workaround for simd lut in debug mode

CMakeLists.txt

@@ -100,7 +100,7 @@ if(CMAKE_COMPILER_IS_GNUCC)
 
   if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
     find_package(SSE)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -DDEBUG_MODE")
     if(HAVE_AVX)
       set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native -mfpmath=sse -mavx -DLV_HAVE_AVX -DLV_HAVE_SSE")      
     elseif(HAVE_SSE)

srslte/lib/fec/rm_turbo.c

@@ -36,6 +36,11 @@
 #include "srslte/utils/vector.h"
 #include "srslte/fec/cbsegm.h"
 
+#ifdef DEBUG_MODE
+#warning FIXME: Disabling SSE/AVX turbo rate matching 
+#undef LV_HAVE_SSE
+#undef LV_HAVE_AVX
+#endif
 
 #ifdef LV_HAVE_SSE
 #include <smmintrin.h>

srslte/lib/utils/vector.c

@@ -285,6 +285,10 @@ void srslte_vec_lut_fuf(float *x, uint32_t *lut, float *y, uint32_t len) {
 }
 
 void srslte_vec_lut_sss(short *x, unsigned short *lut, short *y, uint32_t len) {
+#ifdef DEBUG_MODE
+#warning FIXME: Disabling SSE/AVX in srslte_vec_lut_sss
+  srslte_vec_lut_sss_simd(x, lut, y, len);
+#else
 #ifndef LV_HAVE_SSE
   for (int i=0;i<len;i++) {
     y[lut[i]] = x[i];
@@ -292,6 +296,7 @@ void srslte_vec_lut_sss(short *x, unsigned short *lut, short *y, uint32_t len) {
 #else
   srslte_vec_lut_sss_simd(x, lut, y, len);
 #endif
+#endif
 }
 
 void srslte_vec_interleave_cf(float *real, float *imag, cf_t *x, uint32_t len) {

srslte/lib/utils/vector_simd.c

@@ -213,6 +213,7 @@ void srslte_vec_sc_div2_sss_simd(short *x, int k, short *z, uint32_t len)
 /* No improvement with AVX */
 void srslte_vec_lut_sss_simd(short *x, unsigned short *lut, short *y, uint32_t len)
 {
+#ifndef DEBUG_MODE
 #ifdef LV_HAVE_SSE
   unsigned int number = 0;
   const unsigned int points = len / 8;
@@ -240,6 +241,7 @@ void srslte_vec_lut_sss_simd(short *x, unsigned short *lut, short *y, uint32_t l
     y[lut[number]] = x[number];
   }
 #endif  
+#endif
 }
 
 /* Modified from volk_32f_s32f_convert_16i_a_simd2. Removed clipping */