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Handle CLASS_IGNORE and ARG_NIM4.

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Nick Clifton 2002-04-29 16:50:29 +00:00
parent 2dc5091bdf
commit d1b0a5b4a9
2 changed files with 16 additions and 0 deletions
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7
sim/z8k/ChangeLog
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@ -1,3 +1,10 @@
2002-04-29 Nick Clifton <nickc@cambridge.redhat.com>
* writecode.c (lookup_inst): Ignore CLASS_IGNORE.
(info_args): Treat CLASS_IGNORE like CLASS_BIT.
Handle ARG_NIM4.
(info_len_in_words): Handle CLASS_IGNORE and ARG_NIM4.
Tue May 23 21:39:23 2000 Andrew Cagney <cagney@b1.cygnus.com>
* configure: Regenerated to track ../common/aclocal.m4 changes.

9
sim/z8k/writecode.c
View file

@ -139,6 +139,8 @@ lookup_inst (what)
nibl_matched = 0;
break;
case CLASS_IGNORE:
break;
case CLASS_BIT:
if (datum_value != instr_nibl)
nibl_matched = 0;
@ -539,6 +541,7 @@ info_args (p)
case CLASS_BIT_1OR2:
emit ("register unsigned int imm_src=(<insn_4>& 2)?2:1;\n");
break;
case CLASS_IGNORE:
case CLASS_BIT:
/* Just ignore these, we've already decoded this bit */
nibs++;
@ -589,6 +592,10 @@ break;
emit ("register unsigned int imm_src=<insn_4>;\n");
nibs++;
break;
case ARG_NIM4:
emit ("register unsigned int imm_src = - <insn_4>;\n");
nibs++;
break;
case ARG_IMM2:
emit ("register unsigned int imm_src=<insn_4> & 0x2;\n");
nibs++;
@ -1938,6 +1945,7 @@ info_len_in_words (o)
{
switch (*p & CLASS_MASK)
{
case CLASS_IGNORE:
case CLASS_BIT:
case CLASS_REGN0:
case CLASS_REG:
@ -1959,6 +1967,7 @@ info_len_in_words (o)
break;
case ARG_IMM2:
case ARG_IMM4:
case ARG_NIM4:
case ARG_IMM4M1:
case ARG_IMM_1:
case ARG_IMM_2: