Builder: fix x86_fp80 constants in bitcode

2025-12-16 03:03:09 +00:00 · 2024-02-23 09:15:43 +01:00 · 2024-02-23 09:15:43 +01:00 · 7f3ade6dea
commit 7f3ade6dea
parent 800495afab
2 changed files with 5 additions and 4 deletions
--- a/src/codegen/llvm/Builder.zig
+++ b/src/codegen/llvm/Builder.zig
@ -13581,8 +13581,9 @@ pub fn toBitcode(self: *Builder, allocator: Allocator) bitcode_writer.Error![]co
                    .x86_fp80 => {
                        const extra = self.constantExtraData(Constant.Fp80, data);
                        try constants_block.writeAbbrev(Constants.Fp80{
-                            .lo = @as(u64, extra.lo_hi) << 32 | @as(u64, extra.lo_lo),
-                            .hi = @intCast(extra.hi),
+                            .hi = @as(u64, extra.hi) << 48 | @as(u64, extra.lo_hi) << 16 |
+                                extra.lo_lo >> 16,
+                            .lo = @truncate(extra.lo_lo),
                        });
                    },
                    .fp128,
--- a/src/codegen/llvm/ir.zig
+++ b/src/codegen/llvm/ir.zig
@ -425,8 +425,8 @@ pub const Constants = struct {
            .{ .vbr = 6 },
            .{ .vbr = 6 },
        };
-        lo: u64,
-        hi: u16,
+        hi: u64,
+        lo: u16,
    };

    pub const Fp128 = struct {