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Refactor CCallInfo representation for split arguments.

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This commit is contained in:
Mike Pall 2013-05-13 19:49:46 +02:00
parent 23e47f2913
commit acda75ad2c
6 changed files with 74 additions and 59 deletions
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2
src/lj_asm.c
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@ -1197,7 +1197,7 @@ static void asm_newref(ASMState *as, IRIns *ir)
static void asm_collectargs(ASMState *as, IRIns *ir, static void asm_collectargs(ASMState *as, IRIns *ir,
const CCallInfo *ci, IRRef *args) const CCallInfo *ci, IRRef *args)
{ {
uint32_t n = CCI_NARGS(ci); uint32_t n = CCI_XNARGS(ci);
lua_assert(n <= CCI_NARGS_MAX); lua_assert(n <= CCI_NARGS_MAX);
if ((ci->flags & CCI_L)) { *args++ = ASMREF_L; n--; } if ((ci->flags & CCI_L)) { *args++ = ASMREF_L; n--; }
while (n-- > 1) { while (n-- > 1) {

4
src/lj_asm_arm.h
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@ -338,7 +338,7 @@ static int asm_fusemadd(ASMState *as, IRIns *ir, ARMIns ai, ARMIns air)
/* Generate a call to a C function. */ /* Generate a call to a C function. */
static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args)
{ {
uint32_t n, nargs = CCI_NARGS(ci); uint32_t n, nargs = CCI_XNARGS(ci);
int32_t ofs = 0; int32_t ofs = 0;
#if LJ_SOFTFP #if LJ_SOFTFP
Reg gpr = REGARG_FIRSTGPR; Reg gpr = REGARG_FIRSTGPR;
@ -2133,7 +2133,7 @@ static void asm_tail_prep(ASMState *as)
static Reg asm_setup_call_slots(ASMState *as, IRIns *ir, const CCallInfo *ci) static Reg asm_setup_call_slots(ASMState *as, IRIns *ir, const CCallInfo *ci)
{ {
IRRef args[CCI_NARGS_MAX]; IRRef args[CCI_NARGS_MAX];
uint32_t i, nargs = (int)CCI_NARGS(ci); uint32_t i, nargs = CCI_XNARGS(ci);
int nslots = 0, ngpr = REGARG_NUMGPR, nfpr = REGARG_NUMFPR, fprodd = 0; int nslots = 0, ngpr = REGARG_NUMGPR, nfpr = REGARG_NUMFPR, fprodd = 0;
asm_collectargs(as, ir, ci, args); asm_collectargs(as, ir, ci, args);
for (i = 0; i < nargs; i++) { for (i = 0; i < nargs; i++) {

4
src/lj_asm_mips.h
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@ -226,7 +226,7 @@ static void asm_fusexref(ASMState *as, MIPSIns mi, Reg rt, IRRef ref,
/* Generate a call to a C function. */ /* Generate a call to a C function. */
static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args)
{ {
uint32_t n, nargs = CCI_NARGS(ci); uint32_t n, nargs = CCI_XNARGS(ci);
int32_t ofs = 16; int32_t ofs = 16;
