d3b7269024
* rtl.h (truncated_to_mode): Declare it. (struct rtl_hooks): Add reg_truncated_to_mode hook. * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro. (RTL_HOOKS_INITIALIZER): Include it. * rtlhooks.c (reg_truncated_to_mode_general): New function. * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to reg_truncated_to_mode. * rtlanal.c (truncated_to_mode): Define it. * simplify-rtx.c (simplify_unary_operation_1): Use it. Co-Authored-By: Adam Nemet <anemet@caviumnetworks.com> From-SVN: r111573
53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/* Default macros to initialize an rtl_hooks data structure.
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Copyright 2004, 2005 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to
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the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#ifndef GCC_RTL_HOOKS_DEF_H
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#define GCC_RTL_HOOKS_DEF_H
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#include "rtl.h"
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#define RTL_HOOKS_GEN_LOWPART gen_lowpart_general
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#define RTL_HOOKS_GEN_LOWPART_NO_EMIT gen_lowpart_no_emit_general
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#define RTL_HOOKS_REG_NONZERO_REG_BITS reg_nonzero_bits_general
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#define RTL_HOOKS_REG_NUM_SIGN_BIT_COPIES reg_num_sign_bit_copies_general
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#define RTL_HOOKS_REG_TRUNCATED_TO_MODE reg_truncated_to_mode_general
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/* The structure is defined in rtl.h. */
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#define RTL_HOOKS_INITIALIZER { \
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RTL_HOOKS_GEN_LOWPART, \
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RTL_HOOKS_GEN_LOWPART_NO_EMIT, \
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RTL_HOOKS_REG_NONZERO_REG_BITS, \
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RTL_HOOKS_REG_NUM_SIGN_BIT_COPIES, \
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RTL_HOOKS_REG_TRUNCATED_TO_MODE, \
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}
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extern rtx gen_lowpart_general (enum machine_mode, rtx);
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extern rtx gen_lowpart_no_emit_general (enum machine_mode, rtx);
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extern rtx reg_nonzero_bits_general (rtx, enum machine_mode, rtx,
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enum machine_mode,
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unsigned HOST_WIDE_INT,
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unsigned HOST_WIDE_INT *);
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extern rtx reg_num_sign_bit_copies_general (rtx, enum machine_mode, rtx,
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enum machine_mode,
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unsigned int, unsigned int *);
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extern bool reg_truncated_to_mode_general (enum machine_mode, rtx);
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#endif /* GCC_RTL_HOOKS_DEF_H */
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