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| author | Geoffrey Keating <geoffk@gcc.gnu.org> | 2005-06-02 21:45:57 +0000 |
|---|---|---|
| committer | Geoffrey Keating <geoffk@gcc.gnu.org> | 2005-06-02 21:45:57 +0000 |
| commit | bc0f348e1004ac1092b08ff0cfd82dd40abb67e7 (patch) | |
| tree | 99ae9ea1708821e17b29de920210967f403c9914 /gcc | |
| parent | e2089d725e78e1a3b34fc3051ad6c804659bc362 (diff) | |
| download | gcc-bc0f348e1004ac1092b08ff0cfd82dd40abb67e7.zip gcc-bc0f348e1004ac1092b08ff0cfd82dd40abb67e7.tar.gz gcc-bc0f348e1004ac1092b08ff0cfd82dd40abb67e7.tar.bz2 | |
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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/lib/target-supports.exp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index ac6dda5..b2bec15 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -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 |