Reg gpr, fpr = REGARG_FIRSTFPR; Reg gpr, fpr = REGARG_FIRSTFPR;
if ((void *)ci->func) if ((void *)ci->func)
@ -1726,7 +1726,7 @@ static void asm_tail_prep(ASMState *as)
static Reg asm_setup_call_slots(ASMState *as, IRIns *ir, const CCallInfo *ci) static Reg asm_setup_call_slots(ASMState *as, IRIns *ir, const CCallInfo *ci)
{ {
IRRef args[CCI_NARGS_MAX]; IRRef args[CCI_NARGS_MAX];
uint32_t i, nargs = (int)CCI_NARGS(ci); uint32_t i, nargs = CCI_XNARGS(ci);
int nslots = 4, ngpr = REGARG_NUMGPR, nfpr = REGARG_NUMFPR; int nslots = 4, ngpr = REGARG_NUMGPR, nfpr = REGARG_NUMFPR;
asm_collectargs(as, ir, ci, args); asm_collectargs(as, ir, ci, args);
for (i = 0; i < nargs; i++) { for (i = 0; i < nargs; i++) {

4
src/lj_asm_ppc.h
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@ -249,7 +249,7 @@ static int asm_fusemadd(ASMState *as, IRIns *ir, PPCIns pi, PPCIns pir)
/* Generate a call to a C function. */ /* Generate a call to a C function. */
static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args)
{ {
uint32_t n, nargs = CCI_NARGS(ci); uint32_t n, nargs = CCI_XNARGS(ci);
int32_t ofs = 8; int32_t ofs = 8;
Reg gpr = REGARG_FIRSTGPR, fpr = REGARG_FIRSTFPR; Reg gpr = REGARG_FIRSTGPR, fpr = REGARG_FIRSTFPR;
if ((void *)ci->func) if ((void *)ci->func)
@ -1917,7 +1917,7 @@ static void asm_tail_prep(ASMState *as)
static Reg asm_setup_call_slots(ASMState *as, IRIns *ir, const CCallInfo *ci) static Reg asm_setup_call_slots(ASMState *as, IRIns *ir, const CCallInfo *ci)
{ {
IRRef args[CCI_NARGS_MAX]; IRRef args[CCI_NARGS_MAX];
uint32_t i, nargs = (int)CCI_NARGS(ci); uint32_t i, nargs = CCI_XNARGS(ci);
int nslots = 2, ngpr = REGARG_NUMGPR, nfpr = REGARG_NUMFPR; int nslots = 2, ngpr = REGARG_NUMGPR, nfpr = REGARG_NUMFPR;
asm_collectargs(as, ir, ci, args); asm_collectargs(as, ir, ci, args);
for (i = 0; i < nargs; i++) for (i = 0; i < nargs; i++)

4
src/lj_asm_x86.h
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@ -384,7 +384,7 @@ static Reg asm_fuseloadm(ASMState *as, IRRef ref, RegSet allow, int is64)
/* Count the required number of stack slots for a call. */ /* Count the required number of stack slots for a call. */
static int asm_count_call_slots(ASMState *as, const CCallInfo *ci, IRRef *args) static int asm_count_call_slots(ASMState *as, const CCallInfo *ci, IRRef *args)
{ {
uint32_t i, nargs = CCI_NARGS(ci); uint32_t i, nargs = CCI_XNARGS(ci);
int nslots = 0; int nslots = 0;
#if LJ_64 #if LJ_64
if (LJ_ABI_WIN) { if (LJ_ABI_WIN) {
@ -417,7 +417,7 @@ static int asm_count_call_slots(ASMState *as, const CCallInfo *ci, IRRef *args)
