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| author | Richard Kenner <kenner@gcc.gnu.org> | 1994-01-13 06:00:57 -0500 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 1994-01-13 06:00:57 -0500 |
| commit | 9f7287cd93b2472aa761b9c26302c70167ada35e (patch) | |
| tree | b2f9f1d44cb8709e6e4cfd86ceaba52c93c21931 /gcc | |
| parent | 3450f7ba602421ce9fd4f61b8aba38ee21ea7ec1 (diff) | |
| download | gcc-9f7287cd93b2472aa761b9c26302c70167ada35e.zip gcc-9f7287cd93b2472aa761b9c26302c70167ada35e.tar.gz gcc-9f7287cd93b2472aa761b9c26302c70167ada35e.tar.bz2 | |
(REG_CLASS_CONTENTS): Fix problems with last word of register set in
some classes.
(MEMORY_MOVE_COST): New macro.
From-SVN: r6388
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/a29k/a29k.h | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/gcc/config/a29k/a29k.h b/gcc/config/a29k/a29k.h index cc32cc9..6e923e7 100644 --- a/gcc/config/a29k/a29k.h +++ b/gcc/config/a29k/a29k.h @@ -1,5 +1,5 @@ /* Definitions of target machine for GNU compiler, for AMD Am29000 CPU. - Copyright (C) 1988, 1990, 1991, 1992, 1993 Free Software Foundation, Inc. + Copyright (C) 1988, 90, 91, 92, 93, 1994 Free Software Foundation, Inc. Contributed by Richard Kenner (kenner@nyu.edu) This file is part of GNU CC. @@ -525,7 +525,7 @@ enum reg_class { NO_REGS, LR0_REGS, GENERAL_REGS, BP_REGS, FC_REGS, CR_REGS, #define REG_CLASS_CONTENTS \ { {0, 0, 0, 0, 0, 0, 0, 0}, \ {0, 1, 0, 0, 0, 0, 0, 0}, \ - {~0, ~0, ~0, ~0, ~0, ~ 0xfffe0000, ~ 0xfff, 0xfffff}, \ + {~0, ~0, ~0, ~0, ~0, ~ 0xfffe0000, ~ 0xfff, 0xfff}, \ {0, 0, 0, 0, 0, 0x20000, 0, 0}, \ {0, 0, 0, 0, 0, 0x40000, 0, 0}, \ {0, 0, 0, 0, 0, 0x80000, 0, 0}, \ @@ -533,8 +533,8 @@ enum reg_class { NO_REGS, LR0_REGS, GENERAL_REGS, BP_REGS, FC_REGS, CR_REGS, {0, 0, 0, 0, 0, 0xfffe0000, 0xff, 0}, \ {0, 0, 0, 0, 0, 0, 0x100, 0}, \ {0, 0, 0, 0, 0, 0, 0xf00, 0}, \ - {~0, ~0, ~0, ~0, ~0, ~ 0xfffe0000, ~ 0xff, ~0}, \ - {~0, ~0, ~0, ~0, ~0, ~0, ~0, ~0} } + {~0, ~0, ~0, ~0, ~0, ~ 0xfffe0000, ~ 0xff, 0xfff}, \ + {~0, ~0, ~0, ~0, ~0, ~0, ~0, 0xfff} } /* The same information, inverted: Return the class number of the smallest class containing @@ -661,6 +661,15 @@ extern struct rtx_def *a29k_get_reloaded_address (); #define REGISTER_MOVE_COST(CLASS1, CLASS2) \ ((CLASS1) == GENERAL_REGS || (CLASS2) == GENERAL_REGS ? 2 : 4) +/* A C expressions returning the cost of moving data of MODE from a register to + or from memory. + + It takes extra insns on the 29k to form addresses, so we want to make + this higher. In addition, we need to keep it more expensive than the + most expensive register-register copy. */ + +#define MEMORY_MOVE_COST(MODE) 6 + /* A C statement (sans semicolon) to update the integer variable COST based on the relationship between INSN that is dependent on DEP_INSN through the dependence LINK. The default is to make no |