llvm: clobber rdx instead of edx for x86-64 valgrind request

Rexicon226 · Rexicon226 · commit 09e4035e79ca · 2025-11-06T20:12:35.000-08:00
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig
@@ -11735,7 +11735,7 @@ pub const FuncGen = struct {
                 \\ rolq  $$61, %rdi ; rolq $$51, %rdi
                 \\ xchgq %rbx, %rbx
                 ,
-                .constraints = "={rdx},{rax},{edx},~{cc},~{memory}",
+                .constraints = "={rdx},{rax},{rdx},~{cc},~{memory}",
             },
             else => unreachable,
         };

Original file line number	Diff line number	Diff line change
`@@ -11735,7 +11735,7 @@ pub const FuncGen = struct {`
`11735`	`11735`	`\\ rolq $$61, %rdi ; rolq $$51, %rdi`
`11736`	`11736`	`\\ xchgq %rbx, %rbx`
`11737`	`11737`	`,`
`11738`		`- .constraints = "={rdx},{rax},{edx},~{cc},~{memory}",`
	`11738`	`+ .constraints = "={rdx},{rax},{rdx},~{cc},~{memory}",`
`11739`	`11739`	`},`
`11740`	`11740`	`else => unreachable,`
`11741`	`11741`	`};`