master: x86-64/character-string-utf8-length: don't repeat the same instruction

The branch "master" has been updated in SBCL:
       via  6a80d5e791c534ac574594212cfb35c52e5f3a85 (commit)
      from  992ff1465ea8a260e0fe09369057a123747dd219 (commit)

- Log -----------------------------------------------------------------
commit 6a80d5e791c534ac574594212cfb35c52e5f3a85
Author: Stas Boukarev <[email protected]>
Date:   Tue Aug 11 00:18:49 2026 +0300

    x86-64/character-string-utf8-length: don't repeat the same instruction
---
 src/code/x86-64-simd.lisp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/code/x86-64-simd.lisp b/src/code/x86-64-simd.lisp
index 432c6fea4..fdd7c819a 100644
--- a/src/code/x86-64-simd.lisp
+++ b/src/code/x86-64-simd.lisp
@@ -2212,6 +2212,7 @@
 
          ((current      int-sse-reg))
          ((tmp1         int-sse-reg))
+         ((tmp2         int-sse-reg))
          ((mask         int-sse-reg)))
 
         ((res descriptor-reg t :from :load)
@@ -2270,11 +2271,9 @@
 
       START
       ;; Check for surrogates #xD800-#xDFFF
-      (inst vpsrld tmp1 current 11)
-      (inst vpcmpeqd tmp1 tmp1 c-1b)
-      (inst vpor errors errors tmp1)
-
-      (inst vpcmpgtd tmp1 current c-7f)
+      (inst vpsrld tmp2 current 11)
+      (inst vpcmpeqd tmp2 tmp2 c-1b)
+      (inst vpor errors errors tmp2)
 
       (inst vpcmpgtd mask current c-7ff)
       (inst vpaddd tmp1 tmp1 mask)

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