diff --git a/cmdutils.c b/cmdutils.c
index e90a9ee6fb..5fdb1a6ba2 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -655,8 +655,9 @@ static void print_program_info(int flags, int level)
         av_log(NULL, level, " Copyright (c) %d-%d the FFmpeg developers",
                program_birth_year, this_year);
     av_log(NULL, level, "\n");
-    av_log(NULL, level, "%sbuilt on %s %s with %s %s\n",
-           indent, __DATE__, __TIME__, CC_TYPE, CC_VERSION);
+    av_log(NULL, level, "%sbuilt on %s %s with %s\n",
+           indent, __DATE__, __TIME__, CC_IDENT);
+
     av_log(NULL, level, "%sconfiguration: " FFMPEG_CONFIGURATION "\n", indent);
 }
 
diff --git a/configure b/configure
index 7b25877a69..300f1284e9 100755
--- a/configure
+++ b/configure
@@ -1869,7 +1869,6 @@ postproc_version_default="current"
 ar_default="ar"
 cc_default="gcc"
 cxx_default="g++"
-cc_version=\"unknown\"
 host_cc_default="gcc"
 install="install"
 ln_s="ln -sf"
@@ -2225,7 +2224,6 @@ filter_cppflags=echo
 
 if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
     cc_type=llvm_gcc
-    cc_version=__VERSION__
     gcc_extra_ver=$(expr "$($cc --version | head -n1)" : '.*\((.*)\)')
     cc_ident="llvm-gcc $($cc -dumpversion) $gcc_extra_ver"
     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
@@ -2234,7 +2232,6 @@ if   $cc -v 2>&1 | grep -q '^gcc.*LLVM'; then
     size_cflags='-Os'
 elif $cc -v 2>&1 | grep -qi ^gcc; then
     cc_type=gcc
-    cc_version=__VERSION__
     gcc_version=$($cc --version | head -n1)
     gcc_basever=$($cc -dumpversion)
     gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')
@@ -2248,7 +2245,6 @@ elif $cc -v 2>&1 | grep -qi ^gcc; then
     size_cflags='-Os'
 elif $cc --version 2>/dev/null | grep -q Intel; then
     cc_type=icc
-    cc_version="AV_STRINGIFY(__INTEL_COMPILER)"
     cc_ident=$($cc --version | head -n1)
     icc_version=$($cc -dumpversion)
     CC_DEPFLAGS='-MMD'
@@ -2258,13 +2254,11 @@ elif $cc --version 2>/dev/null | grep -q Intel; then
     noopt_cflags='-O1'
 elif $cc -v 2>&1 | grep -q xlc; then
     cc_type=xlc
-    cc_version="AV_STRINGIFY(__IBMC__)"
     cc_ident=$($cc -qversion 2>/dev/null | head -n1)
     speed_cflags='-O5'
     size_cflags='-O5 -qcompact'
 elif $cc -V 2>/dev/null | grep -q Compaq; then
     cc_type=ccc
-    cc_version="AV_STRINGIFY(__DECC_VER)"
     cc_ident=$($cc -V | head -n1 | cut -d' ' -f1-3)
     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -M'
     debuglevel=3
@@ -2274,7 +2268,6 @@ elif $cc -V 2>/dev/null | grep -q Compaq; then
 elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
     test -d "$sysroot" || die "No valid sysroot specified."
     cc_type=armcc
-    cc_version="AV_STRINGIFY(__ARMCC_VERSION)"
     cc_ident=$($cc --vsn | head -n1)
     armcc_conf="$PWD/armcc.conf"
     $cc --arm_linux_configure                 \
@@ -2292,7 +2285,6 @@ elif $cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
     filter_asflags="filter_out -W${armcc_opt}*"
 elif $cc -version 2>/dev/null | grep -q TMS470; then
     cc_type=tms470
-    cc_version="AV_STRINGIFY(__TI_COMPILER_VERSION__)"
     cc_ident=$($cc -version | head -n1 | tr -s ' ')
