ref: 5dbd0cbc4c8d7f61b26256d9cf3da48f374b394d
parent: 2797d8a8b467dfad13eecd127495ef5d39f54cc0
author: lieff <[email protected]>
date: Wed Jan 10 10:12:33 EST 2018
enable SIMD for gcc
--- a/minimp3.c
+++ b/minimp3.c
@@ -40,7 +40,7 @@
#define MIN(a,b) ((a) > (b) ? (b) : (a))
#define MAX(a,b) ((a) < (b) ? (b) : (a))
-#ifdef _MSC_VER
+#if defined(_MSC_VER) || defined(__i386__) || defined(__x86_64__)
# include <immintrin.h>
# define HAVE_SSE 1
# define HAVE_SIMD 1
@@ -55,6 +55,31 @@
# define VMUL_S(x, s) _mm_mul_ps(x, _mm_set1_ps(s))
# define VREV(x) _mm_shuffle_ps(x, x, _MM_SHUFFLE(0, 1, 2, 3))
typedef __m128 f4;
+#ifndef _MSC_VER
+static __inline__ __attribute__((always_inline)) void __cpuid(int CPUInfo[], const int InfoType)
+{+#if defined(__PIC__)
+ __asm__ __volatile__(
+#if defined(__x86_64__)
+ "push %%rbx\n"
+ "cpuid\n"
+ "xchgl %%ebx, %1\n"
+ "pop %%rbx\n"
+#else
+ "xchgl %%ebx, %1\n"
+ "cpuid\n"
+ "xchgl %%ebx, %1\n"
+#endif
+ : "=a" (CPUInfo[0]), "=r" (CPUInfo[1]), "=c" (CPUInfo[2]), "=d" (CPUInfo[3])
+ : "a" (InfoType));
+#else
+ __asm__ __volatile__(
+ "cpuid"
+ : "=a" (CPUInfo[0]), "=b" (CPUInfo[1]), "=c" (CPUInfo[2]), "=d" (CPUInfo[3])
+ : "a" (InfoType));
+#endif
+}
+#endif
static int have_simd()
{int CPUInfo[4];