Assemblerised CMUL() for ARM, giving ~20% speedup.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13787 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 0 insertions, 24 deletions

diff --git a/apps/codecs/libwma/wmafixed.h b/apps/codecs/libwma/wmafixed.h
index 887973a78a..99ddec759e 100644
--- a/apps/codecs/libwma/wmafixed.h
+++ b/apps/codecs/libwma/wmafixed.h
@@ -61,30 +61,6 @@ long fsincos(unsigned long phase, fixed32 *cos);
        __result;  \
     })
 
-/*
-        Special fixmul32 that does a 16.16 x 1.31 multiply that returns a 16.16 value.
-        this is needed because the fft constants are all normalized to be less then 1
-        and can't fit into a 16 bit number without excessive rounding
-
-
-*/
-
-
-#  define fixmul32b(x, y)  \
-    ({ int32_t __hi;  \
-       uint32_t __lo;  \
-       int32_t __result;  \
-       asm ("smull    %0, %1, %3, %4\n\t"  \
-        "movs    %0, %0, lsr %5\n\t"  \
-        "adc    %2, %0, %1, lsl %6"  \
-        : "=&r" (__lo), "=&r" (__hi), "=r" (__result)  \
-        : "%r" (x), "r" (y),  \
-          "M" (31), "M" (1)  \
-        : "cc");  \
-       __result;  \
-    })
-
-
 #elif defined(CPU_COLDFIRE)
 static inline int32_t fixmul32(int32_t x, int32_t y)
 {