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ia64.c (ia64_function_arg): Use PARALLEL even if there is only one reg.

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* config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
	is only one reg.
	(ia64_function_value): Ditto.

From-SVN: r87038
This commit is contained in:
Steve Ellcey 2004-09-03 17:52:08 +00:00 • committed by Steve Ellcey
parent 467cecf3b8
commit 9dec91d433
2 changed files with 8 additions and 16 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2004-09-03 Steve Ellcey <sje@cup.hp.com>
* config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
is only one reg.
(ia64_function_value): Ditto.
2004-09-03 Jan Beulich <jbeulich@novell.com>
PR c/7054

18
gcc/config/ia64/ia64.c
View file

@ -3169,17 +3169,7 @@ ia64_function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode, tree type,
else if (gr_size > UNITS_PER_WORD)
int_regs += gr_size / UNITS_PER_WORD;
}
/* If we ended up using just one location, just return that one loc, but
change the mode back to the argument mode. However, we can't do this
when hfa_mode is XFmode and mode is TImode. In that case, we would
return a TImode reference to an FP reg, but FP regs can't hold TImode.
We need the PARALLEL to make this work. This can happen for a union
containing a single __float80 member. */
if (i == 1 && ! (hfa_mode == XFmode && mode == TImode))
return gen_rtx_REG (mode, REGNO (XEXP (loc[0], 0)));
else
return gen_rtx_PARALLEL (mode, gen_rtvec_v (i, loc));
return gen_rtx_PARALLEL (mode, gen_rtvec_v (i, loc));
}
/* Integral and aggregates go in general registers. If we have run out of
@ -3477,11 +3467,7 @@ ia64_function_value (tree valtype, tree func ATTRIBUTE_UNUSED)
GEN_INT (offset));
offset += hfa_size;
}
if (i == 1)
return XEXP (loc[0], 0);
else
return gen_rtx_PARALLEL (mode, gen_rtvec_v (i, loc));
return gen_rtx_PARALLEL (mode, gen_rtvec_v (i, loc));
}
else if (FLOAT_TYPE_P (valtype) && mode != TFmode && mode != TCmode)
return gen_rtx_REG (mode, FR_ARG_FIRST);