From d2f9088822e4c2e69871c936c5de00c69dc73bbc Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Thu, 2 Jan 2014 21:59:36 +0100 Subject: Apply my old patch from 2012 for x86_64 --- cpu_mode_x86_64.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 cpu_mode_x86_64.c (limited to 'cpu_mode_x86_64.c') diff --git a/cpu_mode_x86_64.c b/cpu_mode_x86_64.c new file mode 100644 index 0000000..758096a --- /dev/null +++ b/cpu_mode_x86_64.c @@ -0,0 +1,27 @@ +/* Determine CPU support for SIMD + * Copyright 2004 Phil Karn, KA9Q + * + * Modified in 2012 by Matthias P. Braendli, HB9EGM + */ +#include +#include "fec.h" + +/* Various SIMD instruction set names */ +char *Cpu_modes[] = {"Unknown","Portable C","x86 Multi Media Extensions (MMX)", + "x86 Streaming SIMD Extensions (SSE)", + "x86 Streaming SIMD Extensions 2 (SSE2)", + "PowerPC G4/G5 Altivec/Velocity Engine"}; + +enum cpu_mode Cpu_mode; + +void find_cpu_mode(void){ + + int f; + if(Cpu_mode != UNKNOWN) + return; + + /* According to the wikipedia entry x86-64, all x86-64 processors have SSE2 */ + /* The same assumption is also in other source files ! */ + Cpu_mode = SSE2; + fprintf(stderr,"CPU: x86-64, using portable C implementation\n"); +} -- cgit v1.2.3