gcc/gcc ChangeLog config/rs6000/rs6000.c confi ...

[aldyh@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-branch
Changes by:	aldyh@gcc.gnu.org	2004-04-29 19:13:17

Modified files:
	gcc            : ChangeLog 
	gcc/config/rs6000: rs6000.c rs6000.md spe.md rs6000-protos.h 

Log message:
	PR/12028
	* config/rs6000/rs6000.c (rs6000_emit_cmove): Disable comparisons
	of floats on the E500.
	(branch_positive_comparison_operator): Do not allow NE even on the
	E500.
	(ccr_bit): Remove E500 specific code.
	Remove miscompilation warning for e500.
	(print_operand): Add 'c' and 'D'.
	(rs6000_generate_compare): Rewrite to generate correct rtl.
	(rs6000_emit_sCOND): Handle E500.
	(output_cbranch): Adjust for changes in rs6000_generate_compare.
	(output_e500_flip_gt_bit): New.
	(rs6000_override_options): Error when user wants altivec and e500
	instructions.
	
	* config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): New constant.
	(move_from_CR_gt_bit): New.
	(cceq_ior_compare): Name previously unnamed pattern.  Disable for
	E500.
	(cceq_rev_compare): Name previously unnamed pattern.  Allow for
	E500.
	* config/rs6000/spe.md (cmpsfeq_gpr): Rewrite as unspec.
	(tstsfeq_gpr): Same.
	(cmpsfgt_gpr): Same.
	(tstsfgt_gpr): Same.
	(cmpsflt_gpr): Same.
	(tstsflt_gpr): Same.
	(e500_cceq_ior_compare): New.
	(e500_flip_gt_bit): New.
	
	* config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit):
	Protoize.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=2.2326.2.422&r2=2.2326.2.423
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/rs6000.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.576.2.15&r2=1.576.2.16
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/rs6000.md.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.284.4.8&r2=1.284.4.9
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/spe.md.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.16.10.4&r2=1.16.10.5
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/rs6000-protos.h.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.71.2.4&r2=1.71.2.5