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rs6000: Make cr5 allocatable
authorSegher Boessenkool <segher@kernel.crashing.org>
Wed, 18 Jun 2014 23:13:40 +0000 (01:13 +0200)
committerSegher Boessenkool <segher@gcc.gnu.org>
Wed, 18 Jun 2014 23:13:40 +0000 (01:13 +0200)
commit36bd0c3e42655cc235b1f7b041e2a198075a7ec3
tree0760c13d0611085d29e33cd4d7a29bcbc72809e3tree
parent74f4bbb732c22a2725fdc2fc8705a4cb46eeb477commit | diff
rs6000: Make cr5 allocatable

A comment in rs6000.h says "cr5 is not supposed to be used".  I checked
all ABIs, going as far back as PowerOpen (1994), and found no mention
of this.

Also document cr6 is used by some vector instructions.

From-SVN: r211811
gcc/ChangeLog diff | blob | history
gcc/config/rs6000/rs6000.h diff | blob | history