[hamradio-commits] [gnss-sdr] 73/149: fix sse implementation

[Carles Fernandez]

This is an automated email from the git hooks/post-receive script.

carles_fernandez-guest pushed a commit to branch next
in repository gnss-sdr.

commit fd2af02aecfeb69b768cc15206e31db265b5e64b
Author: Carles Fernandez <carles.fernandez at gmail.com>
Date:   Sat Jan 16 23:15:19 2016 +0100

    fix sse implementation
---
 .../volk_gnsssdr_8ic_x2_dot_prod_8ic.h             | 23 +++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_8ic_x2_dot_prod_8ic.h b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_8ic_x2_dot_prod_8ic.h
index 89a9c35..a753a25 100644
--- a/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_8ic_x2_dot_prod_8ic.h
+++ b/src/algorithms/libs/volk_gnsssdr_module/volk_gnsssdr/kernels/volk_gnsssdr/volk_gnsssdr_8ic_x2_dot_prod_8ic.h
@@ -162,7 +162,7 @@ static inline void volk_gnsssdr_8ic_x2_dot_prod_8ic_u_sse2(lv_8sc_t* result, con
                 }
         }
 
-    for (unsigned int i = 0; i<(num_points % 8); ++i)
+    for (unsigned int i = sse_iters * 8; i < num_points; ++i)
         {
             dotProduct += (*a++) * (*b++);
         }
@@ -241,7 +241,7 @@ static inline void volk_gnsssdr_8ic_x2_dot_prod_8ic_u_sse4_1(lv_8sc_t* result, c
                 }
         }
 
-    for (unsigned int i = 0; i<(num_points % 8); ++i)
+    for (unsigned int i = sse_iters * 8; i < num_points; ++i)
         {
             dotProduct += (*a++) * (*b++);
         }
@@ -273,13 +273,14 @@ static inline void volk_gnsssdr_8ic_x2_dot_prod_8ic_u_sse4_1(lv_8sc_t* result, c
  */
 static inline void volk_gnsssdr_8ic_x2_dot_prod_8ic_a_generic(lv_8sc_t* result, const lv_8sc_t* input, const lv_8sc_t* taps, unsigned int num_points)
 {
-    /*lv_8sc_t* cPtr = result;
-     const lv_8sc_t* aPtr = input;
-     const lv_8sc_t* bPtr = taps;
-
-     for(int number = 0; number < num_points; number++){
-     *cPtr += (*aPtr++) * (*bPtr++);
-     }*/
+    //    lv_8sc_t* cPtr = result;
+    //    const lv_8sc_t* aPtr = input;
+    //    const lv_8sc_t* bPtr = taps;
+    //
+    //    for(int number = 0; number < num_points; number++)
+    //        {
+    //            *cPtr += (*aPtr++) * (*bPtr++);
+    //        }
 
     char * res = (char*) result;
     char * in = (char*) input;
@@ -385,7 +386,7 @@ static inline void volk_gnsssdr_8ic_x2_dot_prod_8ic_a_sse2(lv_8sc_t* result, con
                 }
         }
 
-    for (unsigned int i = 0; i<(num_points % 8); ++i)
+    for (unsigned int i = sse_iters * 8; i < num_points; ++i)
         {
             dotProduct += (*a++) * (*b++);
         }
@@ -464,7 +465,7 @@ static inline void volk_gnsssdr_8ic_x2_dot_prod_8ic_a_sse4_1(lv_8sc_t* result, c
                 }
         }
 
-    for (unsigned int i = 0; i<(num_points % 8); ++i)
+    for (unsigned int i = sse_iters * 8; i < num_points; ++i)
         {
             dotProduct += (*a++) * (*b++);
         }

-- 
Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/pkg-hamradio/gnss-sdr.git