diff options
| author | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-04-26 00:09:52 +0000 |
|---|---|---|
| committer | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-04-26 00:09:52 +0000 |
| commit | 6e6a06ca4b3803a7443541cb80d0b788df1fed94 (patch) | |
| tree | 8cca2db811f9b54c02369de2f0b5d68fbfa581cd /gcc/config/mn10300 | |
| parent | 3c014a930187ab65de7a53d280de8f465d4aca7f (diff) | |
| download | gcc-6e6a06ca4b3803a7443541cb80d0b788df1fed94.tar.gz | |
* config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
EXTENDED_REGS only if TARGET_AM33.
* config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
SP_REGS to register allocation and reloading unless absolutely
necessary.
(movsi3): Remove special-case of adding non-constants to SP.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@33429 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/mn10300')
| -rw-r--r-- | gcc/config/mn10300/mn10300.h | 4 | ||||
| -rw-r--r-- | gcc/config/mn10300/mn10300.md | 23 |
2 files changed, 8 insertions, 19 deletions
diff --git a/gcc/config/mn10300/mn10300.h b/gcc/config/mn10300/mn10300.h index bbea7b10146..f7371550ab9 100644 --- a/gcc/config/mn10300/mn10300.h +++ b/gcc/config/mn10300/mn10300.h @@ -287,8 +287,10 @@ enum reg_class { #define REG_CLASS_FROM_LETTER(C) \ ((C) == 'd' ? DATA_REGS : \ (C) == 'a' ? ADDRESS_REGS : \ + (C) == 'y' ? SP_REGS : \ + ! TARGET_AM33 ? NO_REGS : \ (C) == 'x' ? EXTENDED_REGS : \ - (C) == 'y' ? SP_REGS : NO_REGS) + NO_REGS) /* Macros to check register numbers against specific register classes. */ diff --git a/gcc/config/mn10300/mn10300.md b/gcc/config/mn10300/mn10300.md index c2f74e7c5d1..17195b4c203 100644 --- a/gcc/config/mn10300/mn10300.md +++ b/gcc/config/mn10300/mn10300.md @@ -296,9 +296,9 @@ (define_insn "" [(set (match_operand:SI 0 "general_operand" - "=dx,ax,dx,a,dxm,dxm,axm,axm,dx,dx,ax,ax,axR,y") + "=dx,ax,dx,a,dxm,dxm,axm,axm,dx,dx,ax,ax,axR,!*y") (match_operand:SI 1 "general_operand" - "0,0,I,I,dx,ax,dx,ax,dixm,aixm,dixm,aixm,xy,axR"))] + "0,0,I,I,dx,ax,dx,ax,dixm,aixm,dixm,aixm,!*y,axR"))] "register_operand (operands[0], SImode) || register_operand (operands[1], SImode)" "* @@ -744,23 +744,10 @@ (plus:SI (match_operand:SI 1 "register_operand" "") (match_operand:SI 2 "nonmemory_operand" "")))] "" - " -{ - /* We can't add a variable amount directly to the stack pointer; - so do so via a temporary register. */ - if (operands[0] == stack_pointer_rtx - && GET_CODE (operands[1]) != CONST_INT - && GET_CODE (operands[2]) != CONST_INT) - { - rtx temp = gen_reg_rtx (SImode); - emit_move_insn (temp, gen_rtx_PLUS (SImode, operands[1], operands[2])); - emit_move_insn (operands[0], temp); - DONE; - } -}") + "") (define_insn "" - [(set (match_operand:SI 0 "register_operand" "=dx,a,x,a,dax,xy,!dax") + [(set (match_operand:SI 0 "register_operand" "=dx,a,x,a,dax,!*y,!dax") (plus:SI (match_operand:SI 1 "register_operand" "%0,0,0,0,0,0,dax") (match_operand:SI 2 "nonmemory_operand" "J,J,L,L,daxi,i,dax")))] "TARGET_AM33" @@ -839,7 +826,7 @@ [(set_attr "cc" "set_zn,none_0hit,set_zn,none_0hit,set_zn,none_0hit,set_zn")]) (define_insn "" - [(set (match_operand:SI 0 "register_operand" "=dx,a,a,dax,xy,!dax") + [(set (match_operand:SI 0 "register_operand" "=dx,a,a,dax,!*y,!dax") (plus:SI (match_operand:SI 1 "register_operand" "%0,0,0,0,0,dax") (match_operand:SI 2 "nonmemory_operand" "J,J,L,daxi,i,dax")))] "" |