From 8b98b5fd9f9e4edb38a6b7eeb91b5a77ad91d95c Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 15 Nov 2012 21:24:22 +0000 Subject: Add support for sparc fused compare-and-branch. gcc/ 2012-11-15 David S. Miller * 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. From-SVN: r193543 --- gcc/config/sparc/sparc-protos.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'gcc/config/sparc/sparc-protos.h') diff --git a/gcc/config/sparc/sparc-protos.h b/gcc/config/sparc/sparc-protos.h index 97f6233..d5b2b1f 100644 --- a/gcc/config/sparc/sparc-protos.h +++ b/gcc/config/sparc/sparc-protos.h @@ -71,7 +71,7 @@ extern void sparc_emit_set_symbolic_const64 (rtx, rtx, rtx); extern int sparc_splitdi_legitimate (rtx, rtx); extern int sparc_split_regreg_legitimate (rtx, rtx); extern int sparc_absnegfloat_split_legitimate (rtx, rtx); -extern const char *output_ubranch (rtx, int, rtx); +extern const char *output_ubranch (rtx, rtx); extern const char *output_cbranch (rtx, rtx, int, int, int, rtx); extern const char *output_return (rtx); extern const char *output_sibcall (rtx, rtx); @@ -79,10 +79,12 @@ extern const char *output_v8plus_shift (rtx, rtx *, const char *); extern const char *output_v8plus_mult (rtx, rtx *, const char *); extern const char *output_v9branch (rtx, rtx, int, int, int, int, rtx); extern const char *output_probe_stack_range (rtx, rtx); +extern const char *output_cbcond (rtx, rtx, rtx); extern bool emit_scc_insn (rtx []); extern void emit_conditional_branch_insn (rtx []); extern int mems_ok_for_ldd_peep (rtx, rtx, rtx); extern int empty_delay_slot (rtx); +extern int emit_cbcond_nop (rtx); extern int eligible_for_return_delay (rtx); extern int eligible_for_sibcall_delay (rtx); extern int tls_call_delay (rtx); -- cgit v1.1