     cc="$cc --gcc --abi=eabi -eo=.o -mc -me"
     CC_O='-fr=$(@D)'
@@ -2332,8 +2324,6 @@ elif $cc -version 2>/dev/null | grep -q TMS470; then
     }
 elif $cc -v 2>&1 | grep -q clang; then
     cc_type=clang
-    $cc -dM -E $TMPC | grep -q __clang_version__ &&
-        cc_version=__clang_version__ || cc_version=__VERSION__
     cc_ident=$($cc --version | head -n1)
     CC_DEPFLAGS='-MMD'
     AS_DEPFLAGS='-MMD'
@@ -2341,7 +2331,6 @@ elif $cc -v 2>&1 | grep -q clang; then
     size_cflags='-Os'
 elif $cc -V 2>&1 | grep -q Sun; then
     cc_type=suncc
-    cc_version="AV_STRINGIFY(__SUNPRO_C)"
     cc_ident=$($cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)
     DEPEND_CMD='$(DEPCC) $(DEPFLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'
     DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -xM1'
@@ -2384,7 +2373,6 @@ elif $cc -V 2>&1 | grep -q Sun; then
     }
 elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
     cc_type=pathscale
-    cc_version=__PATHSCALE__
     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
@@ -2393,7 +2381,6 @@ elif $cc -v 2>&1 | grep -q 'PathScale\|Path64'; then
     filter_cflags='filter_out -Wdisabled-optimization'
 elif $cc -v 2>&1 | grep -q Open64; then
     cc_type=open64
-    cc_version=__OPEN64__
     cc_ident=$($cc -v 2>&1 | head -n1 | tr -d :)
     CC_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
     AS_DEPFLAGS='-MMD -MF $(@:.o=.d) -MT $@'
@@ -2402,7 +2389,6 @@ elif $cc -v 2>&1 | grep -q Open64; then
     filter_cflags='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'
 elif $cc -V 2>&1 | grep -q Portland; then
     cc_type=pgi
-    cc_version='AV_STRINGIFY(__PGIC__.__PGIC_MINOR__.__PGIC_PATCHLEVEL__)'
     cc_ident="PGI $($cc -V 2>&1 | awk '/^pgcc/ { print $2; exit }')"
     opt_common='-alias=ansi -Mlre -Mpre'
     speed_cflags="-O3 -Mautoinline -Munroll=c:4 $opt_common"
@@ -3892,8 +3878,7 @@ cat > $TMPH <<EOF
 #define FFMPEG_LICENSE "$(c_escape $license)"
 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
-#define CC_TYPE "$cc_type"
-#define CC_VERSION $cc_version
+#define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
 #define av_restrict $_restrict
 #define EXTERN_PREFIX "${extern_prefix}"
 #define EXTERN_ASM ${extern_prefix}
diff --git a/ffprobe.c b/ffprobe.c
index 20b0baa0ca..5b703486db 100644
--- a/ffprobe.c
+++ b/ffprobe.c
@@ -2009,8 +2009,7 @@ static void ffprobe_show_program_version(WriterContext *w)
               program_birth_year, this_year);
     print_str("build_date", __DATE__);
     print_str("build_time", __TIME__);
-    print_str("compiler_type", CC_TYPE);
-    print_str("compiler_version", CC_VERSION);
+    print_str("compiler_ident", CC_IDENT);
     print_str("configuration", FFMPEG_CONFIGURATION);
     print_section_footer("program_version");
     writer_print_chapter_footer(w, "program_version");
diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c
index d7cd94896c..f0b0b3e6f1 100644
--- a/libavcodec/flacdec.c
+++ b/libavcodec/flacdec.c
@@ -321,7 +321,7 @@ static int decode_subframe_lpc(FLACContext *s, int channel, int pred_order,
     }
 
