PR rtl-optimization/79728
* regs.h (struct target_regs): New field
x_contains_allocatable_regs_of_mode.
(contains_allocatable_regs_of_mode): New macro.
* reginfo.c (init_reg_sets_1): Initialize it, and change
contains_reg_of_mode so it includes global regs as well.
* reload.c (push_reload): Use contains_allocatable_regs_of_mode
rather than contains_regs_of_mode.
PR rtl-optimization/79728
* gcc.target/i386/sse-globalreg.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@246138 138bc75d-0d04-0410-961f-82ee72b054a4