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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-17 09:25:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-17 09:25:03 +0000
commit69bbe4464f21e1a8afaaa2fba7f6557aa89ee544 (patch)
tree077fec58affc58aa399002e58239c35fecd34c90 /carl9170fw/carlfw/src/udivsi3_i4i-Os.S
parentAdding upstream version 20200122. (diff)
downloadfirmware-free-upstream.tar.xz
firmware-free-upstream.zip
Adding upstream version 20240610.upstream/20240610upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'carl9170fw/carlfw/src/udivsi3_i4i-Os.S')
-rw-r--r--carl9170fw/carlfw/src/udivsi3_i4i-Os.S149
1 files changed, 0 insertions, 149 deletions
diff --git a/carl9170fw/carlfw/src/udivsi3_i4i-Os.S b/carl9170fw/carlfw/src/udivsi3_i4i-Os.S
deleted file mode 100644
index 7bbec4c..0000000
--- a/carl9170fw/carlfw/src/udivsi3_i4i-Os.S
+++ /dev/null
@@ -1,149 +0,0 @@
-/* Copyright (C) 2006 Free Software Foundation, Inc.
-
-This file is free software; you can redistribute it and/or modify it
-under the terms of the GNU General Public License as published by the
-Free Software Foundation; either version 2, or (at your option) any
-later version.
-
-In addition to the permissions in the GNU General Public License, the
-Free Software Foundation gives you unlimited permission to link the
-compiled version of this file into combinations with other programs,
-and to distribute those combinations without any restriction coming
-from the use of this file. (The General Public License restrictions
-do apply in other respects; for example, they cover modification of
-the file, and distribution when not linked into a combine
-executable.)
-
-This file is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; see the file COPYING. If not, write to
-the Free Software Foundation, 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
-
-/* Moderately Space-optimized libgcc routines for the Renesas SH /
- STMicroelectronics ST40 CPUs.
- Contributed by J"orn Rennecke joern.rennecke@st.com. */
-
-/* Size: 186 bytes jointly for udivsi3_i4i and sdivsi3_i4i
- sh4-200 run times:
- udiv small divisor: 55 cycles
- udiv large divisor: 52 cycles
- sdiv small divisor, positive result: 59 cycles
- sdiv large divisor, positive result: 56 cycles
- sdiv small divisor, negative result: 65 cycles (*)
- sdiv large divisor, negative result: 62 cycles (*)
- (*): r2 is restored in the rts delay slot and has a lingering latency
- of two more cycles. */
- .balign 4
- .global ___udivsi3_i4i
- .global ___udivsi3_i4
- .set ___udivsi3_i4, ___udivsi3_i4i
- .type ___udivsi3_i4i, @function
- .type ___sdivsi3_i4i, @function
-___udivsi3_i4i:
- sts pr,r1
- mov.l r4,@-r15
- extu.w r5,r0
- cmp/eq r5,r0
- swap.w r4,r0
- shlr16 r4
- bf/s large_divisor
- div0u
- mov.l r5,@-r15
- shll16 r5
-sdiv_small_divisor:
- div1 r5,r4
- bsr div6
- div1 r5,r4
- div1 r5,r4
- bsr div6
- div1 r5,r4
- xtrct r4,r0
- xtrct r0,r4
- bsr div7
- swap.w r4,r4
- div1 r5,r4
- bsr div7
- div1 r5,r4
- xtrct r4,r0
- mov.l @r15+,r5
- swap.w r0,r0
- mov.l @r15+,r4
- jmp @r1
- rotcl r0
-div7:
- div1 r5,r4
-div6:
- div1 r5,r4; div1 r5,r4; div1 r5,r4
- div1 r5,r4; div1 r5,r4; rts; div1 r5,r4
-
-divx3:
- rotcl r0
- div1 r5,r4
- rotcl r0
- div1 r5,r4
- rotcl r0
- rts
- div1 r5,r4
-
-large_divisor:
- mov.l r5,@-r15
-sdiv_large_divisor:
- xor r4,r0
- .rept 4
- rotcl r0
- bsr divx3
- div1 r5,r4
- .endr
- mov.l @r15+,r5
- mov.l @r15+,r4
- jmp @r1
- rotcl r0
-
- .global __sdivsi3_i4i
- .global __sdivsi3_i4
- .global __sdivsi3
- .set __sdivsi3_i4, __sdivsi3_i4i
- .set __sdivsi3, __sdivsi3_i4i
-__sdivsi3_i4i:
- mov.l r4,@-r15
- cmp/pz r5
- mov.l r5,@-r15
- bt/s pos_divisor
- cmp/pz r4
- neg r5,r5
- extu.w r5,r0
- bt/s neg_result
- cmp/eq r5,r0
- neg r4,r4
-pos_result:
- swap.w r4,r0
- bra sdiv_check_divisor
- sts pr,r1
-pos_divisor:
- extu.w r5,r0
- bt/s pos_result
- cmp/eq r5,r0
- neg r4,r4
-neg_result:
- mova negate_result,r0
- ;
- mov r0,r1
- swap.w r4,r0
- lds r2,macl
- sts pr,r2
-sdiv_check_divisor:
- shlr16 r4
- bf/s sdiv_large_divisor
- div0u
- bra sdiv_small_divisor
- shll16 r5
- .balign 4
-negate_result:
- neg r0,r0
- jmp @r2
- sts macl,r2