     for (i = 0; i < pred_order; i++) {
-        coeffs[i] = get_sbits(&s->gb, coeff_prec);
+        coeffs[pred_order - i - 1] = get_sbits(&s->gb, coeff_prec);
     }
 
     if (decode_residuals(s, channel, pred_order) < 0)
diff --git a/libavcodec/flacdsp.c b/libavcodec/flacdsp.c
index bb2a920a72..6c2458fc10 100644
--- a/libavcodec/flacdsp.c
+++ b/libavcodec/flacdsp.c
@@ -45,27 +45,26 @@ static void flac_lpc_16_c(int32_t *decoded, const int coeffs[32],
 {
     int i, j;
 
-    for (i = pred_order; i < len - 1; i += 2) {
-        int c;
-        int d = decoded[i-pred_order];
+    for (i = pred_order; i < len - 1; i += 2, decoded += 2) {
+        int c = coeffs[0];
+        int d = decoded[0];
         int s0 = 0, s1 = 0;
-        for (j = pred_order-1; j > 0; j--) {
-            c = coeffs[j];
+        for (j = 1; j < pred_order; j++) {
             s0 += c*d;
-            d = decoded[i-j];
+            d = decoded[j];
             s1 += c*d;
+            c = coeffs[j];
         }
-        c = coeffs[0];
         s0 += c*d;
-        d = decoded[i] += s0 >> qlevel;
+        d = decoded[j] += s0 >> qlevel;
         s1 += c*d;
-        decoded[i+1] += s1 >> qlevel;
+        decoded[j + 1] += s1 >> qlevel;
     }
     if (i < len) {
         int sum = 0;
         for (j = 0; j < pred_order; j++)
-            sum += coeffs[j] * decoded[i-j-1];
-        decoded[i] += sum >> qlevel;
+            sum += coeffs[j] * decoded[j];
+        decoded[j] += sum >> qlevel;
     }
 }
 
@@ -74,11 +73,11 @@ static void flac_lpc_32_c(int32_t *decoded, const int coeffs[32],
 {
     int i, j;
 
-    for (i = pred_order; i < len; i++) {
+    for (i = pred_order; i < len; i++, decoded++) {
         int64_t sum = 0;
         for (j = 0; j < pred_order; j++)
-            sum += (int64_t)coeffs[j] * decoded[i-j-1];
-        decoded[i] += sum >> qlevel;
+            sum += (int64_t)coeffs[j] * decoded[j];
+        decoded[j] += sum >> qlevel;
     }
 
 }
diff --git a/libavcodec/x86/dsputil_mmx.c b/libavcodec/x86/dsputil_mmx.c
index 8049bdea72..ee3243c27b 100644
--- a/libavcodec/x86/dsputil_mmx.c
+++ b/libavcodec/x86/dsputil_mmx.c
@@ -3107,21 +3107,6 @@ void ff_dsputil_init_mmx(DSPContext *c, AVCodecContext *avctx)
 {
     int mm_flags = av_get_cpu_flags();
 
-#if 0
-    av_log(avctx, AV_LOG_INFO, "libavcodec: CPU flags:");
-    if (mm_flags & AV_CPU_FLAG_MMX)
-        av_log(avctx, AV_LOG_INFO, " mmx");
-    if (mm_flags & AV_CPU_FLAG_MMX2)
-        av_log(avctx, AV_LOG_INFO, " mmx2");
-    if (mm_flags & AV_CPU_FLAG_3DNOW)
-        av_log(avctx, AV_LOG_INFO, " 3dnow");
-    if (mm_flags & AV_CPU_FLAG_SSE)
-        av_log(avctx, AV_LOG_INFO, " sse");
-    if (mm_flags & AV_CPU_FLAG_SSE2)
-        av_log(avctx, AV_LOG_INFO, " sse2");
-    av_log(avctx, AV_LOG_INFO, "\n");
-#endif
-
     if (mm_flags & AV_CPU_FLAG_MMX) {
         const int idct_algo = avctx->idct_algo;