/* Generate a call to a C function. */ /* Generate a call to a C function. */
static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args) static void asm_gencall(ASMState *as, const CCallInfo *ci, IRRef *args)
{ {
uint32_t n, nargs = CCI_NARGS(ci); uint32_t n, nargs = CCI_XNARGS(ci);
int32_t ofs = STACKARG_OFS; int32_t ofs = STACKARG_OFS;
#if LJ_64 #if LJ_64
uint32_t gprs = REGARG_GPRS; uint32_t gprs = REGARG_GPRS;

115
src/lj_ircall.h
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@ -16,7 +16,7 @@ typedef struct CCallInfo {
uint32_t flags; /* Number of arguments and flags. */ uint32_t flags; /* Number of arguments and flags. */
} CCallInfo; } CCallInfo;
#define CCI_NARGS(ci) ((ci)->flags & 0xff) /* Extract # of args. */ #define CCI_NARGS(ci) ((ci)->flags & 0xff) /* # of args. */
#define CCI_NARGS_MAX 32 /* Max. # of args. */ #define CCI_NARGS_MAX 32 /* Max. # of args. */
#define CCI_OTSHIFT 16 #define CCI_OTSHIFT 16
@ -45,6 +45,17 @@ typedef struct CCallInfo {
#define CCI_CC_FASTCALL 0x2000 /* Fastcall calling convention. */ #define CCI_CC_FASTCALL 0x2000 /* Fastcall calling convention. */
#define CCI_CC_STDCALL 0x3000 /* Stdcall calling convention. */ #define CCI_CC_STDCALL 0x3000 /* Stdcall calling convention. */
/* Extra args for SOFTFP, SPLIT 64 bit. */
#define CCI_XARGS_SHIFT 14
#define CCI_XARGS(ci) (((ci)->flags >> CCI_XARGS_SHIFT) & 3)
#define CCI_XA (1u << CCI_XARGS_SHIFT)
#if LJ_SOFTFP || (LJ_32 && LJ_HASFFI)
#define CCI_XNARGS(ci) (CCI_NARGS((ci)) + CCI_XARGS((ci)))
#else
#define CCI_XNARGS(ci) CCI_NARGS((ci))
#endif
/* Helpers for conditional function definitions. */ /* Helpers for conditional function definitions. */
#define IRCALLCOND_ANY(x) x #define IRCALLCOND_ANY(x) x
@ -87,15 +98,19 @@ typedef struct CCallInfo {
#endif #endif
#if LJ_SOFTFP #if LJ_SOFTFP
#define ARG1_FP 2 /* Treat as 2 32 bit arguments. */ #define XA_FP CCI_XA
#define XA2_FP (CCI_XA+CCI_XA)
#else #else
#define ARG1_FP 1 #define XA_FP 0
#define XA2_FP 0
#endif #endif
#if LJ_32 #if LJ_32
#define ARG2_64 4 /* Treat as 4 32 bit arguments. */ #define XA_64 CCI_XA
#define XA2_64 (CCI_XA+CCI_XA)
#else #else
#define ARG2_64 2 #define XA_64 0
#define XA2_64 0
#endif #endif
/* Function definitions for CALL* instructions. */ /* Function definitions for CALL* instructions. */
@ -127,29 +142,29 @@ typedef struct CCallInfo {
_(ANY, lj_mem_newgco, 2, FS, P32, CCI_L) \ _(ANY, lj_mem_newgco, 2, FS, P32, CCI_L) \
