function.c (expand_function_start): Always use a pseudo for the function result value.

* function.c (expand_function_start): Always use a pseudo
        for the function result value.

From-SVN: r42486
This commit is contained in:
Richard Henderson 2001-05-23 00:01:43 -07:00 committed by Richard Henderson
parent 9336389d37
commit d5bf114347
2 changed files with 8 additions and 22 deletions

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@ -1,3 +1,8 @@
2001-05-23 Richard Henderson <rth@redhat.com>
* function.c (expand_function_start): Always use a pseudo
for the function result value.
2001-05-22 Richard Henderson <rth@redhat.com>
* config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the

View File

@ -6366,13 +6366,10 @@ expand_function_start (subr, parms_have_cleanups)
else if (DECL_MODE (DECL_RESULT (subr)) == VOIDmode)
/* If return mode is void, this decl rtl should not be used. */
SET_DECL_RTL (DECL_RESULT (subr), NULL_RTX);
else if (parms_have_cleanups
|| current_function_instrument_entry_exit
|| (flag_exceptions && USING_SJLJ_EXCEPTIONS))
else
{
/* If function will end with cleanup code for parms, compute the
return values into a pseudo reg, which we will copy into the
true return register after the cleanups are done. */
/* Compute the return values into a pseudo reg, which we will copy
into the true return register after the cleanups are done. */
/* In order to figure out what mode to use for the pseudo, we
figure out what the mode of the eventual return register will
@ -6393,22 +6390,6 @@ expand_function_start (subr, parms_have_cleanups)
in case it's a named return value whose address is taken. */
DECL_REGISTER (DECL_RESULT (subr)) = 1;
}
else
{
/* Scalar, returned in a register. */
SET_DECL_RTL (DECL_RESULT (subr),
hard_function_value (TREE_TYPE (DECL_RESULT (subr)),
subr, 1));
/* Mark this reg as the function's return value. */
if (GET_CODE (DECL_RTL (DECL_RESULT (subr))) == REG)
{
REG_FUNCTION_VALUE_P (DECL_RTL (DECL_RESULT (subr))) = 1;
/* Needed because we may need to move this to memory
in case it's a named return value whose address is taken. */
DECL_REGISTER (DECL_RESULT (subr)) = 1;
}
}
/* Initialize rtx for parameters and local variables.
In some cases this requires emitting insns. */