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1- Zero is deleted as a possible argument to LOI and STI.

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Allowing that was an oversight.
2- Message number 10 is reserved for global optimizer output.
3- Message number 11 must be used by GTO destinations.
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keie 1985-01-31 15:10:16 +00:00
parent 882906b3c3
commit dcd8451347
1 changed files with 12 additions and 1 deletions
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13
doc/em/assem.nr
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@ -388,6 +388,17 @@ May not be preceded by any other pseudo, except MES's.
.PT "MES 9,<cst>"
Guarantees that no more than <cst> bytes of parameters are
accessed, either directly or indirectly.
.PT "MES 10,<cst>[,<par>]*
This message number is reserved for the global optimizer.
It inserts these messages in its output as hints to backends.
<cst> indicates the type of hint.
.PT "MES 11"
Procedures containing this message are possible destinations of
non-local goto's with the GTO instruction.
Some backends keep locals in registers,
the locals in this procedure should not be kept in registers and
all registers containing locals of other procedures should be
saved upon entry to this procedure.
.PE 1
.VS 1 1
Each backend is free to skip irrelevant MES pseudos.
@ -561,7 +572,7 @@ l l 15 l l.
\&\*n:cst:>= 0:counter
\&\*s:cst:>0 , word multiple:object size
\&\*z:cst:>= 0 , zero or word multiple:object size
\&\*o:cst:>= 0 , word multiple or fraction:object size
\&\*o:cst:> 0 , word multiple or fraction:object size
\&\*w:cst:> 0 , word multiple:object size *
\&\*p:pro::pro identifier
\&\*b:ilb:>= 0:label number