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FFI: Record 64 bit integer divide and modulo.

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This commit is contained in:
Mike Pall
2011-02-02 20:53:10 +01:00
parent 2c8945d3e7
commit a1e0f991d8
6 changed files with 86 additions and 34 deletions
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18
src/lj_ir.h
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@@ -10,7 +10,7 @@
/* -- IR instructions ----------------------------------------------------- */
/* IR instruction definition. Order matters, see below. */
/* IR instruction definition. Order matters, see below. ORDER IR */
#define IRDEF(_) \
/* Guarded assertions. */ \
/* Must be properly aligned to flip opposites (^1) and (un)ordered (^4). */ \
@@ -61,21 +61,21 @@
_(BROL, N , ref, ref) \
_(BROR, N , ref, ref) \
\
/* Arithmetic ops. ORDER ARITH (FPMATH/POWI take the space for MOD/POW). */ \
/* Arithmetic ops. ORDER ARITH */ \
_(ADD, C , ref, ref) \
_(SUB, N , ref, ref) \
_(MUL, C , ref, ref) \
_(DIV, N , ref, ref) \
\
_(FPMATH, N , ref, lit) \
_(MOD, N , ref, ref) \
_(POWI, N , ref, ref) \
\
_(NEG, N , ref, ref) \
\
_(ABS, N , ref, ref) \
_(ATAN2, N , ref, ref) \
_(LDEXP, N , ref, ref) \
_(MIN, C , ref, ref) \
_(MAX, C , ref, ref) \
_(FPMATH, N , ref, lit) \
\
/* Overflow-checking arithmetic ops. */ \
_(ADDOV, C , ref, ref) \
@@ -266,6 +266,10 @@ typedef struct CCallInfo {
#endif
#define IRCALLDEF_FFI(_) \
IRCALLDEF_FFI32(_) \
_(lj_carith_divi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \
_(lj_carith_divu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \
_(lj_carith_modi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \
_(lj_carith_modu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \
_(lj_carith_powi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \
_(lj_carith_powu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER)
#else
@@ -584,12 +588,12 @@ typedef union IRIns {
#define ir_kptr(ir) \
check_exp((ir)->o == IR_KPTR || (ir)->o == IR_KKPTR, mref((ir)->ptr, void))
LJ_STATIC_ASSERT((int)IRT_GUARD == (int)IRM_W);
/* A store or any other op with a non-weak guard has a side-effect. */
static LJ_AINLINE int ir_sideeff(IRIns *ir)
{
return (((ir->t.irt | ~IRT_GUARD) & lj_ir_mode[ir->o]) >= IRM_S);
}
LJ_STATIC_ASSERT((int)IRT_GUARD == (int)IRM_W);
#endif