { + count_reg_usage (XEXP (eqv, 0), counts, NULL_RTX, incr); + eqv = XEXP (eqv, 1); + } + while (eqv && GET_CODE (eqv) == EXPR_LIST); + else + count_reg_usage (eqv, counts, NULL_RTX, incr); + } return; case EXPR_LIST: |