Commit 769e2a4
deps: V8: cherry-pick b66334313c8b
Original commit message:
[riscv64] use callee save register in regexp
Bug: v8:12502
Change-Id: I8d1b599fc945e276b70901953368768594470204
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3343861
Reviewed-by: ji qiu <qiuji@iscas.ac.cn>
Commit-Queue: ji qiu <qiuji@iscas.ac.cn>
Cr-Commit-Position: refs/heads/main@{#78421}
Refs: v8/v8@b663343
PR-URL: #42067
Refs: v8/v8@77d5154
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Mary Marchini <oss@mmarchini.me>
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Stewart X Addison <sxa@redhat.com>1 parent 53338fe commit 769e2a4
3 files changed
Lines changed: 7 additions & 7 deletions
File tree
- deps/v8/src/regexp/riscv64
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -36,7 +36,7 @@ | |||
| 36 | 36 | ||
| 37 | 37 | # Reset this number to 0 on major V8 upgrades. | |
| 38 | 38 | # Increment by one for each non-official patch applied to deps/v8. | |
| 39 | - 'v8_embedder_string': '-node.13', | ||
| 39 | + 'v8_embedder_string': '-node.14', | ||
| 40 | 40 | ||
| 41 | 41 | ##### V8 defaults for Node.js ##### | |
| 42 | 42 | ||
Lines changed: 3 additions & 3 deletions
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -23,10 +23,10 @@ namespace internal { | |||
| 23 | 23 | * This assembler uses the following register assignment convention | |
| 24 | 24 | * - s3 : kScratchReg. Temporarily stores the index of capture start after a matching pass | |
| 25 | 25 | * for a global regexp. | |
| 26 | - * - a5 : Pointer to current Code object including heap object tag. | ||
| 27 | - * - a6 : Current position in input, as negative offset from end of string. | ||
| 26 | + * - s4 : Pointer to current Code object including heap object tag. | ||
| 27 | + * - s1 : Current position in input, as negative offset from end of string. | ||
| 28 | 28 | * Please notice that this is the byte offset, not the character offset! | |
| 29 | - * - a7 : Currently loaded character. Must be loaded using | ||
| 29 | + * - s2 : Currently loaded character. Must be loaded using | ||
| 30 | 30 | * LoadCurrentCharacter before using any of the dispatch methods. | |
| 31 | 31 | * - t0 : Points to tip of backtrack stack | |
| 32 | 32 | * - t1 : Unused. | |
Lines changed: 3 additions & 3 deletions
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -147,10 +147,10 @@ class V8_EXPORT_PRIVATE RegExpMacroAssemblerRISCV | |||
| 147 | 147 | ||
| 148 | 148 | // Register holding the current input position as negative offset from | |
| 149 | 149 | // the end of the string. | |
| 150 | - static constexpr Register current_input_offset() { return a6; } | ||
| 150 | + static constexpr Register current_input_offset() { return s1; } | ||
| 151 | 151 | ||
| 152 | 152 | // The register containing the current character after LoadCurrentCharacter. | |
| 153 | - static constexpr Register current_character() { return a7; } | ||
| 153 | + static constexpr Register current_character() { return s2; } | ||
| 154 | 154 | ||
| 155 | 155 | // Register holding address of the end of the input string. | |
| 156 | 156 | static constexpr Register end_of_input_address() { return t2; } | |
@@ -164,7 +164,7 @@ class V8_EXPORT_PRIVATE RegExpMacroAssemblerRISCV | |||
| 164 | 164 | static constexpr Register backtrack_stackpointer() { return t0; } | |
| 165 | 165 | ||
| 166 | 166 | // Register holding pointer to the current code object. | |
| 167 | - static constexpr Register code_pointer() { return a5; } | ||
| 167 | + static constexpr Register code_pointer() { return s4; } | ||
| 168 | 168 | ||
| 169 | 169 | // Byte size of chars in the string to match (decided by the Mode argument). | |
| 170 | 170 | inline int char_size() const { return static_cast<int>(mode_); } | |
0 commit comments