Commit 8dce62c
committed
deps: V8: cherry-pick 5fe919f78321
Original commit message:
PPC: clear VXCVI before doing a conversion
This bit may not get cleared automatically and could show
results from older executed instructions.
Change-Id: I5976f9a6c5bf87b1a63ef0f35493b222729e20f6
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3812037
Reviewed-by: Junliang Yan <junyan@redhat.com>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#82237}
Refs: v8/v8@5fe919f
PR-URL: #45587
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>1 parent d375242 commit 8dce62c
2 files changed
Lines changed: 5 additions & 1 deletion
| 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.21', | ||
| 39 | + 'v8_embedder_string': '-node.22', | ||
| 40 | 40 | ||
| 41 | 41 | ##### V8 defaults for Node.js ##### | |
| 42 | 42 | ||
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -1455,6 +1455,7 @@ bool LiftoffAssembler::emit_type_conversion(WasmOpcode opcode, | |||
| 1455 | 1455 | fcmpu(src.fp(), kScratchDoubleReg); | |
| 1456 | 1456 | bunordered(trap); | |
| 1457 | 1457 | ||
| 1458 | + mtfsb0(VXCVI); // clear FPSCR:VXCVI bit | ||
| 1458 | 1459 | fctiwz(kScratchDoubleReg, src.fp()); | |
| 1459 | 1460 | MovDoubleLowToInt(dst.gp(), kScratchDoubleReg); | |
| 1460 | 1461 | mcrfs(cr7, VXCVI); | |
@@ -1463,6 +1464,7 @@ bool LiftoffAssembler::emit_type_conversion(WasmOpcode opcode, | |||
| 1463 | 1464 | } | |
| 1464 | 1465 | case kExprI32UConvertF64: | |
| 1465 | 1466 | case kExprI32UConvertF32: { | |
| 1467 | + mtfsb0(VXCVI); // clear FPSCR:VXCVI bit | ||
| 1466 | 1468 | ConvertDoubleToUnsignedInt64(src.fp(), r0, kScratchDoubleReg, | |
| 1467 | 1469 | kRoundToZero); | |
| 1468 | 1470 | mcrfs(cr7, VXCVI); // extract FPSCR field containing VXCVI into cr7 | |
@@ -1478,6 +1480,7 @@ bool LiftoffAssembler::emit_type_conversion(WasmOpcode opcode, | |||
| 1478 | 1480 | fcmpu(src.fp(), kScratchDoubleReg); | |
| 1479 | 1481 | bunordered(trap); | |
| 1480 | 1482 | ||
| 1483 | + mtfsb0(VXCVI); // clear FPSCR:VXCVI bit | ||
| 1481 | 1484 | fctidz(kScratchDoubleReg, src.fp()); | |
| 1482 | 1485 | MovDoubleToInt64(dst.gp(), kScratchDoubleReg); | |
| 1483 | 1486 | mcrfs(cr7, VXCVI); | |
@@ -1490,6 +1493,7 @@ bool LiftoffAssembler::emit_type_conversion(WasmOpcode opcode, | |||
| 1490 | 1493 | fcmpu(src.fp(), kScratchDoubleReg); | |
| 1491 | 1494 | bunordered(trap); | |
| 1492 | 1495 | ||
| 1496 | + mtfsb0(VXCVI); // clear FPSCR:VXCVI bit | ||
| 1493 | 1497 | fctiduz(kScratchDoubleReg, src.fp()); | |
| 1494 | 1498 | MovDoubleToInt64(dst.gp(), kScratchDoubleReg); | |
| 1495 | 1499 | mcrfs(cr7, VXCVI); | |
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