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author | Jens Arnold <amiconn@rockbox.org> | 2009-02-15 23:13:26 +0000 |
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committer | Jens Arnold <amiconn@rockbox.org> | 2009-02-15 23:13:26 +0000 |
commit | d8ff94121fd855d86a10a4bb98ad426a3e119c20 (patch) | |
tree | 19eca173173d72541385308bc9399b7ad6de300f /apps/recorder/resize.h | |
parent | 789b0a2eb9ae94a10abd590c91e3ae8588137e37 (diff) | |
download | rockbox-d8ff94121fd855d86a10a4bb98ad426a3e119c20.tar.gz rockbox-d8ff94121fd855d86a10a4bb98ad426a3e119c20.zip |
Get rid of a useless copy instruction in the SH1 32*32->64bit multiply routines (signed and unsigned).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20013 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/recorder/resize.h')
-rw-r--r-- | apps/recorder/resize.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/apps/recorder/resize.h b/apps/recorder/resize.h index d1dabaae09..4ea4eaa9a0 100644 --- a/apps/recorder/resize.h +++ b/apps/recorder/resize.h | |||
@@ -78,14 +78,13 @@ static inline unsigned sc_mul32(unsigned a, unsigned b) | |||
78 | "addc %[t2], %[t3] \n" /* t3 += t2, carry -> t2 */ | 78 | "addc %[t2], %[t3] \n" /* t3 += t2, carry -> t2 */ |
79 | "movt %[t2] \n" | 79 | "movt %[t2] \n" |
80 | "mulu %[a], %[b] \n" /* b * d */ | 80 | "mulu %[a], %[b] \n" /* b * d */ |
81 | "mov %[t3], %[t1] \n" /* t2t3 <<= 16 */ | 81 | "mov %[t3], %[t1] \n" /* t1t3 = t2t3 << 16 */ |
82 | "xtrct %[t2], %[t1] \n" | 82 | "xtrct %[t2], %[t1] \n" |
83 | "mov %[t1], %[t2] \n" | ||
84 | "shll16 %[t3] \n" | 83 | "shll16 %[t3] \n" |
85 | "sts macl, %[t1] \n" /* lo = b * d */ | 84 | "sts macl, %[t2] \n" /* lo = b * d */ |
86 | "clrt \n" /* hi.lo += t2t3 */ | 85 | "clrt \n" /* hi.lo += t1t3 */ |
87 | "addc %[t3], %[t1] \n" | 86 | "addc %[t3], %[t2] \n" |
88 | "addc %[t2], %[r] \n" | 87 | "addc %[t1], %[r] \n" |
89 | : /* outputs */ | 88 | : /* outputs */ |
90 | [r] "=&r"(r), | 89 | [r] "=&r"(r), |
91 | [t1]"=&r"(t1), | 90 | [t1]"=&r"(t1), |