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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-07-15 01:18:55 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-07-15 01:18:55 +0000 |
commit | 146216ccb40e64d34f28d585b3b2f1328cc8a121 (patch) | |
tree | a1279d608e01abb3a5f25bee3f13e2f567da340f | |
parent | 2adf19d6c4febaa497c28dfc5fe0942e540dd883 (diff) |
add comment.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12791 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ia64.s | 5 |
1 files changed, 5 insertions, 0 deletions
@@ -6,6 +6,11 @@ // void rb_ia64_flushrs(void) { __builtin_ia64_flushrs(); } // void *rb_ia64_bsp(void) { return __builtin_ia64_bsp(); } // +// Note that rb_ia64_flushrs and rb_ia64_bsp works in its own stack frame. +// It's because BSP is updated by br.call/brl.call (not alloc instruction) +// So rb_ia64_flushrs flushes stack frames including caller's one. +// rb_ia64_bsp returns the address next to caller's register stack frame. +// .file "ia64.c" .text .align 16 |