OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

lib1funcs.asm (__prefer_thumb__): New define.

Browse Source 
2010-02-18  Sebastian Huber <sebastian.huber@embedded-brains.de>

	* config/arm/lib1funcs.asm (__prefer_thumb__): New define.
	(udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
	if __prefer_thumb__ is defined.

From-SVN: r156868
This commit is contained in:
Sebastian Huber 2010-02-18 17:29:58 +00:00 committed by Richard Earnshaw
parent 2f95713bd9
commit 8168ccc0d9
2 changed files with 22 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
* config/arm/lib1funcs.asm (__prefer_thumb__): New define.
(udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
if __prefer_thumb__ is defined.
2010-02-18 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/43066

20
gcc/config/arm/lib1funcs.asm
View File

@ -112,6 +112,18 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#error Unable to determine architecture.
#endif
/* There are times when we might prefer Thumb1 code even if ARM code is
permitted, for example, the code might be smaller, or there might be
interworking problems with switching to ARM state if interworking is
disabled. */
#if (defined(__thumb__) \
&& !defined(__thumb2__) \
&& (!defined(__THUMB_INTERWORK__) \
|| defined (__OPTIMIZE_SIZE__) \
|| defined(__ARM_ARCH_6M__)))
# define __prefer_thumb__
#endif
/* How to return from a function call depends on the architecture variant. */
#if (__ARM_ARCH__ > 4) || defined(__ARM_ARCH_4T__)
@ -917,7 +929,7 @@ LSYM(Lgot_result):
/* ------------------------------------------------------------------------ */
#ifdef L_udivsi3
#if defined(__ARM_ARCH_6M__)
#if defined(__prefer_thumb__)
FUNC_START udivsi3
FUNC_ALIAS aeabi_uidiv udivsi3
@ -974,7 +986,7 @@ LSYM(udivsi3_skip_div0_test):
DIV_FUNC_END udivsi3 unsigned
#if defined(__ARM_ARCH_6M__)
#if defined(__prefer_thumb__)
FUNC_START aeabi_uidivmod
cmp r1, #0
beq LSYM(Ldiv0)
@ -1042,7 +1054,7 @@ LSYM(Lover10):
/* ------------------------------------------------------------------------ */
#ifdef L_divsi3
#if defined(__ARM_ARCH_6M__)
#if defined(__prefer_thumb__)
FUNC_START divsi3
FUNC_ALIAS aeabi_idiv divsi3
@ -1130,7 +1142,7 @@ LSYM(divsi3_skip_div0_test):
DIV_FUNC_END divsi3 signed
#if defined(__ARM_ARCH_6M__)
#if defined(__prefer_thumb__)
FUNC_START aeabi_idivmod
cmp r1, #0
beq LSYM(Ldiv0)