vkd3d-shader/msl: Implement VKD3DSIH_EQO.

Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1547

libs/vkd3d-shader/msl.c

@@ -957,6 +957,7 @@ static void msl_handle_instruction(struct msl_generator *gen, const struct vkd3d
         case VKD3DSIH_ENDIF:
             msl_end_block(gen);
             break;
+        case VKD3DSIH_EQO:
         case VKD3DSIH_IEQ:
             msl_relop(gen, ins, "==");
             break;

tests/hlsl/float-comparison.shader_test

@@ -55,7 +55,7 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 0.0 1.5 1.5 0.0
-todo(msl) draw quad
+draw quad
 % SM1-3 apparently treats '0/0' as zero.
 if(sm<4) todo probe (0,0) rgba (1010101.0, 11001100.0, 1101001.0, 11.0)
 % SM4-5 optimises away the 'not' by inverting the condition, even though this is invalid for NaN.

tests/hlsl/minimum-precision.shader_test

@@ -181,7 +181,7 @@ uint4 main() : sv_target
 uniform 0 float4 1.0 2.0 3.0 4.0
 uniform 4 float4 11.0 12.0 13.0 14.0
 uniform 8 float4 21.0 22.0 23.0 24.0
-todo(msl) draw quad
+draw quad
 probe (0, 0) rgbaui(1, 1, 1, 1)
 
 [require]