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-rw-r--r--sysdeps/aarch64/memset.S7
1 files changed, 4 insertions, 3 deletions
diff --git a/sysdeps/aarch64/memset.S b/sysdeps/aarch64/memset.S
index 4a45459361..9738cf5fd5 100644
--- a/sysdeps/aarch64/memset.S
+++ b/sysdeps/aarch64/memset.S
@@ -89,10 +89,10 @@ L(set_long):
b.eq L(try_zva)
L(no_zva):
sub count, dstend, dst /* Count is 16 too large. */
- add dst, dst, 16
+ sub dst, dst, 16 /* Dst is biased by -32. */
sub count, count, 64 + 16 /* Adjust count and bias for loop. */
-1: stp q0, q0, [dst], 64
- stp q0, q0, [dst, -32]
+1: stp q0, q0, [dst, 32]
+ stp q0, q0, [dst, 64]!
L(tail64):
subs count, count, 64
b.hi 1b
@@ -183,6 +183,7 @@ L(zva_other):
subs count, count, zva_len
b.hs 3b
4: add count, count, zva_len
+ sub dst, dst, 32 /* Bias dst for tail loop. */
b L(tail64)
#endif