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authorTomer Shalev <shalev.tomer@gmail.com>2010-01-17 22:03:36 +0000
committerTomer Shalev <shalev.tomer@gmail.com>2010-01-17 22:03:36 +0000
commit563f2602f471208cb8544a36539a79dcceaad643 (patch)
tree0d78bda3fcd3ee085b2be88b9eba9255e22f4e6c /apps
parentd8123629058c534835058f2db94ba1c2636408e2 (diff)
downloadrockbox-563f2602f471208cb8544a36539a79dcceaad643.tar.gz
rockbox-563f2602f471208cb8544a36539a79dcceaad643.zip
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')
-rw-r--r--apps/plugins/fractals/SOURCES7
-rw-r--r--apps/plugins/fractals/cpu_arm.c40
-rw-r--r--apps/plugins/fractals/cpu_arm.h17
-rw-r--r--apps/plugins/fractals/cpu_coldfire.c58
-rw-r--r--apps/plugins/fractals/cpu_coldfire.h35
-rw-r--r--apps/plugins/fractals/cpu_sh7043.c94
-rw-r--r--apps/plugins/fractals/cpu_sh7043.h71
7 files changed, 118 insertions, 204 deletions
diff --git a/apps/plugins/fractals/SOURCES b/apps/plugins/fractals/SOURCES
index 72a22467c2..a6ef819266 100644
--- a/apps/plugins/fractals/SOURCES
+++ b/apps/plugins/fractals/SOURCES
@@ -1,10 +1,3 @@
1fractal.c 1fractal.c
2fractal_rect.c 2fractal_rect.c
3mandelbrot_set.c 3mandelbrot_set.c
4#if CONFIG_CPU == SH7034
5cpu_sh7043.c
6#elif defined CPU_COLDFIRE
7cpu_coldfire.c
8#elif defined CPU_ARM
9cpu_arm.c
10#endif
diff --git a/apps/plugins/fractals/cpu_arm.c b/apps/plugins/fractals/cpu_arm.c
deleted file mode 100644
index 1d8b1a76f6..0000000000
--- a/apps/plugins/fractals/cpu_arm.c
+++ /dev/null
@@ -1,40 +0,0 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2009 Tomer Shalev
11 *
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ****************************************************************************/
22#include "cpu_arm.h"
23
24inline long muls32_asr26(long a, long b)
25{
26 long r, t1;
27 asm (
28 "smull %[r], %[t1], %[a], %[b] \n"
29 "mov %[r], %[r], lsr #26 \n"
30 "orr %[r], %[r], %[t1], lsl #6 \n"
31 : /* outputs */
32 [r] "=&r,&r,&r"(r),
33 [t1]"=&r,&r,&r"(t1)
34 : /* inputs */
35 [a] "%r,%r,%r" (a),
36 [b] "r,0,1" (b)
37 );
38 return r;
39}
40
diff --git a/apps/plugins/fractals/cpu_arm.h b/apps/plugins/fractals/cpu_arm.h
index 51a3718f66..ea4595b7d2 100644
--- a/apps/plugins/fractals/cpu_arm.h
+++ b/apps/plugins/fractals/cpu_arm.h
@@ -22,6 +22,21 @@
22#ifndef _CPU_ARM_H 22#ifndef _CPU_ARM_H
23#define _CPU_ARM_H 23#define _CPU_ARM_H
24 24
25inline long muls32_asr26(long a, long b); 25inline static long muls32_asr26(long a, long b)
26{
27 long r, t1;
28 asm (
29 "smull %[r], %[t1], %[a], %[b] \n"
30 "mov %[r], %[r], lsr #26 \n"
31 "orr %[r], %[r], %[t1], lsl #6 \n"
32 : /* outputs */
33 [r] "=&r,&r,&r"(r),
34 [t1]"=&r,&r,&r"(t1)
35 : /* inputs */
36 [a] "%r,%r,%r" (a),
37 [b] "r,0,1" (b)
38 );
39 return r;
40}
26 41
27#endif 42#endif
diff --git a/apps/plugins/fractals/cpu_coldfire.c b/apps/plugins/fractals/cpu_coldfire.c
deleted file mode 100644
index a005a3141e..0000000000
--- a/apps/plugins/fractals/cpu_coldfire.c
+++ /dev/null
@@ -1,58 +0,0 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2009 Tomer Shalev
11 *
