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Windows/ARM64: Add initial support.

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Only builds with native ARM64 Visual Studio for now.
Thanks to vanc and Stephen Just. #593 #964
This commit is contained in:
Mike Pall
2023-09-10 05:20:22 +02:00
parent 566532b807
commit cb413bf8f4
7 changed files with 147 additions and 37 deletions
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11
src/lj_target.h
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@@ -58,9 +58,13 @@ typedef uint32_t RegSP;
#if LJ_TARGET_PPC || LJ_TARGET_MIPS || LJ_TARGET_ARM64
typedef uint64_t RegSet;
#define RSET_BITS 6
#define rset_picktop_(rs) ((Reg)lj_fls64(rs))
#define rset_pickbot_(rs) ((Reg)lj_ffs64(rs))
#else
typedef uint32_t RegSet;
#define RSET_BITS 5
#define rset_picktop_(rs) ((Reg)lj_fls(rs))
#define rset_pickbot_(rs) ((Reg)lj_ffs(rs))
#endif
#define RID2RSET(r) (((RegSet)1) << (r))
@@ -71,13 +75,6 @@ typedef uint32_t RegSet;
#define rset_set(rs, r) (rs |= RID2RSET(r))
#define rset_clear(rs, r) (rs &= ~RID2RSET(r))
#define rset_exclude(rs, r) (rs & ~RID2RSET(r))
#if LJ_TARGET_PPC || LJ_TARGET_MIPS || LJ_TARGET_ARM64
#define rset_picktop_(rs) ((Reg)(__builtin_clzll(rs)^63))
#define rset_pickbot_(rs) ((Reg)__builtin_ctzll(rs))
#else
#define rset_picktop_(rs) ((Reg)lj_fls(rs))
#define rset_pickbot_(rs) ((Reg)lj_ffs(rs))
#endif
/* -- Register allocation cost -------------------------------------------- */