#include "vm/exceptions.h"
#include "vm/global.h"
+#include "vm/jit/abi.h"
#include "vm/jit/asmpart.h"
#include "vm/jit/codegen-common.h"
#include "vm/jit/dseg.h"
#include "vmcore/loader.h"
#include "vmcore/options.h"
+
+#define BUILTIN_FLOAT_ARGS 1
+
/* XXX use something like this for window control ?
* #define REG_PV (own_window?REG_PV_CALLEE:REG_PV_CALLER)
*/
/* XXX could use the param slots on the stack for this! */
for (p = 0; p < INT_ARG_CNT; p++)
- M_STX(REG_WINDOW_TRANSPOSE(rd->argintregs[p]), REG_SP, JITSTACK + (p * 8));
+ M_STX(REG_WINDOW_TRANSPOSE(abi_registers_integer_argument[p]), REG_SP, JITSTACK + (p * 8));
}
continue;
var = VAR(varindex);
-
- s1 = md->params[p].regoff;
- if (IS_INT_LNG_TYPE(t)) { /* integer args */
+ s1 = md->params[p].regoff;
+
+ if (IS_INT_LNG_TYPE(t)) { /* integer args */
+
if (!md->params[p].inmemory) { /* register arguments */
/*s2 = rd->argintregs[s1];*/
/*s2 = REG_WINDOW_TRANSPOSE(s2);*/
+
+ /* need the argument index (p) here, not the register number */
+
if (!(var->flags & INMEMORY)) { /* reg arg -> register */
- /*M_INTMOVE(s2, var->vv.regoff);*/
- M_LDX(var->vv.regoff, REG_SP, JITSTACK + (s1 * 8));
+ /*M_INTMOVE(s2, var->vv.regoff);*/
+ M_LDX(var->vv.regoff, REG_SP, JITSTACK + (p * 8));
} else { /* reg arg -> spilled */
/*M_STX(s2, REG_SP, (WINSAVE_CNT + var->vv.regoff) * 8);*/
- M_LDX(REG_ITMP1, REG_SP, JITSTACK + (s1 * 8));
+ M_LDX(REG_ITMP1, REG_SP, JITSTACK + (p * 8));
M_STX(REG_ITMP1, REG_SP, localbase + (var->vv.regoff * 8));
}
} else { /* floating args */
if (!md->params[p].inmemory) { /* register arguments */
- s2 = rd->argfltregs[s1];
if (!(var->flags & INMEMORY)) { /* reg arg -> register */
- M_FLTMOVE(s2, var->vv.regoff);
+ M_FLTMOVE(s1, var->vv.regoff);
} else { /* reg arg -> spilled */
- M_DST(s2, REG_SP, localbase + (var->vv.regoff) * 8);
+ M_DST(s1, REG_SP, localbase + (var->vv.regoff) * 8);
}
} else { /* stack arguments */
/* load/store/copy/move operations ************************************/
case ICMD_ILOAD: /* ... ==> ..., content of local variable */
- case ICMD_LLOAD: /* ... ==> ..., content of local variable */
- case ICMD_ALOAD: /* ... ==> ..., content of local variable */
- case ICMD_FLOAD: /* ... ==> ..., content of local variable */
- case ICMD_DLOAD: /* ... ==> ..., content of local variable */
+ case ICMD_LLOAD:
+ case ICMD_ALOAD:
+ case ICMD_FLOAD:
+ case ICMD_DLOAD:
case ICMD_ISTORE: /* ..., value ==> ... */
- case ICMD_LSTORE: /* ..., value ==> ... */
- case ICMD_FSTORE: /* ..., value ==> ... */
- case ICMD_DSTORE: /* ..., value ==> ... */
+ case ICMD_LSTORE:
+ case ICMD_FSTORE:
+ case ICMD_DSTORE:
case ICMD_COPY:
case ICMD_MOVE:
- emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
+ emit_copy(jd, iptr);
break;
case ICMD_ASTORE:
if (!(iptr->flags.bits & INS_FLAG_RETADDR))
- emit_copy(jd, iptr, VAROP(iptr->s1), VAROP(iptr->dst));
+ emit_copy(jd, iptr);
break;
case ICMD_I2F:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- disp = dseg_add_float(cd, 0.0);
+ disp = dseg_add_unique_float(cd, 0.0);
M_IST (s1, REG_PV_CALLEE, disp);
M_FLD (d, REG_PV_CALLEE, disp);
M_CVTIF (d, d); /* rd gets translated to double target register */
case ICMD_I2D:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- disp = dseg_add_float(cd, 0.0);
+ disp = dseg_add_unique_float(cd, 0.0);
M_IST(s1, REG_PV_CALLEE, disp);
M_FLD(REG_FTMP2, REG_PV_CALLEE, disp); /* REG_FTMP2 needs to be a double temp */
