[gcc r14-7110] aarch64: Make ldp/stp pass off by default

[Alex Coplan]

https://gcc.gnu.org/g:8ed77a2356c3562f96c64f968e7529065c128c6a

commit r14-7110-g8ed77a2356c3562f96c64f968e7529065c128c6a
Author: Alex Coplan <alex.coplan@arm.com>
Date:   Wed Jan 10 14:50:49 2024 +0000

    aarch64: Make ldp/stp pass off by default
    
    As discussed on IRC, this makes the aarch64 ldp/stp pass off by default.  This
    should stabilize the trunk and give some time to address the P1 regressions.
    
    gcc/ChangeLog:
    
            * config/aarch64/aarch64.opt (-mearly-ldp-fusion): Set default
            to 0.
            (-mlate-ldp-fusion): Likewise.

Diff:
---
 gcc/config/aarch64/aarch64.opt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/config/aarch64/aarch64.opt b/gcc/config/aarch64/aarch64.opt
index ceed5cdb201..c495cb34fbf 100644
--- a/gcc/config/aarch64/aarch64.opt
+++ b/gcc/config/aarch64/aarch64.opt
@@ -290,12 +290,12 @@ Target Var(aarch64_track_speculation)
 Generate code to track when the CPU might be speculating incorrectly.
 
 mearly-ldp-fusion
-Target Var(flag_aarch64_early_ldp_fusion) Optimization Init(1)
+Target Var(flag_aarch64_early_ldp_fusion) Optimization Init(0)
 Enable the copy of the AArch64 load/store pair fusion pass that runs before
 register allocation.
 
 mlate-ldp-fusion
-Target Var(flag_aarch64_late_ldp_fusion) Optimization Init(1)
+Target Var(flag_aarch64_late_ldp_fusion) Optimization Init(0)
 Enable the copy of the AArch64 load/store pair fusion pass that runs after
 register allocation.