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Add SPLIT pass to split 64 bit IR instructions for 32 bit CPUs.

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Add generic HIOP instruction for extra backend functionality.
Add support for HIOP to x86 backend.
Use POWI for 64 bit integer x^k, too.
POWI is lowered to a call by SPLIT or the x64 backend.
This commit is contained in:
Mike Pall
2011-02-02 02:29:37 +01:00
parent c539c0cac8
commit b613216efc
14 changed files with 795 additions and 116 deletions
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21
src/lj_ir.h
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@@ -33,6 +33,7 @@
/* Miscellaneous ops. */ \
_(NOP, N , ___, ___) \
_(BASE, N , lit, lit) \
_(HIOP, S , ref, ref) \
_(LOOP, S , ___, ___) \
_(PHI, S , ref, ref) \
_(RENAME, S , ref, lit) \
@@ -212,8 +213,9 @@ IRFLDEF(FLENUM)
/* CONV mode, stored in op2. */
#define IRCONV_SRCMASK 0x001f /* Source IRType. */
#define IRCONV_DSTMASK 0x03e0 /* Dest. IRType (also in ir->t). */
#define IRCONV_NUM_INT ((IRT_NUM<<5)|IRT_INT)
#define IRCONV_INT_NUM ((IRT_INT<<5)|IRT_NUM)
#define IRCONV_DSH 5
#define IRCONV_NUM_INT ((IRT_NUM<<IRCONV_DSH)|IRT_INT)
#define IRCONV_INT_NUM ((IRT_INT<<IRCONV_DSH)|IRT_NUM)
#define IRCONV_TRUNC 0x0400 /* Truncate number to integer. */
#define IRCONV_SEXT 0x0800 /* Sign-extend integer to integer. */
#define IRCONV_MODEMASK 0x0fff
@@ -251,13 +253,21 @@ typedef struct CCallInfo {
#define CCI_CASTU64 0x0200 /* Cast u64 result to number. */
#define CCI_NOFPRCLOBBER 0x0400 /* Does not clobber any FPRs. */
#define CCI_FASTCALL 0x0800 /* Fastcall convention. */
#define CCI_STACK64 0x1000 /* Needs 64 bits per argument. */
/* Function definitions for CALL* instructions. */
#if LJ_HASFFI
#if LJ_32
#define ARG2_64 4 /* Treat as 4 32 bit arguments. */
#define IRCALLDEF_FFI32(_) \
_(lj_carith_mul64, ARG2_64, N, I64, CCI_NOFPRCLOBBER)
#else
#define ARG2_64 2
#define IRCALLDEF_FFI32(_)
#endif
#define IRCALLDEF_FFI(_) \
_(lj_carith_powi64, 2, N, I64, CCI_STACK64|CCI_NOFPRCLOBBER) \
_(lj_carith_powu64, 2, N, U64, CCI_STACK64|CCI_NOFPRCLOBBER)
IRCALLDEF_FFI32(_) \
_(lj_carith_powi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \
_(lj_carith_powu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER)
#else
#define IRCALLDEF_FFI(_)
#endif
@@ -402,6 +412,7 @@ typedef struct IRType1 { uint8_t irt; } IRType1;
#define irt_isinteger(t) (irt_typerange((t), IRT_I8, IRT_INT))
#define irt_isgcv(t) (irt_typerange((t), IRT_STR, IRT_UDATA))
#define irt_isaddr(t) (irt_typerange((t), IRT_LIGHTUD, IRT_UDATA))
#define irt_isint64(t) (irt_typerange((t), IRT_I64, IRT_U64))
#if LJ_64
#define IRT_IS64 \