testsuite: Only xfail gcc/testsuite/gcc.dg/vect/pr33804.c etc. on 32-bit SPARC [PR102954]

testsuite: Only xfail gcc/testsuite/gcc.dg/vect/pr33804.c etc. on 32-bit SPARC [PR102954]

Two tests currently XPASS on 64-bit Solaris/SPARC:

XPASS: gcc.dg/vect/pr33804.c scan-tree-dump-times vect "vectorized 1 loops" 1
XPASS: gcc.dg/vect/pr33804.c scan-tree-dump-times vect "vectorizing stmts using SLP" 1

XPASS: gcc.dg/vect/slp-multitypes-3.c scan-tree-dump-times vect "vectorized 1 loops" 1
XPASS: gcc.dg/vect/slp-multitypes-3.c scan-tree-dump-times vect "vectorizing stmts using SLP" 2

Both tests are currently xfail'ed on sparc*-*-*.  The following patch
restricts that to 32-bit SPARC instead.

2026-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	gcc/testsuite:
	PR tree-optimization/102954
	* gcc.dg/vect/pr33804.c (scan-tree-dump-times): Only
	xfail on 32-bit SPARC.
	* gcc.dg/vect/slp-multitypes-3.c: Likewise.