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py/nlr.h: Factor out constants to specific macros.

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This commit is contained in:
Damien George 2019-09-18 13:39:01 +10:00
parent 02db91a7a3
commit a48cdb57b2
1 changed files with 13 additions and 6 deletions
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19
py/nlr.h
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@ -34,6 +34,13 @@
#include "py/mpconfig.h"
#define MICROPY_NLR_NUM_REGS_X86 (6)
#define MICROPY_NLR_NUM_REGS_X64 (8)
#define MICROPY_NLR_NUM_REGS_X64_WIN (10)
#define MICROPY_NLR_NUM_REGS_ARM_THUMB (10)
#define MICROPY_NLR_NUM_REGS_ARM_THUMB_FP (10 + 6)
#define MICROPY_NLR_NUM_REGS_XTENSA (10)
// If MICROPY_NLR_SETJMP is not enabled then auto-detect the machine arch
#if !MICROPY_NLR_SETJMP
// A lot of nlr-related things need different treatment on Windows
@ -44,27 +51,27 @@
#endif
#if defined(__i386__)
#define MICROPY_NLR_X86 (1)
#define MICROPY_NLR_NUM_REGS (6)
#define MICROPY_NLR_NUM_REGS (MICROPY_NLR_NUM_REGS_X86)
#elif defined(__x86_64__)
#define MICROPY_NLR_X64 (1)
#if MICROPY_NLR_OS_WINDOWS
#define MICROPY_NLR_NUM_REGS (10)
#define MICROPY_NLR_NUM_REGS (MICROPY_NLR_NUM_REGS_X64_WIN)
#else
#define MICROPY_NLR_NUM_REGS (8)
#define MICROPY_NLR_NUM_REGS (MICROPY_NLR_NUM_REGS_X64)
#endif
#elif defined(__thumb2__) || defined(__thumb__) || defined(__arm__)
#define MICROPY_NLR_THUMB (1)
#if defined(__SOFTFP__)
#define MICROPY_NLR_NUM_REGS (10)
#define MICROPY_NLR_NUM_REGS (MICROPY_NLR_NUM_REGS_ARM_THUMB)
#else
// With hardware FP registers s16-s31 are callee save so in principle
// should be saved and restored by the NLR code. gcc only uses s16-s21
// so only save/restore those as an optimisation.
#define MICROPY_NLR_NUM_REGS (10 + 6)
#define MICROPY_NLR_NUM_REGS (MICROPY_NLR_NUM_REGS_ARM_THUMB_FP)
#endif
#elif defined(__xtensa__)
#define MICROPY_NLR_XTENSA (1)
#define MICROPY_NLR_NUM_REGS (10)
#define MICROPY_NLR_NUM_REGS (MICROPY_NLR_NUM_REGS_XTENSA)
#else
#define MICROPY_NLR_SETJMP (1)
//#warning "No native NLR support for this arch, using setjmp implementation"