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Use atomics in guard.cc / remove special casing in targets.

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The PowerPC, AIX, Alpha, IA64  implementations of atomic_word.h are in no
way different from what can be achieved with the generic rewrite in
Patch 1 of this series - delete these.

2015-06-12  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/cpu/alpha/atomic_word.h: Remove.
        * config/cpu/ia64/atomic_word.h: Remove.
        * config/cpu/powerpc/atomic_word.h: Remove.
        * config/os/aix/atomic_word.h: Remove.
        * configure.host (atomic_word_dir) [ia64, aix*, powerpc, alpha]:
        Use generic definition.

From-SVN: r224412
This commit is contained in:
Ramana Radhakrishnan 2015-06-12 09:53:24 +00:00 committed by Ramana Radhakrishnan
parent 57e6d9be77
commit dd38693ee5
2 changed files with 11 additions and 11 deletions
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11
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,14 @@
2015-06-12 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR c++/66192
PR target/66200
* config/cpu/alpha/atomic_word.h: Remove.
* config/cpu/ia64/atomic_word.h: Remove.
* config/cpu/powerpc/atomic_word.h: Remove.
* config/os/aix/atomic_word.h: Remove.
* configure.host (atomic_word_dir) [ia64, aix*, powerpc, alpha]:
Use generic definition.
2015-06-12 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
PR target/66200

11
libstdc++-v3/configure.host
View File

@ -156,21 +156,12 @@ esac
# Most can just use generic.
# THIS TABLE IS SORTED. KEEP IT THAT WAY.
case "${host_cpu}" in
alpha*)
atomic_word_dir=cpu/alpha
;;
cris*)
atomic_word_dir=cpu/cris
;;
ia64)
atomic_word_dir=cpu/ia64
;;
i[4567]86 | x86_64)
atomic_flags="-march=native"
;;
powerpc* | rs6000)
atomic_word_dir=cpu/powerpc
;;
sparc* | ultrasparc)
atomic_word_dir=cpu/sparc
atomic_flags="-mcpu=v9"
@ -226,12 +217,10 @@ case "${host_os}" in
# explicitly duplicate the directory for 4.[<3].
os_include_dir="os/aix"
atomicity_dir="os/aix"
atomic_word_dir="os/aix"
;;
aix4.*)
os_include_dir="os/generic"
atomicity_dir="os/aix"
atomic_word_dir="os/aix"
;;
aix*)
os_include_dir="os/generic"