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Re: PowerPC: implement md_operand to parse register names

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I meant to make this change before committing, to let compilers know
the code on the false branch of md_parse_name is dead.

	* config/tc-ppc.c (ppc_parse_name): Return void.
	* config/tc-ppc.h (md_parse_name): Always true.
	(ppc_parse_name): Update prototype.
This commit is contained in:
Alan Modra
2022-07-14 15:25:18 +09:30
parent 00b37cc41e
commit 5f6c92298a
2 changed files with 5 additions and 6 deletions
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6
gas/config/tc-ppc.c
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@ -862,7 +862,7 @@ static const struct pd_reg cr_cond[] =
to use for condition codes, and recognises other registers when to use for condition codes, and recognises other registers when
-mregnames. */ -mregnames. */
int void
ppc_parse_name (const char *name, expressionS *exp, enum expr_mode mode) ppc_parse_name (const char *name, expressionS *exp, enum expr_mode mode)
{ {
const struct pd_reg *reg = NULL; const struct pd_reg *reg = NULL;
@ -877,7 +877,7 @@ ppc_parse_name (const char *name, expressionS *exp, enum expr_mode mode)
exp->X_op = O_register; exp->X_op = O_register;
exp->X_add_number = reg->value; exp->X_add_number = reg->value;
exp->X_md = reg->flags; exp->X_md = reg->flags;
return true; return;
} }
/* The following replaces code in expr.c operand() after the /* The following replaces code in expr.c operand() after the
@ -909,8 +909,6 @@ ppc_parse_name (const char *name, expressionS *exp, enum expr_mode mode)
exp->X_add_symbol = sym; exp->X_add_symbol = sym;
exp->X_add_number = 0; exp->X_add_number = 0;
} }
return true;
} }
/* Propagate X_md and check register expressions. This is to support /* Propagate X_md and check register expressions. This is to support

5
gas/config/tc-ppc.h
View File

@ -322,8 +322,9 @@ extern void ppc_frob_label (symbolS *);
/* call md_pcrel_from_section, not md_pcrel_from */ /* call md_pcrel_from_section, not md_pcrel_from */
#define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC) #define MD_PCREL_FROM_SECTION(FIX, SEC) md_pcrel_from_section(FIX, SEC)
#define md_parse_name(name, exp, mode, c) ppc_parse_name (name, exp, mode) #define md_parse_name(name, exp, mode, c) \
extern int ppc_parse_name (const char *, struct expressionS *, enum expr_mode); (ppc_parse_name (name, exp, mode), true)
extern void ppc_parse_name (const char *, struct expressionS *, enum expr_mode);
#define md_optimize_expr(left, op, right) ppc_optimize_expr (left, op, right) #define md_optimize_expr(left, op, right) ppc_optimize_expr (left, op, right)
extern int ppc_optimize_expr (expressionS *, operatorT, expressionS *); extern int ppc_optimize_expr (expressionS *, operatorT, expressionS *);