DrSocalkwe3n/luajit
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Remove obsolete non-truncating number to integer conversions.

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This commit is contained in:
Mike Pall
2013-02-22 20:39:25 +01:00
parent fdc0ce8deb
commit b359ce804b
12 changed files with 31 additions and 55 deletions
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11
src/lj_crecord.c
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@@ -446,7 +446,7 @@ static TRef crec_ct_ct(jit_State *J, CType *d, CType *s, TRef dp, TRef sp,
/* fallthrough */
case CCX(I, F):
if (dt == IRT_CDATA || st == IRT_CDATA) goto err_nyi;
sp = emitconv(sp, dsize < 4 ? IRT_INT : dt, st, IRCONV_TRUNC|IRCONV_ANY);
sp = emitconv(sp, dsize < 4 ? IRT_INT : dt, st, IRCONV_ANY);
goto xstore;
case CCX(I, P):
case CCX(I, A):
@@ -522,7 +522,7 @@ static TRef crec_ct_ct(jit_State *J, CType *d, CType *s, TRef dp, TRef sp,
if (st == IRT_CDATA) goto err_nyi;
/* The signed conversion is cheaper. x64 really has 47 bit pointers. */
sp = emitconv(sp, (LJ_64 && dsize == 8) ? IRT_I64 : IRT_U32,
st, IRCONV_TRUNC|IRCONV_ANY);
st, IRCONV_ANY);
goto xstore;
/* Destination is an array. */
@@ -1229,7 +1229,7 @@ static TRef crec_arith_int64(jit_State *J, TRef *sp, CType **s, MMS mm)
for (i = 0; i < 2; i++) {
IRType st = tref_type(sp[i]);
if (st == IRT_NUM || st == IRT_FLOAT)
sp[i] = emitconv(sp[i], dt, st, IRCONV_TRUNC|IRCONV_ANY);
sp[i] = emitconv(sp[i], dt, st, IRCONV_ANY);
else if (!(st == IRT_I64 || st == IRT_U64))
sp[i] = emitconv(sp[i], dt, IRT_INT,
(s[i]->info & CTF_UNSIGNED) ? 0 : IRCONV_SEXT);
@@ -1297,15 +1297,14 @@ static TRef crec_arith_ptr(jit_State *J, TRef *sp, CType **s, MMS mm)
CTypeID id;
#if LJ_64
if (t == IRT_NUM || t == IRT_FLOAT)
tr = emitconv(tr, IRT_INTP, t, IRCONV_TRUNC|IRCONV_ANY);
tr = emitconv(tr, IRT_INTP, t, IRCONV_ANY);
else if (!(t == IRT_I64 || t == IRT_U64))
tr = emitconv(tr, IRT_INTP, IRT_INT,
((t - IRT_I8) & 1) ? 0 : IRCONV_SEXT);
#else
if (!tref_typerange(sp[1], IRT_I8, IRT_U32)) {
tr = emitconv(tr, IRT_INTP, t,
(t == IRT_NUM || t == IRT_FLOAT) ?
IRCONV_TRUNC|IRCONV_ANY : 0);
(t == IRT_NUM || t == IRT_FLOAT) ? IRCONV_ANY : 0);
}
#endif
tr = emitir(IRT(IR_MUL, IRT_INTP), tr, lj_ir_kintp(J, sz));