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Put BaldrMonkey-specific behavior under a setting.

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BaldrMonkey will need to enable allones_funcaddrs.
This commit is contained in:
Dan Gohman
2017-10-28 07:12:46 -07:00
parent 6fc45b070a
commit cb805f704d
8 changed files with 99 additions and 11 deletions
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22
lib/cretonne/meta/isa/intel/recipes.py
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@@ -478,8 +478,7 @@ fnaddr4 = TailRecipe(
emit='''
PUT_OP(bits | (out_reg0 & 7), rex1(out_reg0), sink);
sink.reloc_func(RelocKind::Abs4.into(), func_ref);
// Write the immediate as `!0` for the benefit of BaldrMonkey.
sink.put4(!0);
sink.put4(0);
''')
# XX+rd iq with Abs8 function relocation.
@@ -488,6 +487,25 @@ fnaddr8 = TailRecipe(
emit='''
PUT_OP(bits | (out_reg0 & 7), rex1(out_reg0), sink);
sink.reloc_func(RelocKind::Abs8.into(), func_ref);
sink.put8(0);
''')
# Similar to fnaddr4, but writes !0 (this is used by BaldrMonkey).
allones_fnaddr4 = TailRecipe(
'allones_fnaddr4', FuncAddr, size=4, ins=(), outs=GPR,
emit='''
PUT_OP(bits | (out_reg0 & 7), rex1(out_reg0), sink);
sink.reloc_func(RelocKind::Abs4.into(), func_ref);
// Write the immediate as `!0` for the benefit of BaldrMonkey.
sink.put4(!0);
''')
# Similar to fnaddr8, but writes !0 (this is used by BaldrMonkey).
allones_fnaddr8 = TailRecipe(
'allones_fnaddr8', FuncAddr, size=8, ins=(), outs=GPR,
emit='''
PUT_OP(bits | (out_reg0 & 7), rex1(out_reg0), sink);
sink.reloc_func(RelocKind::Abs8.into(), func_ref);
// Write the immediate as `!0` for the benefit of BaldrMonkey.
sink.put8(!0);
''')