Fix _Float16 detection on ARM64 GCC<13 (#8401)

GCC 12 only supports _Float16 on x86. Support for ARM was added in GCC 13. This causes a build failure in the manylinux_2_28 images.
halide · Aug 29, 2024 · b87f2b1 · b87f2b1
1 parent 45518ac
commit b87f2b1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/runtime/HalideRuntime.h b/src/runtime/HalideRuntime.h
@@ -117,7 +117,7 @@ extern "C" {
 // For now, we say that if >= v12, and compiling on x86 or arm,
 // we assume support. This may need revision.
 #if defined(__GNUC__) && (__GNUC__ >= 12)
-#if defined(__x86_64__) || (defined(__i386__) && (__GNUC__ >= 14) && defined(__SSE2__)) || defined(__arm__) || defined(__aarch64__)
+#if defined(__x86_64__) || (defined(__i386__) && (__GNUC__ >= 14) && defined(__SSE2__)) || ((defined(__arm__) || defined(__aarch64__)) && (__GNUC__ >= 13))
 #define HALIDE_CPP_COMPILER_HAS_FLOAT16
 #endif
 #endif