base: add ETC__I_KNOW_THAT_ETC_BEST_WITH_ARCH_AVX2

Updates #148
google · Jul 9, 2024 · 495f028 · 495f028
1 parent b64a761
commit 495f028
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diff --git a/internal/cgen/base/fundamental-public.h b/internal/cgen/base/fundamental-public.h
@@ -144,7 +144,9 @@
 // For MSVC's cl.exe (unlike clang or gcc), SIMD capability is a compile-time
 // property of the source file (e.g. a /arch:AVX2 or -mavx2 compiler flag), not
 // of individual functions (that can be conditionally selected at runtime).
+#if !defined(WUFFS_CONFIG__I_KNOW_THAT_WUFFS_MSVC_PERFORMS_BEST_WITH_ARCH_AVX2)
 #pragma message("Wuffs with MSVC+IX86/X64 performs best with /arch:AVX2")
+#endif
 
 #endif  // defined(__AVX2__) || defined(__clang__)
 #endif  // defined(_M_X64)

diff --git a/release/c/wuffs-unsupported-snapshot.c b/release/c/wuffs-unsupported-snapshot.c
@@ -200,7 +200,9 @@ extern "C" {
 // For MSVC's cl.exe (unlike clang or gcc), SIMD capability is a compile-time
 // property of the source file (e.g. a /arch:AVX2 or -mavx2 compiler flag), not
 // of individual functions (that can be conditionally selected at runtime).
+#if !defined(WUFFS_CONFIG__I_KNOW_THAT_WUFFS_MSVC_PERFORMS_BEST_WITH_ARCH_AVX2)
 #pragma message("Wuffs with MSVC+IX86/X64 performs best with /arch:AVX2")
+#endif
 
 #endif  // defined(__AVX2__) || defined(__clang__)
 #endif  // defined(_M_X64)