Bug 1975645 - [riscv64] Part 3: Implement MacroAssembler::move8ZeroExtend. r=jandem

CSharperMantle · jandem · commit 011a7755f566 · 2025-07-07T13:26:35.000Z
Differential Revision: https://phabricator.services.mozilla.com/D256070
diff --git a/js/src/jit/riscv64/MacroAssembler-riscv64-inl.h b/js/src/jit/riscv64/MacroAssembler-riscv64-inl.h
@@ -1687,7 +1687,7 @@ void MacroAssembler::move64To32(Register64 src, Register dest) {
 }
 
 void MacroAssembler::move8ZeroExtend(Register src, Register dest) {
-  MOZ_CRASH("NYI");
+  andi(dest, src, 0xFF);
 }
 
 void MacroAssembler::move8SignExtend(Register src, Register dest) {

Original file line number	Diff line number	Diff line change
`@@ -1687,7 +1687,7 @@ void MacroAssembler::move64To32(Register64 src, Register dest) {`
`1687`	`1687`	`}`
`1688`	`1688`
`1689`	`1689`	`void MacroAssembler::move8ZeroExtend(Register src, Register dest) {`
`1690`		`- MOZ_CRASH("NYI");`
	`1690`	`+ andi(dest, src, 0xFF);`
`1691`	`1691`	`}`
`1692`	`1692`
`1693`	`1693`	`void MacroAssembler::move8SignExtend(Register src, Register dest) {`