From 3c8c9f0daf922b6dd1f802d4dfd8b9387031b190 Mon Sep 17 00:00:00 2001 From: Chung-Lin Tang Date: Tue, 12 May 2015 15:57:22 +0000 Subject: [PATCH] nios2.h (enum reg_class): Add IJMP_REGS enum value. 2015-05-12 Chung-Lin Tang Sandra Loosemore gcc/ * config/nios2/nios2.h (enum reg_class): Add IJMP_REGS enum value. (REG_CLASS_NAMES): Add "IJMP_REGS". (REG_CLASS_CONTENTS): Add new entry for IJMP_REGS. * config/nios2/nios2.md (indirect_jump,*tablejump): Adjust to use new "c" register constraint. * config/nios2/constraint.md (c): New register constraint corresponding to IJMP_REGS. Co-Authored-By: Sandra Loosemore From-SVN: r223082 --- gcc/ChangeLog | 12 ++++++++++++ gcc/config/nios2/constraints.md | 3 +++ gcc/config/nios2/nios2.h | 11 +++++++---- gcc/config/nios2/nios2.md | 4 ++-- 4 files changed, 24 insertions(+), 6 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 816f3ab2..8d3887a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,15 @@ +2015-05-12 Chung-Lin Tang + Sandra Loosemore + + * config/nios2/nios2.h (enum reg_class): Add IJMP_REGS enum + value. + (REG_CLASS_NAMES): Add "IJMP_REGS". + (REG_CLASS_CONTENTS): Add new entry for IJMP_REGS. + * config/nios2/nios2.md (indirect_jump,*tablejump): Adjust to + use new "c" register constraint. + * config/nios2/constraint.md (c): New register constraint + corresponding to IJMP_REGS. + 2015-05-12 Segher Boessenkool * config/rs6000/rs6000.md (*rotlsi3_internal4, *rotlsi3_internal5, diff --git a/gcc/config/nios2/constraints.md b/gcc/config/nios2/constraints.md index f4bd9f7..735f892 100644 --- a/gcc/config/nios2/constraints.md +++ b/gcc/config/nios2/constraints.md @@ -39,6 +39,9 @@ ;; Register constraints +(define_register_constraint "c" "IJMP_REGS" + "A register suitable for an indirect jump.") + (define_register_constraint "j" "SIB_REGS" "A register suitable for an indirect sibcall.") diff --git a/gcc/config/nios2/nios2.h b/gcc/config/nios2/nios2.h index 510ab5f..ac33978 100644 --- a/gcc/config/nios2/nios2.h +++ b/gcc/config/nios2/nios2.h @@ -173,6 +173,7 @@ enum reg_class { NO_REGS, SIB_REGS, + IJMP_REGS, GP_REGS, ALL_REGS, LIM_REG_CLASSES @@ -183,6 +184,7 @@ enum reg_class #define REG_CLASS_NAMES \ { "NO_REGS", \ "SIB_REGS", \ + "IJMP_REGS", \ "GP_REGS", \ "ALL_REGS" } @@ -190,10 +192,11 @@ enum reg_class #define REG_CLASS_CONTENTS \ { \ - /* NO_REGS */ { 0, 0}, \ - /* SIB_REGS */ { 0xfe0c, 0}, \ - /* GP_REGS */ {~0, 0}, \ - /* ALL_REGS */ {~0,~0} \ + /* NO_REGS */ { 0, 0}, \ + /* SIB_REGS */ { 0xfe0c, 0}, \ + /* IJMP_REGS */ { 0x7fffffff, 0}, \ + /* GP_REGS */ {~0, 0}, \ + /* ALL_REGS */ {~0,~0} \ } diff --git a/gcc/config/nios2/nios2.md b/gcc/config/nios2/nios2.md index 7b35d269..36ef101 100644 --- a/gcc/config/nios2/nios2.md +++ b/gcc/config/nios2/nios2.md @@ -697,7 +697,7 @@ ; check or adjust for overflow. (define_insn "indirect_jump" - [(set (pc) (match_operand:SI 0 "register_operand" "r"))] + [(set (pc) (match_operand:SI 0 "register_operand" "c"))] "" "jmp\\t%0" [(set_attr "type" "control")]) @@ -811,7 +811,7 @@ (define_insn "*tablejump" [(set (pc) - (match_operand:SI 0 "register_operand" "r")) + (match_operand:SI 0 "register_operand" "c")) (use (label_ref (match_operand 1 "" "")))] "" "jmp\\t%0" -- 2.7.4