Properly detect SSE instruction support in 32-bit MSVC build. (#5943)
diff --git a/docs/CHANGELOG.txt b/docs/CHANGELOG.txt
index 3868a2e..71d30d4 100644
--- a/docs/CHANGELOG.txt
+++ b/docs/CHANGELOG.txt
@@ -47,6 +47,7 @@
clipping region. Regression added in 1.89. (#5720, #5919)
- Misc: fixed parameters to IMGUI_DEBUG_LOG() not being dead-stripped when building
with IMGUI_DISABLE_DEBUG_TOOLS is used. (#5901) [@Teselka]
+- Misc: fixed compile-time detection of SSE features on MSVC 32-bits builds. (#5943) [@TheMostDiligent]
- Backends: Allegro5: restoring using al_draw_indexed_prim() when Allegro version is >= 5.2.5. (#5937) [@Espyo]
diff --git a/imgui_internal.h b/imgui_internal.h
index be01842..dbd7637 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -56,7 +56,7 @@
#include <limits.h> // INT_MIN, INT_MAX
// Enable SSE intrinsics if available
-#if (defined __SSE__ || defined __x86_64__ || defined _M_X64) && !defined(IMGUI_DISABLE_SSE)
+#if (defined __SSE__ || defined __x86_64__ || defined _M_X64 || (defined(_M_IX86_FP) && (_M_IX86_FP >= 1))) && !defined(IMGUI_DISABLE_SSE)
#define IMGUI_ENABLE_SSE
#include <immintrin.h>
#endif