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ****************************************************************************/
22#include "cpu_coldfire.h"
23
24inline short muls16_asr10(short a, short b)
25{
26 asm (
27 "muls.w %[a],%[b] \n"
28 "asr.l #8,%[b] \n"
29 "asr.l #2,%[b] \n"
30 : /* outputs */
31 [b]"+d"(b)
32 : /* inputs */
33 [a]"d" (a)
34 );
35 return b;
36}
37
38inline long muls32_asr26(long a, long b)
39{
40 long r, t1;
41 asm (
42 "mac.l %[a], %[b], %%acc0 \n" /* multiply */
43 "move.l %%accext01, %[t1] \n" /* get low part */
44 "movclr.l %%acc0, %[r] \n" /* get high part */
45 "asl.l #5, %[r] \n" /* hi <<= 5, plus one free */
46 "lsr.l #3, %[t1] \n" /* lo >>= 3 */
47 "and.l #0x1f, %[t1] \n" /* mask out unrelated bits */
48 "or.l %[t1], %[r] \n" /* combine result */
49 : /* outputs */
50 [r] "=d"(r),
51 [t1]"=d"(t1)
52 : /* inputs */
53 [a] "d" (a),
54 [b] "d" (b)
55 );
56 return r;
57}
58
diff --git a/apps/plugins/fractals/cpu_coldfire.h b/apps/plugins/fractals/cpu_coldfire.h
index 452f18e2c5..9be207ee2f 100644
--- a/apps/plugins/fractals/cpu_coldfire.h
+++ b/apps/plugins/fractals/cpu_coldfire.h
@@ -22,8 +22,39 @@
22#ifndef _CPU_COLDFIRE_H 22#ifndef _CPU_COLDFIRE_H
23#define _CPU_COLDFIRE_H 23#define _CPU_COLDFIRE_H
24 24
25inline short muls16_asr10(short a, short b); 25inline static short muls16_asr10(short a, short b)
26{
27 asm (
28 "muls.w %[a],%[b] \n"
29 "asr.l #8,%[b] \n"
30 "asr.l #2,%[b] \n"
31 : /* outputs */
32 [b]"+d"(b)
33 : /* inputs */
34 [a]"d" (a)
35 );
36 return b;
37}
26 38
27inline long muls32_asr26(long a, long b); 39inline static long muls32_asr26(long a, long b)
40{
41 long r, t1;
42 asm (
43 "mac.l %[a], %[b], %%acc0 \n" /* multiply */
44 "move.l %%accext01, %[t1] \n" /* get low part */
45 "movclr.l %%acc0, %[r] \n" /* get high part */
46 "asl.l #5, %[r] \n" /* hi <<= 5, plus one free */
47 "lsr.l #3, %[t1] \n" /* lo >>= 3 */
48 "and.l #0x1f, %[t1] \n" /* mask out unrelated bits */
49 "or.l %[t1], %[r] \n" /* combine result */
50 : /* outputs */
51 [r] "=d"(r),
52 [t1]"=d"(t1)
53 : /* inputs */
54 [a] "d" (a),
55 [b] "d" (b)
56 );
57 return r;
58}
28 59
29#endif 60#endif
diff --git a/apps/plugins/fractals/cpu_sh7043.c b/apps/plugins/fractals/cpu_sh7043.c
deleted file mode 100644
index 1bce37d654..0000000000
--- a/apps/plugins/fractals/cpu_sh7043.c
+++ /dev/null
@@ -1,94 +0,0 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2009 Tomer Shalev
11 *
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License
15 * as published by the Free Software Foundation; either version 2
16 * of the License, or (at your option) any later version.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ****************************************************************************/
22#include "cpu_sh7043.h"
23
24inline short muls16_asr10(short a, short b)
25{
26 short r;
27 asm (
28 "muls %[a],%[b] \n"
29 "sts macl,%[r] \n"
30 "shlr8 %[r] \n"
31 "shlr2 %[r] \n"
32 : /* outputs */
33 [r]"=r"(r)
34 : /* inputs */
35 [a]"r"(a),
36 [b]"r"(b)
37 );
38 return r;
39}
40
41inline long muls32_asr26(long a, long b)
42{
43 long r, t1, t2, t3;
44 asm (
45 /* Signed 32bit * 32bit -> 64bit multiplication.
