This is the mail archive of the
gcc-cvs@gcc.gnu.org
mailing list for the GCC project.
r193543 - in /trunk/gcc: ChangeLog config.in co...
- From: davem at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: Thu, 15 Nov 2012 21:24:22 -0000
- Subject: r193543 - in /trunk/gcc: ChangeLog config.in co...
Author: davem
Date: Thu Nov 15 21:24:22 2012
New Revision: 193543
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193543
Log:
Add support for sparc fused compare-and-branch.
gcc/
2012-11-15 David S. Miller <davem@davemloft.net>
* configure.ac: Add check for assembler SPARC4 instruction
support.
* configure: Rebuild.
* config.in: Add HAVE_AS_SPARC4 section.
* config/sparc/sparc.opt (mcbcond): New option.
* doc/invoke.texi: Document it.
* config/sparc/constraints.md: New constraint 'A' for 5-bit signed
immediates.
* doc/md.texi: Document it.
* config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_CBCOND.
(sparc_option_override): Likewise.
(emit_cbcond_insn): New function.
(emit_conditional_branch_insn): Call it.
(emit_cbcond_nop): New function.
(output_ubranch): Use cbcond, remove label arg.
(output_cbcond): New function.
* config/sparc/sparc-protos.h (output_ubranch): Update.
(output_cbcond): Declare it.
(emit_cbcond_nop): Likewise.
* config/sparc/sparc.md (type attribute): New types 'cbcond'
and uncond_cbcond.
(emit_cbcond_nop): New attribute.
(length attribute): Handle cbcond and uncond_cbcond.
(in_call_delay attribute): Reject cbcond and uncond_cbcond.
(in_branch_delay attribute): Likewise.
(in_uncond_branch_delay attribute): Likewise.
(in_annul_branch_delay attribute): Likewise.
(*cbcond_sp32, *cbcond_sp64): New insn patterns.
(jump): Rewrite into an expander.
(*jump_ubranch, *jump_cbcond): New patterns.
* config/sparc/niagara4.md: Match 'cbcond' in 'n4_cti'.
* config/sparc/sparc.h (AS_NIAGARA4_FLAG): New macro, use it
when target default is niagara4.
(SPARC_SIMM5_P): Define.
* config/sparc/sol2.h (AS_SPARC64_FLAG): Adjust.
(AS_SPARC32_FLAG): Define.
(ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Use
AS_NIAGARA4_FLAG as needed.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config.in
trunk/gcc/config/sparc/constraints.md
trunk/gcc/config/sparc/niagara4.md
trunk/gcc/config/sparc/predicates.md
trunk/gcc/config/sparc/sol2.h
trunk/gcc/config/sparc/sparc-protos.h
trunk/gcc/config/sparc/sparc.c
trunk/gcc/config/sparc/sparc.h
trunk/gcc/config/sparc/sparc.md
trunk/gcc/config/sparc/sparc.opt
trunk/gcc/configure
trunk/gcc/configure.ac
trunk/gcc/doc/invoke.texi
trunk/gcc/doc/md.texi