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(REG_CLASS_CONTENTS): Fix problems with last word of register set in

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some classes.

(MEMORY_MOVE_COST): New macro.

From-SVN: r6388
This commit is contained in:
Richard Kenner 1994-01-13 06:00:57 -05:00
parent 3450f7ba60
commit 9f7287cd93
1 changed files with 13 additions and 4 deletions
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17
gcc/config/a29k/a29k.h
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@ -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