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| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/rtlanal.c | 7 |
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9790ec615f8..aaf947041fd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +1999-12-15 David S. Miller <davem@redhat.com> + + * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT. + Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz> * flow.c (calculate_loop_depth): Make global, remove prototype, diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 838ca9daa0c..63bff3d0a5f 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -964,6 +964,13 @@ reg_overlap_mentioned_p (x, in) return 1; return 0; } + else if (GET_CODE (x) == CONCAT) + { + if (reg_overlap_mentioned_p (XEXP (x, 0), in) + || reg_overlap_mentioned_p (XEXP (x, 1), in)) + return 1; + return 0; + } else abort (); |