libgcc: xtensa: use built-in configuration
Now that gcc provides __XCHAL_* definitions use them instead of XCHAL_* definitions from the include/xtensa-config.h. That makes libgcc dynamically configurable for the target xtensa core. libgcc/ * config/xtensa/crti.S (xtensa-config.h): Replace #inlcude with xtensa-config-builtin.h. * config/xtensa/crtn.S: Likewise. * config/xtensa/lib1funcs.S: Likewise. * config/xtensa/lib2funcs.S: Likewise. * config/xtensa/xtensa-config-builtin.h: New File.
This commit is contained in:
Max Filippov
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ecb575d09c
commit
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5 changed files with 202 additions and 4 deletions
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@ -24,7 +24,7 @@
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# .init sections. Users may put any desired instructions in those
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# sections.
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#include "xtensa-config.h"
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#include "xtensa-config-builtin.h"
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.section .init
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.globl _init
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@ -25,7 +25,7 @@
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# fact return. Users may put any desired instructions in those sections.
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# This file is the last thing linked into any executable.
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#include "xtensa-config.h"
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#include "xtensa-config-builtin.h"
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.section .init
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#if XCHAL_HAVE_WINDOWED && !__XTENSA_CALL0_ABI__
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@ -23,7 +23,7 @@ a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "xtensa-config.h"
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#include "xtensa-config-builtin.h"
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/* Define macros for the ABS and ADDX* instructions to handle cases
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where they are not included in the Xtensa processor configuration. */
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@ -23,7 +23,7 @@ a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "xtensa-config.h"
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#include "xtensa-config-builtin.h"
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/* __xtensa_libgcc_window_spill: This function flushes out all but the
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current register window. This is used to set up the stack so that
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198
libgcc/config/xtensa/xtensa-config-builtin.h
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198
libgcc/config/xtensa/xtensa-config-builtin.h
Normal file
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@ -0,0 +1,198 @@
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/* Xtensa configuration settings.
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Copyright (C) 2022 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 it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, 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, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef XTENSA_CONFIG_BUILTIN_H
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#define XTENSA_CONFIG_BUILTIN_H
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/* The macros defined here match those with the same names in the Xtensa
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compile-time HAL (Hardware Abstraction Layer). Please refer to the
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Xtensa System Software Reference Manual for documentation of these
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macros. */
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#undef XCHAL_HAVE_BE
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#define XCHAL_HAVE_BE __XCHAL_HAVE_BE
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#undef XCHAL_HAVE_DENSITY
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#define XCHAL_HAVE_DENSITY __XCHAL_HAVE_DENSITY
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#undef XCHAL_HAVE_CONST16
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#define XCHAL_HAVE_CONST16 __XCHAL_HAVE_CONST16
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#undef XCHAL_HAVE_ABS
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#define XCHAL_HAVE_ABS __XCHAL_HAVE_ABS
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#undef XCHAL_HAVE_ADDX
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#define XCHAL_HAVE_ADDX __XCHAL_HAVE_ADDX
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#undef XCHAL_HAVE_L32R
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#define XCHAL_HAVE_L32R __XCHAL_HAVE_L32R
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#undef XSHAL_USE_ABSOLUTE_LITERALS
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#define XSHAL_USE_ABSOLUTE_LITERALS __XSHAL_USE_ABSOLUTE_LITERALS
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#undef XSHAL_HAVE_TEXT_SECTION_LITERALS
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#define XSHAL_HAVE_TEXT_SECTION_LITERALS __XSHAL_HAVE_TEXT_SECTION_LITERALS
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#undef XCHAL_HAVE_MAC16
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#define XCHAL_HAVE_MAC16 __XCHAL_HAVE_MAC16
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#undef XCHAL_HAVE_MUL16
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#define XCHAL_HAVE_MUL16 __XCHAL_HAVE_MUL16
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#undef XCHAL_HAVE_MUL32
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#define XCHAL_HAVE_MUL32 __XCHAL_HAVE_MUL32
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#undef XCHAL_HAVE_MUL32_HIGH
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#define XCHAL_HAVE_MUL32_HIGH __XCHAL_HAVE_MUL32_HIGH
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#undef XCHAL_HAVE_DIV32
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#define XCHAL_HAVE_DIV32 __XCHAL_HAVE_DIV32
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#undef XCHAL_HAVE_NSA
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#define XCHAL_HAVE_NSA __XCHAL_HAVE_NSA
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#undef XCHAL_HAVE_MINMAX
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#define XCHAL_HAVE_MINMAX __XCHAL_HAVE_MINMAX
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#undef XCHAL_HAVE_SEXT
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#define XCHAL_HAVE_SEXT __XCHAL_HAVE_SEXT
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#undef XCHAL_HAVE_LOOPS
