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7077312: Provide a CALL effect for instruct declaration in the ad file

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Abstracted way to declare that the MachNode has the effect of a call (kills caller save registers, preserves callee save registers)

Reviewed-by: twisti, never
This commit is contained in:
Roland Westrelin 2011-09-14 09:22:51 +02:00
parent 89d4179a4b
commit 9d8e44db59
11 changed files with 93 additions and 36 deletions
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7
hotspot/src/share/vm/adlc/formssel.cpp
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@ -31,7 +31,8 @@ InstructForm::InstructForm(const char *id, bool ideal_only)
: _ident(id), _ideal_only(ideal_only),
_localNames(cmpstr, hashstr, Form::arena),
_effects(cmpstr, hashstr, Form::arena),
_is_mach_constant(false)
_is_mach_constant(false),
_has_call(false)
{
_ftype = Form::INS;
@ -62,7 +63,8 @@ InstructForm::InstructForm(const char *id, InstructForm *instr, MatchRule *rule)
: _ident(id), _ideal_only(false),
_localNames(instr->_localNames),
_effects(instr->_effects),
_is_mach_constant(false)
_is_mach_constant(false),
_has_call(false)
{
_ftype = Form::INS;
@ -1754,6 +1756,7 @@ static int effect_lookup(const char *name) {
if(!strcmp(name, "USE_KILL")) return Component::USE_KILL;
if(!strcmp(name, "TEMP")) return Component::TEMP;
if(!strcmp(name, "INVALID")) return Component::INVALID;
if(!strcmp(name, "CALL")) return Component::CALL;
assert( false,"Invalid effect name specified\n");
return Component::INVALID;
}