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| author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-02-22 07:25:51 +0000 |
|---|---|---|
| committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2019-02-22 07:25:51 +0000 |
| commit | b1c1ee7183f6c9b6f585d35a5a8786594e1e7733 (patch) | |
| tree | 14204cd198626c7217314a280cfd74a9a3bb96b2 /include | |
| parent | 4af7f77d0ffe4371610143731e08f6e74314b4a1 (diff) | |
| download | ruby-b1c1ee7183f6c9b6f585d35a5a8786594e1e7733.tar.gz | |
change `cfunc->invoker` type for opt.
* vm_insnhelper.c: change `call_cfunc_*` parameters order
and specify a function type for the passed func ptr.
This fix reduce the number of asm instructions, such as:
# before this patch
0000000000000110 <call_cfunc_0>:
110: 48 89 fa mov %rdi,%rdx
113: 31 c0 xor %eax,%eax
115: 48 89 f7 mov %rsi,%rdi
118: ff e2 jmpq *%rdx
11a: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1)
# after this patch
0000000000000110 <call_cfunc_0>:
110: ff e1 jmpq *%rcx
However, this kind of instruction reduction doesn't affect
any performance because of great CPU architectures :p
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67122 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions