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support calls with no return

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I thought it would be harder (and maybe it is).
My fear was that a call must be always followed by
a parallel move from machine registers (this is an
assumption in both spill and rega).  This however
remains true, because the ABI code generates a
dummy "copy RAX" by accident!
This commit is contained in:
Quentin Carbonneaux 2016-04-20 12:53:42 -04:00
parent 1258bb75d2
commit 84bb28c042
2 changed files with 2 additions and 2 deletions
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doc/il.txt
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@ -709,7 +709,7 @@ single-precision floating point number `%f` into `%rs`.
~~~~~~
`bnf
CALL := %IDENT '=' ( BASETY | :IDENT ) 'call' VAL PARAMS
CALL := [ %IDENT '=' ( BASETY | :IDENT ) ] 'call' VAL PARAMS
PARAMS := '(' ( (BASETY | :IDENT) %IDENT ), ')'