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ARM64: Fix code generation for S19 offsets.

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Contributed by Zhongwei Yao.
This commit is contained in:
Mike Pall
2016-12-08 05:53:36 +01:00
parent 3975b6c9f4
commit 986854cbb2
3 changed files with 4 additions and 4 deletions
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4
src/lj_emit_arm64.h
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@@ -313,7 +313,7 @@ static void emit_cond_branch(ASMState *as, A64CC cond, MCode *target)
MCode *p = --as->mcp;
ptrdiff_t delta = target - p;
lua_assert(((delta + 0x40000) >> 19) == 0);
*p = A64I_BCC | A64F_S19((uint32_t)delta & 0x7ffff) | cond;
*p = A64I_BCC | A64F_S19(delta) | cond;
}
static void emit_branch(ASMState *as, A64Ins ai, MCode *target)
@@ -338,7 +338,7 @@ static void emit_cnb(ASMState *as, A64Ins ai, Reg r, MCode *target)
MCode *p = --as->mcp;
ptrdiff_t delta = target - p;
lua_assert(((delta + 0x40000) >> 19) == 0);
*p = ai | A64F_S19((uint32_t)delta & 0x7ffff) | r;
*p = ai | A64F_S19(delta) | r;
}
#define emit_jmp(as, target) emit_branch(as, A64I_B, (target))