diff options
| author | Chung-Ju Wu <jasonwucj@gmail.com> | 2015-01-13 05:37:07 +0000 |
|---|---|---|
| committer | Chung-Ju Wu <jasonwucj@gcc.gnu.org> | 2015-01-13 05:37:07 +0000 |
| commit | 1f7b80289aa9a25587e711a58220a5ba9bcfd0e0 (patch) | |
| tree | 23be476ef4afacf147ad10a39ba708ca0657fd8e | |
| parent | 77b7a1ca23b82f89ddf3561c5a7ea0cd83983b59 (diff) | |
| download | gcc-1f7b80289aa9a25587e711a58220a5ba9bcfd0e0.zip gcc-1f7b80289aa9a25587e711a58220a5ba9bcfd0e0.tar.gz gcc-1f7b80289aa9a25587e711a58220a5ba9bcfd0e0.tar.bz2 | |
[NDS32] Consider TARGET_CMODEL_LARGE for function call instructions.
gcc/
* config/nds32/nds32.md (call): Use pseudo instruction bal which
clobbers TA_REGNUM if large code model is specified.
(call_register): Likewise.
(call_immediate): Likewise.
(call_value): Likewise.
(call_value_register): Likewise.
(call_value_immediate): Likewise.
From-SVN: r219512
| -rw-r--r-- | gcc/ChangeLog | 10 | ||||
| -rw-r--r-- | gcc/config/nds32/nds32.md | 42 |
2 files changed, 42 insertions, 10 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f4fae58..047af3d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,15 @@ 2015-01-13 Chung-Ju Wu <jasonwucj@gmail.com> + * config/nds32/nds32.md (call): Use pseudo instruction bal which + clobbers TA_REGNUM if large code model is specified. + (call_register): Likewise. + (call_immediate): Likewise. + (call_value): Likewise. + (call_value_register): Likewise. + (call_value_immediate): Likewise. + +2015-01-13 Chung-Ju Wu <jasonwucj@gmail.com> + * config/nds32/nds32.h (TARGET_CMODEL_SMALL): New macro. (TARGET_CMODEL_MEDIUM): New macro. (TARGET_CMODEL_LARGE): New macro. diff --git a/gcc/config/nds32/nds32.md b/gcc/config/nds32/nds32.md index 41b5bdc..8302969 100644 --- a/gcc/config/nds32/nds32.md +++ b/gcc/config/nds32/nds32.md @@ -1902,7 +1902,8 @@ create_template: (define_expand "call" [(parallel [(call (match_operand 0 "memory_operand" "") (match_operand 1)) - (clobber (reg:SI LP_REGNUM))])] + (clobber (reg:SI LP_REGNUM)) + (clobber (reg:SI TA_REGNUM))])] "" "" ) @@ -1910,7 +1911,8 @@ create_template: (define_insn "*call_register" [(parallel [(call (mem (match_operand:SI 0 "register_operand" "r, r")) (match_operand 1)) - (clobber (reg:SI LP_REGNUM))])] + (clobber (reg:SI LP_REGNUM)) + (clobber (reg:SI TA_REGNUM))])] "" "@ jral5\t%0 @@ -1921,11 +1923,20 @@ create_template: (define_insn "*call_immediate" [(parallel [(call (mem (match_operand:SI 0 "immediate_operand" "i")) (match_operand 1)) - (clobber (reg:SI LP_REGNUM))])] + (clobber (reg:SI LP_REGNUM)) + (clobber (reg:SI TA_REGNUM))])] "" - "jal\t%0" +{ + if (TARGET_CMODEL_LARGE) + return "bal\t%0"; + else + return "jal\t%0"; +} [(set_attr "type" "branch") - (set_attr "length" "4")]) + (set (attr "length") + (if_then_else (match_test "TARGET_CMODEL_LARGE") + (const_int 12) + (const_int 4)))]) ;; Subroutine call instruction returning a value. @@ -1938,7 +1949,8 @@ create_template: [(parallel [(set (match_operand 0) (call (match_operand 1 "memory_operand" "") (match_operand 2))) - (clobber (reg:SI LP_REGNUM))])] + (clobber (reg:SI LP_REGNUM)) + (clobber (reg:SI TA_REGNUM))])] "" "" ) @@ -1947,7 +1959,8 @@ create_template: [(parallel [(set (match_operand 0) (call (mem (match_operand:SI 1 "register_operand" "r, r")) (match_operand 2))) - (clobber (reg:SI LP_REGNUM))])] + (clobber (reg:SI LP_REGNUM)) + (clobber (reg:SI TA_REGNUM))])] "" "@ jral5\t%1 @@ -1959,11 +1972,20 @@ create_template: [(parallel [(set (match_operand 0) (call (mem (match_operand:SI 1 "immediate_operand" "i")) (match_operand 2))) - (clobber (reg:SI LP_REGNUM))])] + (clobber (reg:SI LP_REGNUM)) + (clobber (reg:SI TA_REGNUM))])] "" - "jal\t%1" +{ + if (TARGET_CMODEL_LARGE) + return "bal\t%1"; + else + return "jal\t%1"; +} [(set_attr "type" "branch") - (set_attr "length" "4")]) + (set (attr "length") + (if_then_else (match_test "TARGET_CMODEL_LARGE") + (const_int 12) + (const_int 4)))]) ;; prologue and epilogue. |