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(dbxout_parms): For parameters in registers, if use 

DECL_RTL, then must use TREE_TYPE instead of DECL_ARG_TYPE.

From-SVN: r5291
This commit is contained in:
Jim Wilson 1993-09-08 12:19:32 -07:00
parent d1460eef26
commit 25b5c537ba
1 changed files with 14 additions and 4 deletions
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18
gcc/dbxout.c
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@ -2065,6 +2065,7 @@ dbxout_parms (parms)
{
rtx best_rtl;
char regparm_letter;
tree parm_type;
/* Parm passed in registers and lives in registers or nowhere. */
current_sym_code = DBX_REGPARM_STABS_CODE;
@ -2074,14 +2075,23 @@ dbxout_parms (parms)
/* If parm lives in a register, use that register;
pretend the parm was passed there. It would be more consistent
to describe the register where the parm was passed,
but in practice that register usually holds something else. */
but in practice that register usually holds something else.
If we use DECL_RTL, then we must use the declared type of
the variable, not the type that it arrived in. */
if (REGNO (DECL_RTL (parms)) >= 0
&& REGNO (DECL_RTL (parms)) < FIRST_PSEUDO_REGISTER)
best_rtl = DECL_RTL (parms);
{
best_rtl = DECL_RTL (parms);
parm_type = TREE_TYPE (parms);
}
/* If the parm lives nowhere,
use the register where it was passed. */
else
best_rtl = DECL_INCOMING_RTL (parms);
{
best_rtl = DECL_INCOMING_RTL (parms);
parm_type = DECL_ARG_TYPE (parms);
}
current_sym_value = DBX_REGISTER_NUMBER (REGNO (best_rtl));
FORCE_TEXT;
@ -2099,7 +2109,7 @@ dbxout_parms (parms)
regparm_letter);
}
dbxout_type (DECL_ARG_TYPE (parms), 0, 0);
dbxout_type (parm_type, 0, 0);
dbxout_finish_symbol (parms);
}
else if (GET_CODE (DECL_RTL (parms)) == MEM