[src/trunk]: src/common/lib/libc/arch/arm/atomic Add _atomic_cas_16_up and _a...

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e183d81c9448
branches:  trunk
changeset: 326368:e183d81c9448
user:      matt <matt%NetBSD.org@localhost>
date:      Mon Jan 27 18:05:24 2014 +0000

description:
Add _atomic_cas_16_up and _atomic_cas_8_up

diffstat:

 common/lib/libc/arch/arm/atomic/Makefile.inc    |   4 ++-
 common/lib/libc/arch/arm/atomic/atomic_cas_up.S |  34 ++++++++++++++++++++++++-
 2 files changed, 36 insertions(+), 2 deletions(-)

diffs (63 lines):

diff -r de4e86a24a57 -r e183d81c9448 common/lib/libc/arch/arm/atomic/Makefile.inc
--- a/common/lib/libc/arch/arm/atomic/Makefile.inc      Mon Jan 27 18:03:44 2014 +0000
+++ b/common/lib/libc/arch/arm/atomic/Makefile.inc      Mon Jan 27 18:05:24 2014 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile.inc,v 1.14 2013/11/08 22:42:52 matt Exp $
+#      $NetBSD: Makefile.inc,v 1.15 2014/01/27 18:05:24 matt Exp $
 
 ARMV6= ${CPUFLAGS:M-march=armv6*} ${CPUFLAGS:M-mcpu=arm11*}
 ARMV6+= ${CFLAGS:M-march=armv6*:} ${CFLAGS:M-mcpu=arm11*}
@@ -58,6 +58,8 @@
 SRCS.atomic+=  atomic_init_testset.c
 SRCS.atomic+=  atomic_cas_up.S
 CPPFLAGS+= -D__HAVE_ASM_ATOMIC_CAS_UP
+CPPFLAGS+= -D__HAVE_ASM_ATOMIC_CAS_16_UP
+CPPFLAGS+= -D__HAVE_ASM_ATOMIC_CAS_8_UP
 .else
 SRCS.atomic+=  atomic_init_cas.c
 .endif
diff -r de4e86a24a57 -r e183d81c9448 common/lib/libc/arch/arm/atomic/atomic_cas_up.S
--- a/common/lib/libc/arch/arm/atomic/atomic_cas_up.S   Mon Jan 27 18:03:44 2014 +0000
+++ b/common/lib/libc/arch/arm/atomic/atomic_cas_up.S   Mon Jan 27 18:05:24 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: atomic_cas_up.S,v 1.4 2013/08/19 00:35:06 matt Exp $   */
+/*     $NetBSD: atomic_cas_up.S,v 1.5 2014/01/27 18:05:24 matt Exp $   */
 
 /*-
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -48,3 +48,35 @@
 RAS_END_ASM_HIDDEN(_atomic_cas)
 1:     RET
 END(_atomic_cas_up)
+
+ENTRY(_atomic_cas_16_up)
+       mov     r3, r0
+       .align  0
+RAS_START_ASM_HIDDEN(_atomic_cas_16)
+       ldrh    r0, [r3]
+       cmp     r0, r1
+#if defined(__thumb__)
+       beq     1f
+#else
+       strheq  r2, [r3]
+#endif
+       .align  0
+RAS_END_ASM_HIDDEN(_atomic_cas_16)
+1:     RET
+END(_atomic_cas_16_up)
+
+ENTRY(_atomic_cas_8_up)
+       mov     r3, r0
+       .align  0
+RAS_START_ASM_HIDDEN(_atomic_cas_8)
+       ldrb    r0, [r3]
+       cmp     r0, r1
+#if defined(__thumb__)
+       beq     1f
+#else
+       strbeq  r2, [r3]
+#endif
+       .align  0
+RAS_END_ASM_HIDDEN(_atomic_cas_8)
+1:     RET
+END(_atomic_cas_8_up)