Commit `5e62ba1347`

Robin Voetter <robin@voetter.nl>

2023-04-10 18:01:25

opencl: define size of C types

Define the size of the c types according the OpenCL specification. Note that OpenCL does not define the size of long double. Clang generates fp128, even though there is no extension that allows such types. The llvm-spirv translator simply crashes.

master

1 parent aa9ea61

Changed files (1)

lib

std

target.zig

@@ -2220,6 +2220,17 @@ pub const Target = struct {
                 .longdouble => return 128,
             },
 
+            .opencl => switch (c_type) {
+                .char => return 8,
+                .short, .ushort => return 16,
+                .int, .uint, .float => return 32,
+                .long, .ulong, .double => return 64,
+                .longlong, .ulonglong => return 128,
+                // Note: The OpenCL specification does not guarantee a particular size for long double,
+                // but clang uses 128 bits.
+                .longdouble => return 128,
+            },
+
             .cloudabi,
             .kfreebsd,
             .lv2,
@@ -2234,7 +2245,6 @@ pub const Target = struct {
             .contiki,
             .hermit,
             .hurd,
-            .opencl,
             .glsl450,
             .vulkan,
             .driverkit,

Commit 5e62ba1347

Commit `5e62ba1347`