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* use membar only for sparcv9(+)

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git-svn-id: trunk@23109 -
This commit is contained in:
florian 2012-12-03 21:55:51 +00:00
parent e6863aeb80
commit 1ea8a397e5
1 changed files with 7 additions and 3 deletions
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10
rtl/sparc/sparc.inc
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@ -678,9 +678,13 @@ const
MemIssue = $20;
Sync = $40;
{$if not(defined(SPARCV7)) and not(defined(SPARCV8))}
{$define CPUSPARC_HAS_MEMBAR}
{$endif}
procedure ReadBarrier;assembler;nostackframe;{$ifdef SYSTEMINLINE}inline;{$endif}
asm
{$ifdef FPC_HAS_MEMBAR}
{$ifdef CPUSPARC_HAS_MEMBAR}
ba,pt .L1
membar LoadLoad
.L1:
@ -694,7 +698,7 @@ end;
procedure ReadWriteBarrier;assembler;nostackframe;{$ifdef SYSTEMINLINE}inline;{$endif}
asm
{$ifdef FPC_HAS_MEMBAR}
{$ifdef CPUSPARC_HAS_MEMBAR}
ba,pt .L1
membar LoadLoad + LoadStore + StoreLoad + StoreStore
.L1:
@ -703,7 +707,7 @@ end;
procedure WriteBarrier;assembler;nostackframe;{$ifdef SYSTEMINLINE}inline;{$endif}
asm
{$ifdef FPC_HAS_MEMBAR}
{$ifdef CPUSPARC_HAS_MEMBAR}
ba,pt .L1
stbar
.L1: