deps: V8: cherry-pick a3cc8522a4c8

Original commit message: [riscv] avoid cpu probing in li_ptr CPU probing is an expensive thing to do and we should avoid doing it upon every li_ptr call. Fixes performance regresion bisected in riscv-forks/electron#1 Change-Id: Ib5ff89b2a730e08de6735123ae60adeffe811ed8 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/5612950 Commit-Queue: Yahan Lu <[email protected]> Reviewed-by: Yahan Lu <[email protected]> Reviewed-by: Michael Lippautz <[email protected]> Cr-Commit-Position: refs/heads/main@{#94349} Refs: v8/v8@a3cc852 PR-URL: #53412 Reviewed-By: Jiawen Geng <[email protected]> Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Richard Lau <[email protected]> Reviewed-By: Marco Ippolito <[email protected]> Reviewed-By: Rafael Gonzaga <[email protected]> Reviewed-By: Luigi Pinca <[email protected]>
nodejs · Jun 20, 2024 · bd68888 · bd68888
1 parent 2defaaf
commit bd68888
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Showing 3 changed files with 2 additions and 2 deletions.
diff --git a/common.gypi b/common.gypi
@@ -36,7 +36,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.14',
+    'v8_embedder_string': '-node.15',
 
     ##### V8 defaults for Node.js #####
 

diff --git a/deps/v8/AUTHORS b/deps/v8/AUTHORS
@@ -181,6 +181,7 @@ Kevin Gibbons <[email protected]>
 Keyhan Vakil <[email protected]>
 Kris Selden <[email protected]>
 Kyounga Ra <[email protected]>
+Levi Zim <[email protected]>
 Loo Rong Jie <[email protected]>
 Lu Yahan <[email protected]>
 Ludovic Mermod <[email protected]>

diff --git a/deps/v8/src/codegen/riscv/assembler-riscv.cc b/deps/v8/src/codegen/riscv/assembler-riscv.cc
@@ -1087,7 +1087,6 @@ void Assembler::GeneralLi(Register rd, int64_t imm) {
 }
 
 void Assembler::li_ptr(Register rd, int64_t imm) {
-  base::CPU cpu;
   // Initialize rd with an address
   // Pointers are 48 bits
   // 6 fixed instructions are generated