diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/s390/2817.md | 6 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 05c19eb..d3f4f41 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2010-11-26 Christian Borntraeger <borntraeger@de.ibm.com> + + * config/s390/2817.md (z196_crack): Add z196_g3 as possible slot. + 2010-11-26 Richard Guenther <rguenther@suse.de> PR tree-optimization/46664 diff --git a/gcc/config/s390/2817.md b/gcc/config/s390/2817.md index 9bd4e1a..ea181b0 100644 --- a/gcc/config/s390/2817.md +++ b/gcc/config/s390/2817.md @@ -40,8 +40,10 @@ (define_reservation "z196_simple" "( z196_g1 | z196_g2 | z196_g3 )") (define_reservation "z196_ends" "( z196_g3 | ( z196_g2 + z196_g3 ) | ( z196_g1 + z196_g2 + z196_g3 ) )") -;; Try to keep cracked and alone ops together in a clump. -(define_reservation "z196_crack" "( z196_cr1 | z196_cr2 | z196_cr3 )") +;; Try to keep cracked and alone insns together in a clump. This will also +;; improve the clumping of "normal" insns. We also allow crackes insns +;; to go as a last instruction together with normal ones. +(define_reservation "z196_crack" "( z196_cr1 | z196_cr2 | z196_cr3 | z196_g3)") (define_reservation "z196_alone" "( z196_cr1 | z196_cr2 | z196_cr3 )") ;; Most simple instruction a fast enough to be handled by OOO even with |