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vkd3d: Add a macro to mark unreachable code.

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This should silence warnings about some branches non returning any value
without requiring additional "return 0" statement or similar.

Also, in theory this might enable to compiler to optimize the program
a little bit more, though that's unlikely to have any measurable effect.
This commit is contained in:
Giovanni Mascellani
2022-08-31 13:25:24 +02:00
committed by Alexandre Julliard
parent 56b2f56b86
commit d5fd309ef8
Notes: Alexandre Julliard 2022-10-18 00:13:00 +02:00 
Approved-by: Zebediah Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/11
10 changed files with 52 additions and 71 deletions
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9
libs/vkd3d-shader/hlsl_sm1.c
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@@ -159,8 +159,7 @@ static D3DXPARAMETER_CLASS sm1_class(const struct hlsl_type *type)
return D3DXPC_VECTOR;
default:
ERR("Invalid class %#x.\n", type->type);
assert(0);
return 0;
vkd3d_unreachable();
}
}
@@ -193,6 +192,7 @@ static D3DXPARAMETER_TYPE sm1_base_type(const struct hlsl_type *type)
return D3DXPT_SAMPLER;
default:
ERR("Invalid dimension %#x.\n", type->sampler_dim);
vkd3d_unreachable();
}
break;
case HLSL_TYPE_STRING:
@@ -212,6 +212,7 @@ static D3DXPARAMETER_TYPE sm1_base_type(const struct hlsl_type *type)
return D3DXPT_TEXTURE;
default:
ERR("Invalid dimension %#x.\n", type->sampler_dim);
vkd3d_unreachable();
}
break;
case HLSL_TYPE_VERTEXSHADER:
@@ -219,10 +220,8 @@ static D3DXPARAMETER_TYPE sm1_base_type(const struct hlsl_type *type)
case HLSL_TYPE_VOID:
return D3DXPT_VOID;
default:
assert(0);
vkd3d_unreachable();
}
assert(0);
return 0;
}
static const struct hlsl_type *get_array_type(const struct hlsl_type *type)