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Index: ChangeLog 

2005-05-31  Geoffrey Keating  <geoffk@geoffk.org>

	* config/rs6000/rs6000.md (sync_boolcshort_internal): New.
	* config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must
	be complemented for big-endian.  Mask for AND must be rotated,
	not shifted.  Handle short operands with NOT on the memory
	operation.

Index: testsuite/ChangeLog
2005-05-31  Geoffrey Keating  <geoffk@geoffk.org>

	* lib/target-supports.exp
	(check_effective_target_sync_char_short): New.
	* gcc.dg/sync-2.c: New.

From-SVN: r100515
This commit is contained in:
Geoffrey Keating 2005-06-02 21:45:57 +00:00
parent e2089d725e
commit bc0f348e10
1 changed files with 23 additions and 0 deletions
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23
gcc/testsuite/lib/target-supports.exp
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@ -990,6 +990,29 @@ proc check_effective_target_sync_int_long { } {
return $et_sync_int_long_saved
}
# Return 1 if the target supports atomic operations on "char" and "short".
proc check_effective_target_sync_char_short { } {
global et_sync_char_short_saved
if [info exists et_sync_char_short_saved] {
verbose "check_effective_target_sync_char_short: using cached result" 2
} else {
set et_sync_char_short_saved 0
# This is intentionally powerpc but not rs6000, rs6000 doesn't have the
# load-reserved/store-conditional instructions.
if { [istarget ia64-*-*]
|| [istarget i?86-*-*]
|| [istarget x86_64-*-*]
|| [istarget powerpc*-*-*] } {
set et_sync_char_short_saved 1
}
}
verbose "check_effective_target_sync_char_short: returning $et_sync_char_short_saved" 2
return $et_sync_char_short_saved
}
# Return 1 if the target matches the effective target 'arg', 0 otherwise.
# This can be used with any check_* proc that takes no argument and
# returns only 1 or 0. It could be used with check_* procs that take