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[ARC] [libgcc] Fix defines

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libgcc/
2016-11-15  Claudiu Zissulescu  <claziss@synopsys.com>

	* config/arc/lib1funcs.S (__mulsi3): Use feature defines instead
	of checking for cpus.
	(__umulsidi3, __umulsi3_highpart, __udivmodsi4, __divsi3)
	(__modsi3, __clzsi2): Likewise.

From-SVN: r242428
This commit is contained in:
Claudiu Zissulescu 2016-11-15 16:42:17 +01:00 committed by Claudiu Zissulescu
parent 0c8a8fe248
commit d64af69fd5
2 changed files with 31 additions and 21 deletions
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7
libgcc/ChangeLog
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@ -1,3 +1,10 @@
2016-11-15 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/lib1funcs.S (__mulsi3): Use feature defines instead
of checking for cpus.
(__umulsidi3, __umulsi3_highpart, __udivmodsi4, __divsi3)
(__modsi3, __clzsi2): Likewise.
2016-11-11 Szabolcs Nagy <szabolcs.nagy@arm.com>
* config.host (i[3456]86-*-musl*, x86_64-*-musl*): Use

45
libgcc/config/arc/lib1funcs.S
View File

@ -79,7 +79,7 @@ SYM(__mulsi3):
j_s.d [blink]
mov_s r0,mlo
ENDFUNC(__mulsi3)
#elif defined (__ARC700__) || defined (__HS__)
#elif defined (__ARC_MPY__)
HIDDEN_FUNC(__mulsi3)
mpyu r0,r0,r1
nop_s
@ -98,7 +98,7 @@ SYM(__mulsi3):
add_s r1,r1,r1
.Lend: j_s [blink]
ENDFUNC(__mulsi3)
#elif !defined (__OPTIMIZE_SIZE__) && !defined(__ARC601__)
#elif !defined (__OPTIMIZE_SIZE__) && defined (__ARC_BARREL_SHIFTER__)
/* Up to 3.5 times faster than the simpler code below, but larger. */
FUNC(__mulsi3)
ror.f r2,r0,4
@ -170,7 +170,8 @@ SYM(__umulsidi3):
umulsi3_highpart implementation; the use of the latter label doesn't
actually benefit ARC601 platforms, but is useful when ARC601 code is linked
against other libraries. */
#if defined (__ARC700__) || defined (__ARC_MUL64__) || defined (__ARC601__)
#if defined (__ARC_MPY__) || defined (__ARC_MUL64__) \
|| !defined (__ARC_BARREL_SHIFTER__)
.global SYM(__umulsi3_highpart)
SYM(__umulsi3_highpart):
HIDDEN_FUNC(__umulsi3_highpart)
@ -188,18 +189,18 @@ SYM(__umulsi3_highpart):
*/
#include "ieee-754/arc-ieee-754.h"
#ifdef __ARC700__
#ifdef __ARC_MPY__
mov_s r12,DBL0L
mpyu DBL0L,r12,DBL0H
j_s.d [blink]
mpyhu DBL0H,r12,DBL0H
MPYHU DBL0H,r12,DBL0H
#elif defined (__ARC_MUL64__)
/* Likewise for __ARC_MUL64__ */
mulu64 r0,r1
mov_s DBL0L,mlo
j_s.d [blink]
mov_s DBL0H,mhi
#else /* !__ARC700__ && !__ARC_MUL64__ */
#else /* !__ARC_MPY__ && !__ARC_MUL64__ */
/* Although it might look tempting to extend this to handle muldi3,
using mulsi3 twice with 2.25 cycles per 32 bit add is faster
than one loop with 3 or four cycles per 32 bit add. */
@ -223,9 +224,10 @@ SYM(__umulsi3_highpart):
mov_s DBL0L,r3
j_s.d [blink]
mov DBL0H,r2
#endif /* !__ARC700__*/
#endif /* !__ARC_MPY__*/
ENDFUNC(__umulsidi3)
#if defined (__ARC700__) || defined (__ARC_MUL64__) || defined (__ARC601__)
#if defined (__ARC_MPY__) || defined (__ARC_MUL64__) \
