2002-05-15 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/rs6000.md ("altivec_mtvscr"): Set VSCR register.
("altivec_mfvscr"): Read from VSCR.
Add vscr sets for the following insns: altivec_vctuxs,
altivec_vaddubs, altivec_vaddsbs, altivec_vadduhs,
altivec_vaddshs, altivec_vadduws, altivec_vaddsws, altivec_vctsxs,
altivec_vmhaddshs, altivec_vmhraddshs, altivec_vmsumuhs,
altivec_vmsumshs, altivec_vpkuhss, altivec_vpkshss,
altivec_vpkuwss, altivec_vpkswss, altivec_vpkuhus,
altivec_vpkshus, altivec_vpkuwus, altivec_vpkswus,
altivec_vsububs, altivec_vsubsbs, altivec_vsubuhs,
altivec_vsubshs, altivec_vsubuws, altivec_vsubsws,
altivec_vsum4ubs, altivec_vsum4sbs, altivec_vsum4shs,
altivec_vsum2sws, altivec_vsumsws.
* config/rs6000/rs6000.h: Add VSCR fixed register.
(CALL_REALLY_USED_REGISTERS): Add vscr.
(CALL_USED_REGISTERS): Same.
(FIXED_REGISTERS): Same.
(REG_ALLOC_ORDER): Same.
(reg_class): Add VSCR_REGS.
(REG_CLASS_NAMES): Same.
(REG_CLASS_CONTENTS): Same.
(VSCR_REGNO): New.
(REGISTER_NAMES): Add vscr.
(DEBUG_REGISTER_NAMES): Same.
(ADDITIONAL_REGISTER_NAMES): Same.
(FIRST_PSEUDO_REGISTER): Increment.
(CONDITIONAL_REGISTER_USAGE): Set VSCR as a global register.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53495
138bc75d-0d04-0410-961f-
82ee72b054a4