46 Notation: xxab * xxcd, where each letter represents 16 bits.
47 xx is the 64 bit sign extension. */
48 "swap.w %[a],%[t1] \n" /* t1 = ba */
49 "mulu %[t1],%[b] \n" /* a * d */
50 "swap.w %[b],%[t3] \n" /* t3 = dc */
51 "sts macl,%[t2] \n" /* t2 = a * d */
52 "mulu %[t1],%[t3] \n" /* a * c */
53 "sts macl,%[r] \n" /* hi = a * c */
54 "mulu %[a],%[t3] \n" /* b * c */
55 "clrt \n"
56 "sts macl,%[t3] \n" /* t3 = b * c */
57 "addc %[t2],%[t3] \n" /* t3 += t2, carry -> t2 */
58 "movt %[t2] \n"
59 "mulu %[a],%[b] \n" /* b * d */
60 "mov %[t3],%[t1] \n" /* t1t3 = t2t3 << 16 */
61 "xtrct %[t2],%[t1] \n"
62 "shll16 %[t3] \n"
63 "sts macl,%[t2] \n" /* lo = b * d */
64 "clrt \n" /* hi.lo += t1t3 */
65 "addc %[t3],%[t2] \n"
66 "addc %[t1],%[r] \n"
67 "cmp/pz %[a] \n" /* ab >= 0 ? */
68 "bt 1f \n"
69 "sub %[b],%[r] \n" /* no: hi -= cd (sign extension of ab is -1) */
70 "1: \n"
71 "cmp/pz %[b] \n" /* cd >= 0 ? */
72 "bt 2f \n"
73 "sub %[a],%[r] \n" /* no: hi -= ab (sign extension of cd is -1) */
74 "2: \n"
75 /* Shift right by 26 and return low 32 bits */
76 "shll2 %[r] \n" /* hi <<= 6 */
77 "shll2 %[r] \n"
78 "shll2 %[r] \n"
79 "shlr16 %[t2] \n" /* (unsigned)lo >>= 26 */
80 "shlr8 %[t2] \n"
81 "shlr2 %[t2] \n"
82 "or %[t2],%[r] \n" /* combine result */
83 : /* outputs */
84 [r] "=&r"(r),
85 [t1]"=&r"(t1),
86 [t2]"=&r"(t2),
87 [t3]"=&r"(t3)
88 : /* inputs */
89 [a] "r" (a),
90 [b] "r" (b)
91 );
92 return r;
93}
94
diff --git a/apps/plugins/fractals/cpu_sh7043.h b/apps/plugins/fractals/cpu_sh7043.h
index 4805092377..0d773432a8 100644
--- a/apps/plugins/fractals/cpu_sh7043.h
+++ b/apps/plugins/fractals/cpu_sh7043.h
@@ -22,8 +22,75 @@
22#ifndef _CPU_SH7043_H 22#ifndef _CPU_SH7043_H
23#define _CPU_SH7043_H 23#define _CPU_SH7043_H
24 24
25inline short muls16_asr10(short a, short b); 25inline static short muls16_asr10(short a, short b)
26{
27 short r;
28 asm (
29 "muls %[a],%[b] \n"
30 "sts macl,%[r] \n"
31 "shlr8 %[r] \n"
32 "shlr2 %[r] \n"
33 : /* outputs */
34 [r]"=r"(r)
35 : /* inputs */
36 [a]"r"(a),
37 [b]"r"(b)
38 );
39 return r;
40}
26 41
27inline long muls32_asr26(long a, long b); 42inline static long muls32_asr26(long a, long b)
43{
44 long r, t1, t2, t3;
45 asm (
46 /* Signed 32bit * 32bit -> 64bit multiplication.
47 Notation: xxab * xxcd, where each letter represents 16 bits.
48 xx is the 64 bit sign extension. */
49 "swap.w %[a],%[t1] \n" /* t1 = ba */
50 "mulu %[t1],%[b] \n" /* a * d */
51 "swap.w %[b],%[t3] \n" /* t3 = dc */
52 "sts macl,%[t2] \n" /* t2 = a * d */
53 "mulu %[t1],%[t3] \n" /* a * c */
54 "sts macl,%[r] \n" /* hi = a * c */
55 "mulu %[a],%[t3] \n" /* b * c */
56 "clrt \n"
57 "sts macl,%[t3] \n" /* t3 = b * c */
58 "addc %[t2],%[t3] \n" /* t3 += t2, carry -> t2 */
59 "movt %[t2] \n"
60 "mulu %[a],%[b] \n" /* b * d */
61 "mov %[t3],%[t1] \n" /* t1t3 = t2t3 << 16 */
62 "xtrct %[t2],%[t1] \n"
63 "shll16 %[t3] \n"
64 "sts macl,%[t2] \n" /* lo = b * d */
65 "clrt \n" /* hi.lo += t1t3 */
66 "addc %[t3],%[t2] \n"
67 "addc %[t1],%[r] \n"
68 "cmp/pz %[a] \n" /* ab >= 0 ? */
69 "bt 1f \n"
70 "sub %[b],%[r] \n" /* no: hi -= cd (sign extension of ab is -1) */
71 "1: \n"
72 "cmp/pz %[b] \n" /* cd >= 0 ? */
73 "bt 2f \n"
74 "sub %[a],%[r] \n" /* no: hi -= ab (sign extension of cd is -1) */
75 "2: \n"
76 /* Shift right by 26 and return low 32 bits */
77 "shll2 %[r] \n" /* hi <<= 6 */
78 "shll2 %[r] \n"
79 "shll2 %[r] \n"
80 "shlr16 %[t2] \n" /* (unsigned)lo >>= 26 */
81 "shlr8 %[t2] \n"
82 "shlr2 %[t2] \n"
83 "or %[t2],%[r] \n" /* combine result */
84 : /* outputs */
85 [r] "=&r"(r),
86 [t1]"=&r"(t1),
87 [t2]"=&r"(t2),
88 [t3]"=&r"(t3)
89 : /* inputs */
90 [a] "r" (a),
91 [b] "r" (b)
92 );
93 return r;
94}
28 95
29#endif 96#endif
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