|| !defined (__ARC_BARREL_SHIFTER__)
ENDFUNC(__umulsi3_highpart)
#endif
#endif /* L_umulsidi3 */
@ -235,7 +237,8 @@ SYM(__umulsi3_highpart):
/* For use without a barrel shifter, and for ARC700 / ARC_MUL64, the
mulsidi3 algorithms above look better, so for these, there is an
extra label up there. */
#if !defined (__ARC700__) && !defined (__ARC_MUL64__) && !defined (__ARC601__)
#if !defined (__ARC_MPY__) && !defined (__ARC_MUL64__) \
&& defined (__ARC_BARREL_SHIFTER__)
.global SYM(__umulsi3_highpart)
SYM(__umulsi3_highpart):
HIDDEN_FUNC(__umulsi3_highpart)
@ -251,7 +254,7 @@ SYM(__umulsi3_highpart):
/* Make the result register peephole-compatible with mulsidi3. */
lsr DBL0H,r2,r3
ENDFUNC(__umulsi3_highpart)
#endif /* !__ARC700__ && !__ARC601__ */
#endif /* !__ARC_MPY__ && __ARC_BARREL_SHIFTER__ */
#endif /* L_umulsi3_highpart */
#ifdef L_divmod_tools
@ -295,7 +298,7 @@ udivmodsi4(int modwanted, unsigned long num, unsigned long den)
FUNC(__udivmodsi4)
SYM(__udivmodsi4):
#if defined (__ARC700__)
#if defined (__ARC_EA__)
/* Normalize divisor and divident, and then use the appropriate number of
divaw (the number of result bits, or one more) to produce the result.
There are some special conditions that need to be tested:
@ -368,7 +371,7 @@ SYM(__udivmodsi4):
j_s.d [blink]
mov.c r0,0
#elif !defined (__OPTIMIZE_SIZE__)
#ifdef __ARC_NORM__
#if defined (__ARC_NORM__) && defined (__ARC_BARREL_SHIFTER__)
lsr_s r2,r0
brhs.d r1,r2,.Lret0_3
norm r2,r2
@ -393,17 +396,17 @@ SYM(__udivmodsi4):
lsr_s r1,r1
cmp_s r0,r1
xor.f r2,lp_count,31
#if !defined (__EM__)
#if !defined (__ARCEM__) && !defined (__ARCHS__)
mov_s lp_count,r2
#else
mov lp_count,r2
nop_s
#endif /* !__EM__ */
#endif /* !__ARCEM__ && !__ARCHS__ */
#endif /* !__ARC_NORM__ */
sub.cc r0,r0,r1
mov_s r3,3
sbc r3,r3,0
#ifndef __ARC601__
#if defined (__ARC_BARREL_SHIFTER__)
asl_s r3,r3,r2
rsub r1,r1,1
lpne @.Lloop2_end
@ -503,7 +506,7 @@ SYM(__udivsi3):
.global SYM(__divsi3)
FUNC(__divsi3)
#ifndef __ARC700__
#ifndef __ARC_EA__
SYM(__divsi3):
/* A5 / ARC60? */
mov r7,blink
@ -514,7 +517,7 @@ SYM(__divsi3):
tst r6,r6
j.d [r7]
neg.mi r0,r0
#else /* !ifndef __ARC700__ */
#else /* !ifndef __ARC_EA__ */
;; We can use the abs, norm, divaw and mpy instructions for ARC700
#define MULDIV
#ifdef MULDIV
@ -907,7 +910,7 @@ SYM(__umodsi3):
.global SYM (__modsi3)
FUNC(__modsi3)
SYM(__modsi3):
#ifndef __ARC700__
#ifndef __ARC_EA__
/* A5 / ARC60? */
mov_s r12,blink
mov_s r6,r0
@ -918,7 +921,7 @@ SYM(__modsi3):
neg_s r0,r1
j_s.d [r12]
mov.pl r0,r1
#else /* __ARC700__ */
#else /* __ARC_EA__ */
abs_s r2,r1
norm.f r4,r0
neg r5,r2
@ -942,7 +945,7 @@ SYM(__modsi3):
cmp_s r12,r2
j_s.d [blink]
sub.hs r0,r0,r5
#endif /* __ARC700__ */
#endif /* !__ARC_EA__ */
ENDFUNC(__modsi3)
#endif /* L_modsi3 */
@ -959,7 +962,7 @@ SYM(__clzsi2):
j_s.d [blink]
add.pl r0,r0,1
ENDFUNC(__clzsi2)
#elif defined (__ARC601__)
#elif !defined (__ARC_BARREL_SHIFTER__)
FUNC(__clzsi2)
mov lp_count,10
mov_l r1,0