From f6e027da32caabdea57bae9ee806abe1d9e3ac68 Mon Sep 17 00:00:00 2001
From: Jacob Young <jacobly0@users.noreply.github.com>
Date: Sun, 8 Oct 2023 00:02:19 -0400
Subject: [PATCH] x86_64: fix conversions between floats and 128-bit integers

---
 src/arch/x86_64/CodeGen.zig | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/arch/x86_64/CodeGen.zig b/src/arch/x86_64/CodeGen.zig
index a637254838..b2f03a993f 100644
--- a/src/arch/x86_64/CodeGen.zig
+++ b/src/arch/x86_64/CodeGen.zig
@@ -11470,9 +11470,13 @@ fn airFloatFromInt(self: *Self, inst: Air.Inst.Index) !void {
     const result = result: {
         if (switch (dst_bits) {
             16, 80, 128 => true,
-            32, 64 => src_size > 8 and src_size < 16,
+            32, 64 => src_size > 8,
             else => unreachable,
         }) {
+            if (src_bits > 128) return self.fail("TODO implement airFloatFromInt from {} to {}", .{
+                src_ty.fmt(mod), dst_ty.fmt(mod),
+            });
+
             var callee: ["__floatun?i?f".len]u8 = undefined;
             break :result try self.genCall(.{ .lib = .{
                 .return_type = dst_ty.toIntern(),
@@ -11488,10 +11492,6 @@ fn airFloatFromInt(self: *Self, inst: Air.Inst.Index) !void {
             } }, &.{src_ty}, &.{.{ .air_ref = ty_op.operand }});
         }
 
-        if (src_size > 8) return self.fail("TODO implement airFloatFromInt from {} to {}", .{
-            src_ty.fmt(mod), dst_ty.fmt(mod),
-        });
-
         const src_mcv = try self.resolveInst(ty_op.operand);
         const src_reg = if (src_mcv.isRegister())
             src_mcv.getReg().?
@@ -11549,9 +11549,13 @@ fn airIntFromFloat(self: *Self, inst: Air.Inst.Index) !void {
     const result = result: {
         if (switch (src_bits) {
             16, 80, 128 => true,
-            32, 64 => dst_size > 8 and dst_size < 16,
+            32, 64 => dst_size > 8,
             else => unreachable,
         }) {
+            if (dst_bits > 128) return self.fail("TODO implement airIntFromFloat from {} to {}", .{
+                src_ty.fmt(mod), dst_ty.fmt(mod),
+            });
+
             var callee: ["__fixuns?f?i".len]u8 = undefined;
             break :result try self.genCall(.{ .lib = .{
                 .return_type = dst_ty.toIntern(),
@@ -11567,10 +11571,6 @@ fn airIntFromFloat(self: *Self, inst: Air.Inst.Index) !void {
             } }, &.{src_ty}, &.{.{ .air_ref = ty_op.operand }});
         }
 
-        if (dst_size > 8) return self.fail("TODO implement airIntFromFloat from {} to {}", .{
-            src_ty.fmt(mod), dst_ty.fmt(mod),
-        });
-
         const src_mcv = try self.resolveInst(ty_op.operand);
         const src_reg = if (src_mcv.isRegister())
             src_mcv.getReg().?