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made some things const -- doesn't really have an effect under gcc, but it might under some compilers

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added asm target to check to see if the assembly code changes
This commit is contained in:
Mark Borgerding 2004-02-08 17:10:02 +00:00
parent b61061d52a
commit b1dad2147b
3 changed files with 12 additions and 17 deletions
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8
Makefile
View File

@ -29,6 +29,10 @@ dist: tarball
upload: dist upload: dist
ncftpput upload.sourceforge.net incoming $(ZIPFILE) $(TARBALL) ncftpput upload.sourceforge.net incoming $(ZIPFILE) $(TARBALL)
asm: asm: kiss_fft.s
kiss_fft.s: kiss_fft.c kiss_fft.h _kiss_fft_guts.h
[ -e kiss_fft.s ] && mv kiss_fft.s kiss_fft.s~ || true
gcc -S kiss_fft.c -O3 -march=pentiumpro -ffast-math -fomit-frame-pointer -dA -fverbose-asm gcc -S kiss_fft.c -O3 -march=pentiumpro -ffast-math -fomit-frame-pointer -dA -fverbose-asm
[ -e kiss_fft.s~ ] && diff kiss_fft.s~ kiss_fft.s || true

9
_kiss_fft_guts.h
View File

@ -84,15 +84,6 @@ kiss_fft_cpx kf_cexp(double phase) /* returns e ** (j*phase) */
return x; return x;
} }
void kf_work(
kiss_fft_cpx * Fout,
const kiss_fft_cpx * f,
int fstride,
int in_skip,
int * factors,
const kiss_fft_state * st
);
/* a debugging function */ /* a debugging function */
#define pcpx(c)\ #define pcpx(c)\
fprintf(stderr,"%g + %gi\n",(double)((c)->r),(double)((c)->i) ) fprintf(stderr,"%g + %gi\n",(double)((c)->r),(double)((c)->i) )

12
kiss_fft.c
View File

@ -26,7 +26,7 @@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
static void kf_bfly2( static void kf_bfly2(
kiss_fft_cpx * Fout, kiss_fft_cpx * Fout,
int fstride, const int fstride,
const kiss_fft_state * st, const kiss_fft_state * st,
int m int m
) )
@ -49,7 +49,7 @@ static void kf_bfly2(
static void kf_bfly4( static void kf_bfly4(
kiss_fft_cpx * Fout, kiss_fft_cpx * Fout,
int fstride, const int fstride,
const kiss_fft_state * st, const kiss_fft_state * st,
int m int m
) )
@ -97,7 +97,7 @@ static void kf_bfly4(
static void kf_bfly3( static void kf_bfly3(
kiss_fft_cpx * Fout, kiss_fft_cpx * Fout,
int fstride, const int fstride,
const kiss_fft_state * st, const kiss_fft_state * st,
int m int m
) )
@ -143,7 +143,7 @@ static void kf_bfly3(
static void kf_bfly5( static void kf_bfly5(
kiss_fft_cpx * Fout, kiss_fft_cpx * Fout,
int fstride, const int fstride,
const kiss_fft_state * st, const kiss_fft_state * st,
int m int m
) )
@ -205,7 +205,7 @@ static void kf_bfly5(
/* perform the butterfly for one stage of a mixed radix FFT */ /* perform the butterfly for one stage of a mixed radix FFT */
static void kf_bfly_generic( static void kf_bfly_generic(
kiss_fft_cpx * Fout, kiss_fft_cpx * Fout,
int fstride, const int fstride,
const kiss_fft_state * st, const kiss_fft_state * st,
int m, int m,
int p int p
@ -244,7 +244,7 @@ static
void kf_work( void kf_work(
kiss_fft_cpx * Fout, kiss_fft_cpx * Fout,
const kiss_fft_cpx * f, const kiss_fft_cpx * f,
int fstride, const int fstride,
int in_stride, int in_stride,
int * factors, int * factors,
const kiss_fft_state * st const kiss_fft_state * st