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Move common 32/64 bit in-memory FP constants to jit_State.

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Prerequisite for immovable IR.
Contributed by Peter Cawley.
This commit is contained in:
Mike Pall
2016-05-21 00:02:45 +02:00
parent 1931b38da5
commit cfa188f134
6 changed files with 77 additions and 34 deletions
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24
src/lj_trace.c
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@@ -297,13 +297,35 @@ void lj_trace_initstate(global_State *g)
{
jit_State *J = G2J(g);
TValue *tv;
/* Initialize SIMD constants. */
/* Initialize aligned SIMD constants. */
tv = LJ_KSIMD(J, LJ_KSIMD_ABS);
tv[0].u64 = U64x(7fffffff,ffffffff);
tv[1].u64 = U64x(7fffffff,ffffffff);
tv = LJ_KSIMD(J, LJ_KSIMD_NEG);
tv[0].u64 = U64x(80000000,00000000);
tv[1].u64 = U64x(80000000,00000000);
/* Initialize 32/64 bit constants. */
#if LJ_TARGET_X86ORX64
J->k64[LJ_K64_TOBIT].u64 = U64x(43380000,00000000);
J->k64[LJ_K64_2P64].u64 = U64x(43f00000,00000000);
J->k64[LJ_K64_M2P64].u64 = U64x(c3f00000,00000000);
#if LJ_32
J->k64[LJ_K64_M2P64_31].u64 = U64x(c1e00000,00000000);
#endif
J->k32[LJ_K32_M2P64_31] = LJ_64 ? 0xdf800000 : 0xcf000000;
#endif
#if LJ_TARGET_PPC
J->k32[LJ_K32_2P52_2P31] = 0x59800004;
J->k32[LJ_K32_2P52] = 0x59800000;
#endif
#if LJ_TARGET_PPC || LJ_TARGET_MIPS
J->k32[LJ_K32_2P31] = 0x4f000000;
#endif
#if LJ_TARGET_MIPS
J->k64[LJ_K64_2P31].u64 = U64x(41e00000,00000000);
#endif
}
/* Free everything associated with the JIT compiler state. */