ifndef bit_AVX512F, do not pass go, do not collect $200, do not enable avx512f

do not use -mavx512f on Windows

Author: MikaelSlevinsky

Make.inc

@@ -50,7 +50,9 @@ ifneq (, $(findstring mfma, $(simd)))
     endif
 endif
 ifneq (, $(findstring mavx512f, $(simd)))
-    MAVX512F := -mavx512f
+    ifneq ($(UNAME), Windows)
+        MAVX512F := -mavx512f
+    endif
 endif
 
 ifeq ($(UNAME), Darwin)
@@ -82,7 +84,7 @@ SRC = src/recurrence.c src/transforms.c src/rotations.c src/permute.c src/tdc.c
 
 machine := $(shell $(CC) -dumpmachine | cut -d'-' -f1)
 
-AFLAGS = -O3 -fPIC -std=gnu99 -I./src
+AFLAGS += -O3 -fPIC -std=gnu99 -I./src
 
 ifndef CFLAGS
     CFLAGS = -O3

src/ftinternal.h

@@ -131,7 +131,11 @@ static inline ft_simd get_simd(void) {
     unsigned eax1, ebx1, ecx1, edx1;
     cpuid(1, 0, &eax, &ebx, &ecx, &edx);
     cpuid(7, 0, &eax1, &ebx1, &ecx1, &edx1);
-    return (ft_simd) {!!(edx & bit_SSE), !!(edx & bit_SSE2), !!(ecx & bit_SSE3), !!(ecx & bit_SSSE3), !!(ecx & bit_SSE4_1), !!(ecx & bit_SSE4_2), !!(ecx & bit_AVX), !!(ebx1 & bit_AVX2), !!(ecx & bit_FMA), !!(ebx1 & bit_AVX512F)};
+    #ifndef bit_AVX512F
+        return (ft_simd) {!!(edx & bit_SSE), !!(edx & bit_SSE2), !!(ecx & bit_SSE3), !!(ecx & bit_SSSE3), !!(ecx & bit_SSE4_1), !!(ecx & bit_SSE4_2), !!(ecx & bit_AVX), !!(ebx1 & bit_AVX2), !!(ecx & bit_FMA), 0};
+    #else
+        return (ft_simd) {!!(edx & bit_SSE), !!(edx & bit_SSE2), !!(ecx & bit_SSE3), !!(ecx & bit_SSSE3), !!(ecx & bit_SSE4_1), !!(ecx & bit_SSE4_2), !!(ecx & bit_AVX), !!(ebx1 & bit_AVX2), !!(ecx & bit_FMA), !!(ebx1 & bit_AVX512F)};
+    #endif
 }
 
 #ifdef __AVX512F__