_(ANY, lj_math_random_step, 1, FS, NUM, CCI_CASTU64|CCI_NOFPRCLOBBER) \ _(ANY, lj_math_random_step, 1, FS, NUM, CCI_CASTU64|CCI_NOFPRCLOBBER) \
_(ANY, lj_vm_modi, 2, FN, INT, 0) \ _(ANY, lj_vm_modi, 2, FN, INT, 0) \
_(ANY, sinh, ARG1_FP, N, NUM, 0) \ _(ANY, sinh, 1, N, NUM, XA_FP) \
_(ANY, cosh, ARG1_FP, N, NUM, 0) \ _(ANY, cosh, 1, N, NUM, XA_FP) \
_(ANY, tanh, ARG1_FP, N, NUM, 0) \ _(ANY, tanh, 1, N, NUM, XA_FP) \
_(ANY, fputc, 2, S, INT, 0) \ _(ANY, fputc, 2, S, INT, 0) \
_(ANY, fwrite, 4, S, INT, 0) \ _(ANY, fwrite, 4, S, INT, 0) \
_(ANY, fflush, 1, S, INT, 0) \ _(ANY, fflush, 1, S, INT, 0) \
/* ORDER FPM */ \ /* ORDER FPM */ \
_(FPMATH, lj_vm_floor, ARG1_FP, N, NUM, 0) \ _(FPMATH, lj_vm_floor, 1, N, NUM, XA_FP) \
_(FPMATH, lj_vm_ceil, ARG1_FP, N, NUM, 0) \ _(FPMATH, lj_vm_ceil, 1, N, NUM, XA_FP) \
_(FPMATH, lj_vm_trunc, ARG1_FP, N, NUM, 0) \ _(FPMATH, lj_vm_trunc, 1, N, NUM, XA_FP) \
_(FPMATH, sqrt, ARG1_FP, N, NUM, 0) \ _(FPMATH, sqrt, 1, N, NUM, XA_FP) \
_(FPMATH, exp, ARG1_FP, N, NUM, 0) \ _(FPMATH, exp, 1, N, NUM, XA_FP) \
_(FPMATH, lj_vm_exp2, ARG1_FP, N, NUM, 0) \ _(FPMATH, lj_vm_exp2, 1, N, NUM, XA_FP) \
_(FPMATH, log, ARG1_FP, N, NUM, 0) \ _(FPMATH, log, 1, N, NUM, XA_FP) \
_(FPMATH, lj_vm_log2, ARG1_FP, N, NUM, 0) \ _(FPMATH, lj_vm_log2, 1, N, NUM, XA_FP) \
_(FPMATH, log10, ARG1_FP, N, NUM, 0) \ _(FPMATH, log10, 1, N, NUM, XA_FP) \
_(FPMATH, sin, ARG1_FP, N, NUM, 0) \ _(FPMATH, sin, 1, N, NUM, XA_FP) \
_(FPMATH, cos, ARG1_FP, N, NUM, 0) \ _(FPMATH, cos, 1, N, NUM, XA_FP) \
_(FPMATH, tan, ARG1_FP, N, NUM, 0) \ _(FPMATH, tan, 1, N, NUM, XA_FP) \
_(FPMATH, lj_vm_powi, ARG1_FP+1, N, NUM, 0) \ _(FPMATH, lj_vm_powi, 2, N, NUM, XA_FP) \
_(FPMATH, pow, ARG1_FP*2, N, NUM, 0) \ _(FPMATH, pow, 2, N, NUM, XA2_FP) \
_(FPMATH, atan2, ARG1_FP*2, N, NUM, 0) \ _(FPMATH, atan2, 2, N, NUM, XA2_FP) \
_(FPMATH, ldexp, ARG1_FP+1, N, NUM, 0) \ _(FPMATH, ldexp, 2, N, NUM, XA_FP) \
_(SOFTFP, lj_vm_tobit, 2, N, INT, 0) \ _(SOFTFP, lj_vm_tobit, 2, N, INT, 0) \
_(SOFTFP, softfp_add, 4, N, NUM, 0) \ _(SOFTFP, softfp_add, 4, N, NUM, 0) \
_(SOFTFP, softfp_sub, 4, N, NUM, 0) \ _(SOFTFP, softfp_sub, 4, N, NUM, 0) \
@ -166,31 +181,31 @@ typedef struct CCallInfo {
_(SOFTFP_FFI, softfp_ui2f, 1, N, FLOAT, 0) \ _(SOFTFP_FFI, softfp_ui2f, 1, N, FLOAT, 0) \
_(SOFTFP_FFI, softfp_f2i, 1, N, INT, 0) \ _(SOFTFP_FFI, softfp_f2i, 1, N, INT, 0) \
_(SOFTFP_FFI, softfp_f2ui, 1, N, INT, 0) \ _(SOFTFP_FFI, softfp_f2ui, 1, N, INT, 0) \
_(FP64_FFI, fp64_l2d, 2, N, NUM, 0) \ _(FP64_FFI, fp64_l2d, 1, N, NUM, XA_64) \
_(FP64_FFI, fp64_ul2d, 2, N, NUM, 0) \ _(FP64_FFI, fp64_ul2d, 1, N, NUM, XA_64) \
