diff options
Diffstat (limited to 'meta/recipes-devtools/gcc/gcc-5.4/0052-nios2-use-ret-with-r31.patch')
| -rw-r--r-- | meta/recipes-devtools/gcc/gcc-5.4/0052-nios2-use-ret-with-r31.patch | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/meta/recipes-devtools/gcc/gcc-5.4/0052-nios2-use-ret-with-r31.patch b/meta/recipes-devtools/gcc/gcc-5.4/0052-nios2-use-ret-with-r31.patch new file mode 100644 index 0000000000..f3cb47fd13 --- /dev/null +++ b/meta/recipes-devtools/gcc/gcc-5.4/0052-nios2-use-ret-with-r31.patch @@ -0,0 +1,103 @@ +From 1d67120d95c2c6e0ed4f7357d1cc62887eaba463 Mon Sep 17 00:00:00 2001 +From: sandra <sandra@138bc75d-0d04-0410-961f-82ee72b054a4> +Date: Tue, 12 May 2015 15:57:22 +0000 +Subject: [PATCH] 2015-05-12 Chung-Lin Tang <cltang@codesourcery.com> + Sandra Loosemore <sandra@codesourcery.com> + + 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. + + + +git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@223082 138bc75d-0d04-0410-961f-82ee72b054a4 +Signed-off-by: Marek Vasut <marex@denx.de> +Upstream-Status: Backport [ git://gcc.gnu.org/git/gcc.git 1d67120d95c2c6e0ed4f7357d1cc62887eaba463 ] +--- + 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/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" +-- +2.7.0 + |