M_CVTID (REG_FTMP2, d); /* rd gets translated to double target register */
case ICMD_L2F:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- disp = dseg_add_double(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0);
M_STX(s1, REG_PV_CALLEE, disp);
M_DLD(REG_FTMP3, REG_PV_CALLEE, disp);
M_CVTLF(REG_FTMP3, d);
case ICMD_L2D:
s1 = emit_load_s1(jd, iptr, REG_ITMP1);
d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
- disp = dseg_add_double(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0);
M_STX(s1, REG_PV_CALLEE, disp);
M_DLD(d, REG_PV_CALLEE, disp);
M_CVTLD(d, d);
case ICMD_F2I: /* ..., value ==> ..., (int) value */
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- disp = dseg_add_float(cd, 0.0);
+ disp = dseg_add_unique_float(cd, 0.0);
+
+ /* check for NaN, SPARC overflow is noncompliant (see V9 spec B.5) */
+ M_FCMP(s1, s1);
+ M_FBU(5);
+ M_MOV(REG_ZERO, d); /* delay slot */
+
M_CVTFI(s1, REG_FTMP2);
M_FST(REG_FTMP2, REG_PV_CALLEE, disp);
M_ILD(d, REG_PV, disp);
case ICMD_D2I: /* ..., value ==> ..., (int) value */
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- disp = dseg_add_float(cd, 0.0);
+ disp = dseg_add_unique_float(cd, 0.0);
+
+ /* check for NaN, SPARC overflow is noncompliant (see V9 spec B.5) */
+ M_DCMP(s1, s1);
+ M_FBU(5);
+ M_MOV(REG_ZERO, d); /* delay slot */
+
M_CVTDI(s1, REG_FTMP2);
M_FST(REG_FTMP2, REG_PV, disp);
M_ILD(d, REG_PV, disp);
case ICMD_F2L: /* ..., value ==> ..., (long) value */
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- disp = dseg_add_double(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0);
+
+ /* check for NaN, SPARC overflow is noncompliant (see V9 spec B.5) */
+ M_FCMP(s1, s1);
+ M_FBU(5);
+ M_MOV(REG_ZERO, d); /* delay slot */
+
M_CVTFL(s1, REG_FTMP2); /* FTMP2 needs to be double reg */
M_DST(REG_FTMP2, REG_PV, disp);
M_LDX(d, REG_PV, disp);
case ICMD_D2L: /* ..., value ==> ..., (long) value */
s1 = emit_load_s1(jd, iptr, REG_FTMP1);
d = codegen_reg_of_dst(jd, iptr, REG_ITMP3);
- disp = dseg_add_double(cd, 0.0);
+ disp = dseg_add_unique_double(cd, 0.0);
+
+ /* check for NaN, SPARC overflow is noncompliant (see V9 spec B.5) */
+ M_DCMP(s1, s1);
+ M_FBU(5);
+ M_MOV(REG_ZERO, d); /* delay slot */
+
M_CVTDL(s1, REG_FTMP2); /* FTMP2 needs to be double reg */
M_DST(REG_FTMP2, REG_PV, disp);
M_LDX(d, REG_PV, disp);
emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
s3 = emit_load_s3(jd, iptr, REG_ITMP3);
- M_MOV(s1, rd->argintregs[0]);
- M_MOV(s3, rd->argintregs[1]);
+ M_MOV(s1, REG_OUT0);
+ M_MOV(s3, REG_OUT1);
disp = dseg_add_functionptr(cd, BUILTIN_canstore);
M_ALD(REG_ITMP3, REG_PV, disp);
M_JMP(REG_RA_CALLER, REG_ITMP3, REG_ZERO);
MCODECHECK((s3 << 1) + 64);
+#ifdef BUILTIN_FLOAT_ARGS /* float args for builtins disabled */
+
/* copy float arguments according to ABI convention */
int num_fltregargs = 0;
for (s3 = s3 - 1; s3 >= 0; s3--) {
var = VAR(iptr->sx.s23.s2.args[s3]);
- if (var->flags & PREALLOC)
- continue;
-
if (IS_FLT_DBL_TYPE(var->type)) {
if (!md->params[s3].inmemory) {
- s1 = md->params[s3].regoff; /*native flt args use regoff directly*/
+ s1 = s3; /*native flt args use argument index directly*/
d = emit_load(jd, iptr, var, REG_FTMP1);
M_DMOV(d, s1 + 16);
/*printf("builtin float arg to target reg: %d ==> %d\n", s1+16, s1);*/
}
+#else
+ assert(md->argfltreguse == 0);
+#endif
+
goto gen_method;
case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ... */
