Skip to content

Allow setting XSIMD_WITH_SSE3, SSSE3, SSE4_1 and SSE4_2 manually with MSVC #1430

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
JohanMabille merged 1 commit into from
Oct 16, 2026
+32 −4
Merged

Allow setting XSIMD_WITH_SSE3, SSSE3, SSE4_1 and SSE4_2 manually with MSVC #1430

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
36 changes: 32 additions & 4 deletions include/xsimd/config/xsimd_config.hpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -111,8 +111,15 @@
* @ingroup xsimd_config_macro
*
* Set to 1 if SSE3 is available at compile-time, to 0 otherwise.
*
* It can be set manually only with MSVC because MSVC doesn't define
* __SSE3__ even when SSE3 is enabled.
*/
#ifdef __SSE3__
#ifdef XSIMD_WITH_SSE3
#if !defined(_MSC_VER) || defined(__clang__)
#error "XSIMD_WITH_SSE3 can be set manually only with MSVC"
#endif
#elif defined(__SSE3__)
#define XSIMD_WITH_SSE3 1
#else
#define XSIMD_WITH_SSE3 0
Expand All @@ -122,8 +129,15 @@
* @ingroup xsimd_config_macro
*
* Set to 1 if SSSE3 is available at compile-time, to 0 otherwise.
*
* It can be set manually only with MSVC because MSVC doesn't define
* __SSSE3__ even when SSSE3 is enabled.
*/
#ifdef __SSSE3__
#ifdef XSIMD_WITH_SSSE3
#if !defined(_MSC_VER) || defined(__clang__)
#error "XSIMD_WITH_SSSE3 can be set manually only with MSVC"
#endif
#elif defined(__SSSE3__)
#define XSIMD_WITH_SSSE3 1
#else
#define XSIMD_WITH_SSSE3 0
Expand All @@ -133,8 +147,15 @@
* @ingroup xsimd_config_macro
*
* Set to 1 if SSE4.1 is available at compile-time, to 0 otherwise.
*
* It can be set manually only with MSVC because MSVC doesn't define
* __SSE4_1__ even when SSE4.1 is enabled.
*/
#ifdef __SSE4_1__
#ifdef XSIMD_WITH_SSE4_1
#if !defined(_MSC_VER) || defined(__clang__)
#error "XSIMD_WITH_SSE4_1 can be set manually only with MSVC"
#endif
#elif defined(__SSE4_1__)
#define XSIMD_WITH_SSE4_1 1
#else
#define XSIMD_WITH_SSE4_1 0
Expand All @@ -144,8 +165,15 @@
* @ingroup xsimd_config_macro
*
* Set to 1 if SSE4.2 is available at compile-time, to 0 otherwise.
*
* It can be set manually only with MSVC because MSVC doesn't define
* __SSE4_2__ even when SSE4.2 is enabled.
*/
#ifdef __SSE4_2__
#ifdef XSIMD_WITH_SSE4_2
#if !defined(_MSC_VER) || defined(__clang__)
#error "XSIMD_WITH_SSE4_2 can be set manually only with MSVC"
#endif
#elif defined(__SSE4_2__)
#define XSIMD_WITH_SSE4_2 1
#else
#define XSIMD_WITH_SSE4_2 0
Expand Down
Loading