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Handle load/stor unique instructions before parsing

This commit is contained in:
Tomer Levi 2004-09-20 14:25:36 +00:00
parent 2a410a2e0b
commit 64995a6bc7
1 changed files with 19 additions and 8 deletions
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27
gas/config/tc-crx.c
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@ -166,7 +166,7 @@ static int getbits (operand_type);
static int get_number_of_operands (void);
static void get_operandtype (char *, int, ins *);
static int gettrap (char *);
static void handle_pi_insn (char *);
static void handle_LoadStor (char *);
static int get_cinv_parameters (char *);
static unsigned long getconstant (unsigned long, int);
static int getreg_image (reg);
@ -1667,15 +1667,26 @@ gettrap (char *s)
return 0;
}
/* Post-Increment instructions are a sub-group within load/stor instruction
groups. Therefore, when parsing a Post-Increment insn, we have to advance
the instruction pointer to the start of that sub-group. */
/* Post-Increment instructions, as well as Store-Immediate instructions, are a
sub-group within load/stor instruction groups.
Therefore, when parsing a Post-Increment/Store-Immediate insn, we have to
advance the instruction pointer to the start of that sub-group (that is, up
to the first instruction of that type).
Otherwise, the insn will be mistakenly identified as of type LD_STOR_INS. */
static void
handle_pi_insn (char *operands)
handle_LoadStor (char *operands)
{
/* Assuming Store-Immediate insn has the following format :
'MNEMONIC $DISP, ...' (e.g. 'storb $1, 12(r5)').
STOR_IMM_INS are the only store insns containing a dollar sign ($). */
if (strstr (operands, "$") != NULL)
while (! IS_INSN_TYPE (STOR_IMM_INS))
instruction++;
/* Assuming Post-Increment insn has the following format :
'MNEMONIC DISP(REG)+, REG' (e.g. 'loadw 12(r5)+, r6'). */
'MNEMONIC DISP(REG)+, REG' (e.g. 'loadw 12(r5)+, r6').
LD_STOR_INS_INC are the only store insns containing a plus sign (+). */
if (strstr (operands, ")+") != NULL)
while (! IS_INSN_TYPE (LD_STOR_INS_INC))
instruction++;
@ -1700,8 +1711,8 @@ parse_insn (ins *insn, char *operands)
}
/* Handle load/stor post-increment instructions. */
if (IS_INSN_TYPE (LD_STOR_INS) || IS_INSN_TYPE (STOR_IMM_INS))
handle_pi_insn (operands);
if (IS_INSN_TYPE (LD_STOR_INS))
handle_LoadStor (operands);
if (operands != NULL)
parse_operands (insn, operands);