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Only emit alignment code if it is necessary (no sub esp, 0)

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--HG--
branch : hookman_autogen
extra : convert_revision : svn%3Ac2935e3e-5518-0410-8daf-afa5dab7d4e3/branches/hookman_autogen%40578
This commit is contained in:
Pavol Marko 2007-11-25 00:12:56 +00:00
parent d3c3737355
commit f307e85458
1 changed files with 4 additions and 2 deletions
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2
sourcehook/sourcehook_hookmangen.cpp
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@ -231,6 +231,7 @@ namespace SourceHook
if (subtractFromEsp < 0) if (subtractFromEsp < 0)
subtractFromEsp = 16 - ((-subtractFromEsp) % 16); subtractFromEsp = 16 - ((-subtractFromEsp) % 16);
if (subtractFromEsp != 0)
IA32_Sub_Rm_ImmAuto(&m_HookFunc, REG_ESP, subtractFromEsp, MOD_REG); IA32_Sub_Rm_ImmAuto(&m_HookFunc, REG_ESP, subtractFromEsp, MOD_REG);
return subtractFromEsp; return subtractFromEsp;
@ -238,6 +239,7 @@ namespace SourceHook
void GenContext::AlignStackAfterCall(jit_int32_t numofbytes) void GenContext::AlignStackAfterCall(jit_int32_t numofbytes)
{ {
if (numofbytes != 0)
IA32_Add_Rm_ImmAuto(&m_HookFunc, REG_ESP, numofbytes, MOD_REG); IA32_Add_Rm_ImmAuto(&m_HookFunc, REG_ESP, numofbytes, MOD_REG);
} }