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Reorganize generic operations common to all assembler backends.

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This commit is contained in:
Mike Pall
2013-04-22 17:34:36 +02:00
parent 5f1781a127
commit 988e183965
5 changed files with 219 additions and 461 deletions
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97
src/lj_asm_mips.h
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@@ -326,15 +326,6 @@ static void asm_setupresult(ASMState *as, IRIns *ir, const CCallInfo *ci)
}
}
static void asm_call(ASMState *as, IRIns *ir)
{
IRRef args[CCI_NARGS_MAX];
const CCallInfo *ci = &lj_ir_callinfo[ir->op2];
asm_collectargs(as, ir, ci, args);
asm_setupresult(as, ir, ci);
asm_gencall(as, ci, args);
}
static void asm_callx(ASMState *as, IRIns *ir)
{
IRRef args[CCI_NARGS_MAX];
@@ -362,16 +353,6 @@ static void asm_callx(ASMState *as, IRIns *ir)
asm_gencall(as, &ci, args);
}
static void asm_callid(ASMState *as, IRIns *ir, IRCallID id)
{
const CCallInfo *ci = &lj_ir_callinfo[id];
IRRef args[2];
args[0] = ir->op1;
args[1] = ir->op2;
asm_setupresult(as, ir, ci);
asm_gencall(as, ci, args);
}
static void asm_callround(ASMState *as, IRIns *ir, IRCallID id)
{
/* The modified regs must match with the *.dasc implementation. */
@@ -519,28 +500,6 @@ static void asm_conv(ASMState *as, IRIns *ir)
}
}
#if LJ_HASFFI
static void asm_conv64(ASMState *as, IRIns *ir)
{
IRType st = (IRType)((ir-1)->op2 & IRCONV_SRCMASK);
IRType dt = (((ir-1)->op2 & IRCONV_DSTMASK) >> IRCONV_DSH);
IRCallID id;
const CCallInfo *ci;
IRRef args[2];
args[LJ_BE?0:1] = ir->op1;
args[LJ_BE?1:0] = (ir-1)->op1;
if (st == IRT_NUM || st == IRT_FLOAT) {
id = IRCALL_fp64_d2l + ((st == IRT_FLOAT) ? 2 : 0) + (dt - IRT_I64);
ir--;
} else {
id = IRCALL_fp64_l2d + ((dt == IRT_FLOAT) ? 2 : 0) + (st - IRT_I64);
}
ci = &lj_ir_callinfo[id];
asm_setupresult(as, ir, ci);
asm_gencall(as, ci, args);
}
#endif
static void asm_strto(ASMState *as, IRIns *ir)
{
const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_strscan_num];
@@ -557,6 +516,8 @@ static void asm_strto(ASMState *as, IRIns *ir)
RID_SP, sps_scale(ir->s));
}
/* -- Memory references --------------------------------------------------- */
/* Get pointer to TValue. */
static void asm_tvptr(ASMState *as, Reg dest, IRRef ref)
{
@@ -580,27 +541,6 @@ static void asm_tvptr(ASMState *as, Reg dest, IRRef ref)
}
}
static void asm_tostr(ASMState *as, IRIns *ir)
{
IRRef args[2];
args[0] = ASMREF_L;
as->gcsteps++;
if (irt_isnum(IR(ir->op1)->t) || (ir+1)->o == IR_HIOP) {
const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_fromnum];
args[1] = ASMREF_TMP1; /* const lua_Number * */
asm_setupresult(as, ir, ci); /* GCstr * */
asm_gencall(as, ci, args);
asm_tvptr(as, ra_releasetmp(as, ASMREF_TMP1), ir->op1);
} else {
const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_str_fromint];
args[1] = ir->op1; /* int32_t k */
asm_setupresult(as, ir, ci); /* GCstr * */
asm_gencall(as, ci, args);
}
}
/* -- Memory references --------------------------------------------------- */
static void asm_aref(ASMState *as, IRIns *ir)
{
Reg dest = ra_dest(as, ir, RSET_GPR);
@@ -776,20 +716,6 @@ nolo:
emit_tsi(as, MIPSI_ADDU, dest, node, ra_allock(as, ofs, allow));
}
static void asm_newref(ASMState *as, IRIns *ir)
{
if (ir->r != RID_SINK) {
const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_tab_newkey];
IRRef args[3];
args[0] = ASMREF_L; /* lua_State *L */
args[1] = ir->op1; /* GCtab *t */
args[2] = ASMREF_TMP1; /* cTValue *key */
asm_setupresult(as, ir, ci); /* TValue * */
asm_gencall(as, ci, args);
asm_tvptr(as, ra_releasetmp(as, ASMREF_TMP1), ir->op2);
}
}
static void asm_uref(ASMState *as, IRIns *ir)
{
/* NYI: Check that UREFO is still open and not aliasing a slot. */
@@ -1152,25 +1078,6 @@ static void asm_fpunary(ASMState *as, IRIns *ir, MIPSIns mi)
emit_fg(as, mi, dest, left);
}
static int asm_fpjoin_pow(ASMState *as, IRIns *ir)
{
IRIns *irp = IR(ir->op1);
if (irp == ir-1 && irp->o == IR_MUL && !ra_used(irp)) {
IRIns *irpp = IR(irp->op1);
if (irpp == ir-2 && irpp->o == IR_FPMATH &&
irpp->op2 == IRFPM_LOG2 && !ra_used(irpp)) {
const CCallInfo *ci = &lj_ir_callinfo[IRCALL_pow];
IRRef args[2];
args[0] = irpp->op1;
args[1] = irp->op2;
asm_setupresult(as, ir, ci);
asm_gencall(as, ci, args);
return 1;
}
}
return 0;
}
static void asm_add(ASMState *as, IRIns *ir)
{
if (irt_isnum(ir->t)) {