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tcg: Split out tcg-target-reg-bits.h

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Often, the only thing we need to know about the TCG host
is the register size.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-05-01 10:57:11 +01:00
parent e5b4906377
commit d46259c037
18 changed files with 162 additions and 59 deletions
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16
tcg/i386/tcg-target-reg-bits.h Normal file
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@ -0,0 +1,16 @@
/* SPDX-License-Identifier: MIT */
/*
* Define target-specific register size
* Copyright (c) 2008 Fabrice Bellard
*/
#ifndef TCG_TARGET_REG_BITS_H
#define TCG_TARGET_REG_BITS_H
#ifdef __x86_64__
# define TCG_TARGET_REG_BITS 64
#else
# define TCG_TARGET_REG_BITS 32
#endif
#endif

2
tcg/i386/tcg-target.h
View file

@ -30,11 +30,9 @@
#define TCG_TARGET_INSN_UNIT_SIZE 1
#ifdef __x86_64__
# define TCG_TARGET_REG_BITS 64
# define TCG_TARGET_NB_REGS 32
# define MAX_CODE_GEN_BUFFER_SIZE (2 * GiB)
#else
# define TCG_TARGET_REG_BITS 32
# define TCG_TARGET_NB_REGS 24
# define MAX_CODE_GEN_BUFFER_SIZE UINT32_MAX
#endif