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| author | Tomer Shalev <shalev.tomer@gmail.com> | 2010-01-17 22:03:36 +0000 |
|---|---|---|
| committer | Tomer Shalev <shalev.tomer@gmail.com> | 2010-01-17 22:03:36 +0000 |
| commit | 563f2602f471208cb8544a36539a79dcceaad643 (patch) | |
| tree | 0d78bda3fcd3ee085b2be88b9eba9255e22f4e6c /apps/plugins/fractals/cpu_arm.h | |
| parent | d8123629058c534835058f2db94ba1c2636408e2 (diff) | |
| download | rockbox-563f2602f471208cb8544a36539a79dcceaad643.zip rockbox-563f2602f471208cb8544a36539a79dcceaad643.tar.gz rockbox-563f2602f471208cb8544a36539a79dcceaad643.tar.bz2 rockbox-563f2602f471208cb8544a36539a79dcceaad643.tar.xz | |
Fractals: Have helper functions in header file to keep them inlined
- Should fix performance degradation caused because of the split
- Thanks for all who noticed (amiconn et al.)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24266 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/fractals/cpu_arm.h')
| -rw-r--r-- | apps/plugins/fractals/cpu_arm.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/apps/plugins/fractals/cpu_arm.h b/apps/plugins/fractals/cpu_arm.h index 51a3718..ea4595b 100644 --- a/apps/plugins/fractals/cpu_arm.h +++ b/apps/plugins/fractals/cpu_arm.h @@ -22,6 +22,21 @@ #ifndef _CPU_ARM_H #define _CPU_ARM_H -inline long muls32_asr26(long a, long b); +inline static long muls32_asr26(long a, long b) +{ + long r, t1; + asm ( + "smull %[r], %[t1], %[a], %[b] \n" + "mov %[r], %[r], lsr #26 \n" + "orr %[r], %[r], %[t1], lsl #6 \n" + : /* outputs */ + [r] "=&r,&r,&r"(r), + [t1]"=&r,&r,&r"(t1) + : /* inputs */ + [a] "%r,%r,%r" (a), + [b] "r,0,1" (b) + ); + return r; +} #endif |