re PR bootstrap/88721 (-Wmaybe-uninitialized warnings in sparc.c)

PR bootstrap/88721
	* config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
	to -1 on entry.

	PR debug/88723
	* config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
	UNSPECs and UNSPEC_MOVE_GOTDATA specifically.

From-SVN: r267734
This commit is contained in:
Eric Botcazou 2019-01-08 19:09:52 +00:00 committed by Eric Botcazou
parent 53ef4e3a94
commit 6976bc87f1
2 changed files with 24 additions and 3 deletions

View File

@ -1,3 +1,13 @@
2019-01-08 Eric Botcazou <ebotcazou@adacore.com>
PR bootstrap/88721
* config/sparc/sparc.c (function_arg_slotno): Set *PPREGNO & *PPADDING
to -1 on entry.
PR debug/88723
* config/sparc/sparc.c (sparc_delegitimize_address): Deal with naked
UNSPECs and UNSPEC_MOVE_GOTDATA specifically.
2019-01-08 H.J. Lu <hongjiu.lu@intel.com>
PR target/88717

View File

@ -4949,12 +4949,19 @@ sparc_delegitimize_address (rtx x)
{
x = delegitimize_mem_from_attrs (x);
if (GET_CODE (x) == LO_SUM && GET_CODE (XEXP (x, 1)) == UNSPEC)
switch (XINT (XEXP (x, 1), 1))
if (GET_CODE (x) == LO_SUM)
x = XEXP (x, 1);
if (GET_CODE (x) == UNSPEC)
switch (XINT (x, 1))
{
case UNSPEC_MOVE_PIC:
case UNSPEC_TLSLE:
x = XVECEXP (XEXP (x, 1), 0, 0);
x = XVECEXP (x, 0, 0);
gcc_assert (GET_CODE (x) == SYMBOL_REF);
break;
case UNSPEC_MOVE_GOTDATA:
x = XVECEXP (x, 0, 2);
gcc_assert (GET_CODE (x) == SYMBOL_REF);
break;
default:
@ -6873,6 +6880,10 @@ function_arg_slotno (const struct sparc_args *cum, machine_mode mode,
int slotno = cum->words, regno;
enum mode_class mclass = GET_MODE_CLASS (mode);
/* Silence warnings in the callers. */
*pregno = -1;
*ppadding = -1;
if (type && TREE_ADDRESSABLE (type))
return -1;