_(FP64_FFI, fp64_l2f, 2, N, FLOAT, 0) \ _(FP64_FFI, fp64_l2f, 1, N, FLOAT, XA_64) \
_(FP64_FFI, fp64_ul2f, 2, N, FLOAT, 0) \ _(FP64_FFI, fp64_ul2f, 1, N, FLOAT, XA_64) \
_(FP64_FFI, fp64_d2l, ARG1_FP, N, I64, 0) \ _(FP64_FFI, fp64_d2l, 1, N, I64, XA_FP) \
_(FP64_FFI, fp64_d2ul, ARG1_FP, N, U64, 0) \ _(FP64_FFI, fp64_d2ul, 1, N, U64, XA_FP) \
_(FP64_FFI, fp64_f2l, 1, N, I64, 0) \ _(FP64_FFI, fp64_f2l, 1, N, I64, 0) \
_(FP64_FFI, fp64_f2ul, 1, N, U64, 0) \ _(FP64_FFI, fp64_f2ul, 1, N, U64, 0) \
_(FFI, lj_carith_divi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \ _(FFI, lj_carith_divi64, 2, N, I64, XA2_64|CCI_NOFPRCLOBBER) \
_(FFI, lj_carith_divu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \ _(FFI, lj_carith_divu64, 2, N, U64, XA2_64|CCI_NOFPRCLOBBER) \
_(FFI, lj_carith_modi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \ _(FFI, lj_carith_modi64, 2, N, I64, XA2_64|CCI_NOFPRCLOBBER) \
_(FFI, lj_carith_modu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \ _(FFI, lj_carith_modu64, 2, N, U64, XA2_64|CCI_NOFPRCLOBBER) \
_(FFI, lj_carith_powi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \ _(FFI, lj_carith_powi64, 2, N, I64, XA2_64|CCI_NOFPRCLOBBER) \
_(FFI, lj_carith_powu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \ _(FFI, lj_carith_powu64, 2, N, U64, XA2_64|CCI_NOFPRCLOBBER) \
_(FFI, lj_cdata_setfin, 2, FN, P32, CCI_L) \ _(FFI, lj_cdata_setfin, 2, FN, P32, CCI_L) \
_(FFI, strlen, 1, L, INTP, 0) \ _(FFI, strlen, 1, L, INTP, 0) \
_(FFI, memcpy, 3, S, PTR, 0) \ _(FFI, memcpy, 3, S, PTR, 0) \
_(FFI, memset, 3, S, PTR, 0) \ _(FFI, memset, 3, S, PTR, 0) \
_(FFI, lj_vm_errno, 0, S, INT, CCI_NOFPRCLOBBER) \ _(FFI, lj_vm_errno, 0, S, INT, CCI_NOFPRCLOBBER) \
_(FFI32, lj_carith_mul64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \ _(FFI32, lj_carith_mul64, 2, N, I64, XA2_64|CCI_NOFPRCLOBBER) \
_(FFI32, lj_carith_shl64, 3, N, U64, CCI_NOFPRCLOBBER) \ _(FFI32, lj_carith_shl64, 2, N, U64, XA_64|CCI_NOFPRCLOBBER) \
_(FFI32, lj_carith_shr64, 3, N, U64, CCI_NOFPRCLOBBER) \ _(FFI32, lj_carith_shr64, 2, N, U64, XA_64|CCI_NOFPRCLOBBER) \
_(FFI32, lj_carith_sar64, 3, N, U64, CCI_NOFPRCLOBBER) \ _(FFI32, lj_carith_sar64, 2, N, U64, XA_64|CCI_NOFPRCLOBBER) \
_(FFI32, lj_carith_rol64, 3, N, U64, CCI_NOFPRCLOBBER) \ _(FFI32, lj_carith_rol64, 2, N, U64, XA_64|CCI_NOFPRCLOBBER) \
_(FFI32, lj_carith_ror64, 3, N, U64, CCI_NOFPRCLOBBER) \ _(FFI32, lj_carith_ror64, 2, N, U64, XA_64|CCI_NOFPRCLOBBER) \
\ \
/* End of list. */ /* End of list. */