From a328390d794b66a2c47b72b7dc0a3c8b7bff82ca Mon Sep 17 00:00:00 2001
From: Werner Schweer <ws.seh.de>
Date: Thu, 19 Apr 2007 16:00:28 +0000
Subject: updates

---
 muse/al/dsp.cpp | 10 +---------
 muse/al/dsp.h   |  9 ++++++++-
 2 files changed, 9 insertions(+), 10 deletions(-)

(limited to 'muse/al')

diff --git a/muse/al/dsp.cpp b/muse/al/dsp.cpp
index b9032443..7fb41fe7 100644
--- a/muse/al/dsp.cpp
+++ b/muse/al/dsp.cpp
@@ -93,15 +93,7 @@ void initDsp()
       unsigned long useSSE = 0;
 
 #ifdef __x86_64__
-      asm (
-         "pushq %%rbx\n"
-         "movq $1, %%rax\n"
-         "cpuid\n"
-         "movq %%rdx, %0\n"
-         "popq %%rbx\n"
-         : "=r" (useSSE)
-         :
-         : "%rax", "%rcx", "%rdx", "memory");
+      useSSE = 1 << 25;       // we know the platform has SSE
 #else
       asm (
          "mov $1, %%eax\n"
diff --git a/muse/al/dsp.h b/muse/al/dsp.h
index d8da11dc..6c7123ac 100644
--- a/muse/al/dsp.h
+++ b/muse/al/dsp.h
@@ -23,7 +23,6 @@
 
 namespace AL {
 
-
 //---------------------------------------------------------
 //   f_max
 //---------------------------------------------------------
@@ -65,6 +64,14 @@ class Dsp {
             for (unsigned i = 0; i < n; ++i)
                   dst[i] += src[i];
             }
+      virtual void cpy(float* dst, float* src, unsigned n) {
+#if defined(ARCH_X86) || defined(ARCH_X86_64)
+            register unsinged long int dummy;
+            __asm__ __volatile__ "rep; movsl" :"=&D"(dst), "=&S"(src), "=&c"(dummy) :"0" (to), "1" (from),"2" (n) : "memory");
+#else
+            memcpy(dst, src, sizeof(float) * n);
+#endif
+            }
       };
 
 extern void initDsp();
-- 
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