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#define XCHAL_HAVE_LOOPS __XCHAL_HAVE_LOOPS
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#undef XCHAL_HAVE_THREADPTR
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#define XCHAL_HAVE_THREADPTR __XCHAL_HAVE_THREADPTR
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#undef XCHAL_HAVE_RELEASE_SYNC
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#define XCHAL_HAVE_RELEASE_SYNC __XCHAL_HAVE_RELEASE_SYNC
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#undef XCHAL_HAVE_S32C1I
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#define XCHAL_HAVE_S32C1I __XCHAL_HAVE_S32C1I
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#undef XCHAL_HAVE_BOOLEANS
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#define XCHAL_HAVE_BOOLEANS __XCHAL_HAVE_BOOLEANS
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#undef XCHAL_HAVE_FP
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#define XCHAL_HAVE_FP __XCHAL_HAVE_FP
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#undef XCHAL_HAVE_FP_DIV
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#define XCHAL_HAVE_FP_DIV __XCHAL_HAVE_FP_DIV
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#undef XCHAL_HAVE_FP_RECIP
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#define XCHAL_HAVE_FP_RECIP __XCHAL_HAVE_FP_RECIP
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#undef XCHAL_HAVE_FP_SQRT
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#define XCHAL_HAVE_FP_SQRT __XCHAL_HAVE_FP_SQRT
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#undef XCHAL_HAVE_FP_RSQRT
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#define XCHAL_HAVE_FP_RSQRT __XCHAL_HAVE_FP_RSQRT
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#undef XCHAL_HAVE_FP_POSTINC
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#define XCHAL_HAVE_FP_POSTINC __XCHAL_HAVE_FP_POSTINC
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#undef XCHAL_HAVE_DFP
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#define XCHAL_HAVE_DFP __XCHAL_HAVE_DFP
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#undef XCHAL_HAVE_DFP_DIV
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#define XCHAL_HAVE_DFP_DIV __XCHAL_HAVE_DFP_DIV
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#undef XCHAL_HAVE_DFP_RECIP
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#define XCHAL_HAVE_DFP_RECIP __XCHAL_HAVE_DFP_RECIP
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#undef XCHAL_HAVE_DFP_SQRT
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#define XCHAL_HAVE_DFP_SQRT __XCHAL_HAVE_DFP_SQRT
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#undef XCHAL_HAVE_DFP_RSQRT
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#define XCHAL_HAVE_DFP_RSQRT __XCHAL_HAVE_DFP_RSQRT
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#undef XCHAL_HAVE_WINDOWED
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#define XCHAL_HAVE_WINDOWED __XCHAL_HAVE_WINDOWED
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#undef XCHAL_NUM_AREGS
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#define XCHAL_NUM_AREGS __XCHAL_NUM_AREGS2
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#undef XCHAL_HAVE_WIDE_BRANCHES
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#define XCHAL_HAVE_WIDE_BRANCHES __XCHAL_HAVE_WIDE_BRANCHES
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#undef XCHAL_HAVE_PREDICTED_BRANCHES
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#define XCHAL_HAVE_PREDICTED_BRANCHES __XCHAL_HAVE_PREDICTED_BRANCHES
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#undef XCHAL_ICACHE_SIZE
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#define XCHAL_ICACHE_SIZE __XCHAL_ICACHE_SIZE6384
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#undef XCHAL_DCACHE_SIZE
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#define XCHAL_DCACHE_SIZE __XCHAL_DCACHE_SIZE6384
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#undef XCHAL_ICACHE_LINESIZE
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#define XCHAL_ICACHE_LINESIZE __XCHAL_ICACHE_LINESIZE2
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#undef XCHAL_DCACHE_LINESIZE
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#define XCHAL_DCACHE_LINESIZE __XCHAL_DCACHE_LINESIZE2
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#undef XCHAL_ICACHE_LINEWIDTH
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#define XCHAL_ICACHE_LINEWIDTH __XCHAL_ICACHE_LINEWIDTH
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#undef XCHAL_DCACHE_LINEWIDTH
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#define XCHAL_DCACHE_LINEWIDTH __XCHAL_DCACHE_LINEWIDTH
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#undef XCHAL_DCACHE_IS_WRITEBACK
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#define XCHAL_DCACHE_IS_WRITEBACK __XCHAL_DCACHE_IS_WRITEBACK
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#undef XCHAL_HAVE_MMU
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#define XCHAL_HAVE_MMU __XCHAL_HAVE_MMU
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#undef XCHAL_MMU_MIN_PTE_PAGE_SIZE
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#define XCHAL_MMU_MIN_PTE_PAGE_SIZE __XCHAL_MMU_MIN_PTE_PAGE_SIZE2
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#undef XCHAL_HAVE_DEBUG
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#define XCHAL_HAVE_DEBUG __XCHAL_HAVE_DEBUG
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#undef XCHAL_NUM_IBREAK
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#define XCHAL_NUM_IBREAK __XCHAL_NUM_IBREAK
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#undef XCHAL_NUM_DBREAK
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#define XCHAL_NUM_DBREAK __XCHAL_NUM_DBREAK
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#undef XCHAL_DEBUGLEVEL
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#define XCHAL_DEBUGLEVEL __XCHAL_DEBUGLEVEL
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#undef XCHAL_MAX_INSTRUCTION_SIZE
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#define XCHAL_MAX_INSTRUCTION_SIZE __XCHAL_MAX_INSTRUCTION_SIZE
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#undef XCHAL_INST_FETCH_WIDTH
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#define XCHAL_INST_FETCH_WIDTH __XCHAL_INST_FETCH_WIDTH
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#undef XSHAL_ABI
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#undef XTHAL_ABI_WINDOWED
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#undef XTHAL_ABI_CALL0
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#define XSHAL_ABI __XSHAL_ABITHAL_ABI_WINDOWED
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#define XTHAL_ABI_WINDOWED __XTHAL_ABI_WINDOWED
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#define XTHAL_ABI_CALL0 __XTHAL_ABI_CALL0
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#endif /* !XTENSA_CONFIG_BUILTIN_H */
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