nios2.h (enum reg_class): Add IJMP_REGS enum value.
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. Co-Authored-By: Sandra Loosemore <sandra@codesourcery.com> From-SVN: r223082
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@ -1,3 +1,15 @@
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2015-05-12 Chung-Lin Tang <cltang@codesourcery.com>
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Sandra Loosemore <sandra@codesourcery.com>
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* config/nios2/nios2.h (enum reg_class): Add IJMP_REGS enum
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value.
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(REG_CLASS_NAMES): Add "IJMP_REGS".
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(REG_CLASS_CONTENTS): Add new entry for IJMP_REGS.
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* config/nios2/nios2.md (indirect_jump,*tablejump): Adjust to
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use new "c" register constraint.
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* config/nios2/constraint.md (c): New register constraint
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corresponding to IJMP_REGS.
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2015-05-12 Segher Boessenkool <segher@kernel.crashing.org>
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* config/rs6000/rs6000.md (*rotlsi3_internal4, *rotlsi3_internal5,
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@ -39,6 +39,9 @@
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;; Register constraints
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(define_register_constraint "c" "IJMP_REGS"
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"A register suitable for an indirect jump.")
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(define_register_constraint "j" "SIB_REGS"
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"A register suitable for an indirect sibcall.")
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@ -173,6 +173,7 @@ enum reg_class
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{
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NO_REGS,
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SIB_REGS,
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IJMP_REGS,
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GP_REGS,
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ALL_REGS,
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LIM_REG_CLASSES
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@ -183,6 +184,7 @@ enum reg_class
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#define REG_CLASS_NAMES \
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{ "NO_REGS", \
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"SIB_REGS", \
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"IJMP_REGS", \
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"GP_REGS", \
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"ALL_REGS" }
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@ -190,10 +192,11 @@ enum reg_class
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#define REG_CLASS_CONTENTS \
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{ \
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/* NO_REGS */ { 0, 0}, \
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/* SIB_REGS */ { 0xfe0c, 0}, \
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/* GP_REGS */ {~0, 0}, \
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/* ALL_REGS */ {~0,~0} \
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/* NO_REGS */ { 0, 0}, \
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/* SIB_REGS */ { 0xfe0c, 0}, \
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/* IJMP_REGS */ { 0x7fffffff, 0}, \
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/* GP_REGS */ {~0, 0}, \
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/* ALL_REGS */ {~0,~0} \
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}
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@ -697,7 +697,7 @@
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; check or adjust for overflow.
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(define_insn "indirect_jump"
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[(set (pc) (match_operand:SI 0 "register_operand" "r"))]
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[(set (pc) (match_operand:SI 0 "register_operand" "c"))]
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""
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"jmp\\t%0"
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[(set_attr "type" "control")])
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@ -811,7 +811,7 @@
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(define_insn "*tablejump"
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[(set (pc)
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(match_operand:SI 0 "register_operand" "r"))
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(match_operand:SI 0 "register_operand" "c"))
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(use (label_ref (match_operand 1 "" "")))]
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""
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"jmp\\t%0"
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