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ARM64: Make use of tbz/tbnz and cbz/cbnz.

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Contributed by Djordje Kovacevic and Stefan Pejic from RT-RK.com.
This commit is contained in:
Mike Pall
2016-11-29 19:30:40 +01:00
parent 6538c8a187
commit 3ad2bbf586
3 changed files with 91 additions and 17 deletions
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6
src/lj_target_arm64.h
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@@ -127,7 +127,9 @@ static LJ_AINLINE uint32_t *exitstub_trace_addr_(uint32_t *p, uint32_t exitno)
#define A64F_U12(x) ((x) << 10)
#define A64F_S26(x) (x)
#define A64F_S19(x) ((x) << 5)
#define A64F_S14(x) ((x) << 5)
#define A64F_S9(x) ((x) << 12)
#define A64F_BIT(x) ((x) << 19)
#define A64F_SH(sh, x) (((sh) << 22) | ((x) << 10))
#define A64F_EX(ex) (A64I_EX | ((ex) << 13))
#define A64F_EXSH(ex,x) (A64I_EX | ((ex) << 13) | ((x) << 10))
@@ -235,6 +237,10 @@ typedef enum A64Ins {
A64I_BL = 0x94000000,
A64I_BR = 0xd61f0000,
A64I_BLR = 0xd63f0000,
A64I_TBZ = 0x36000000,
A64I_TBNZ = 0x37000000,
A64I_CBZ = 0x34000000,
A64I_CBNZ = 0x35000000,
A64I_NOP = 0xd503201f,