for (s3 = s3 - 1; s3 >= 0; s3--) {
var = VAR(iptr->sx.s23.s2.args[s3]);
+ d = md->params[s3].regoff;
if (var->flags & PREALLOC)
continue;
if (IS_INT_LNG_TYPE(var->type)) {
if (!md->params[s3].inmemory) {
- s1 = rd->argintregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var, s1);
- M_INTMOVE(d, s1);
+ s1 = emit_load(jd, iptr, var, d);
+ M_INTMOVE(s1, d);
}
else {
- d = emit_load(jd, iptr, var, REG_ITMP1);
- M_STX(d, REG_SP, JITSTACK + md->params[s3].regoff * 8);
+ s1 = emit_load(jd, iptr, var, REG_ITMP1);
+ M_STX(s1, REG_SP, JITSTACK + d * 8);
}
}
else {
+#ifdef BUILTIN_FLOAT_ARGS
if (iptr->opc == ICMD_BUILTIN)
continue;
+#endif
if (!md->params[s3].inmemory) {
- s1 = rd->argfltregs[md->params[s3].regoff];
- d = emit_load(jd, iptr, var, s1);
+ s1 = emit_load(jd, iptr, var, d);
if (IS_2_WORD_TYPE(var->type))
- M_DMOV(d, s1);
+ M_DMOV(s1, d);
else
- M_FMOV(d, s1);
+ M_FMOV(s1, d);
}
else {
- d = emit_load(jd, iptr, var, REG_FTMP1);
+ s1 = emit_load(jd, iptr, var, REG_FTMP1);
if (IS_2_WORD_TYPE(var->type))
- M_DST(d, REG_SP, JITSTACK + md->params[s3].regoff * 8);
+ M_DST(s1, REG_SP, JITSTACK + d * 8);
else
- M_FST(d, REG_SP, JITSTACK + md->params[s3].regoff * 8);
+ M_FST(s1, REG_SP, JITSTACK + d * 8);
}
}
}
else {
/* array type cast-check */
- s1 = emit_load_s1(jd, iptr, rd->argintregs[0]);
- M_INTMOVE(s1, rd->argintregs[0]);
+ s1 = emit_load_s1(jd, iptr, REG_OUT0);
+ M_INTMOVE(s1, REG_OUT0);
disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
else
disp = dseg_add_address(cd, iptr->sx.s23.s3.c.cls);
- M_ALD(rd->argintregs[1], REG_PV, disp);
+ M_ALD(REG_OUT1, REG_PV, disp);
disp = dseg_add_functionptr(cd, BUILTIN_arraycheckcast);
M_ALD(REG_ITMP3, REG_PV, disp);
/* XXX jit-c-call */
}
-/* createcompilerstub **********************************************************
+/* codegen_emit_stub_compiler **************************************************
- Creates a stub routine which calls the compiler.
+ Emits a stub routine which calls the compiler.
*******************************************************************************/
-#define COMPILERSTUB_DATASIZE 3 * SIZEOF_VOID_P
-#define COMPILERSTUB_CODESIZE 4 * 4
-
-#define COMPILERSTUB_SIZE COMPILERSTUB_DATASIZE + COMPILERSTUB_CODESIZE
-
-
-u1 *createcompilerstub(methodinfo *m)
+void codegen_emit_stub_compiler(jitdata *jd)
{
- u1 *s; /* memory to hold the stub */
- ptrint *d;
- codeinfo *code;
+ methodinfo *m;
codegendata *cd;
- s4 dumpsize;
-
- s = CNEW(u1, COMPILERSTUB_SIZE);
-
- /* set data pointer and code pointer */
-
- d = (ptrint *) s;
- s = s + COMPILERSTUB_DATASIZE;
- /* mark start of dump memory area */
-
- dumpsize = dump_size();
-
- cd = DNEW(codegendata);
- cd->mcodeptr = s;
-
- /* Store the codeinfo pointer in the same place as in the
- methodheader for compiled methods. */
-
- code = code_codeinfo_new(m);
+ /* get required compiler data */
- d[0] = (ptrint) asm_call_jit_compiler;
- d[1] = (ptrint) m;
- d[2] = (ptrint) code;
+ m = jd->m;
+ cd = jd->cd;
/* code for the stub */
+
/* no window save yet, user caller's PV */
M_ALD_INTERN(REG_ITMP1, REG_PV_CALLER, -2 * SIZEOF_VOID_P); /* codeinfo pointer */
M_ALD_INTERN(REG_PV_CALLER, REG_PV_CALLER, -3 * SIZEOF_VOID_P); /* pointer to compiler */
M_JMP(REG_ZERO, REG_PV_CALLER, REG_ZERO); /* jump to the compiler, RA is wasted */
M_NOP;
-
-#if defined(ENABLE_STATISTICS)
- if (opt_stat)
- count_cstub_len += COMPILERSTUB_SIZE;
-#endif
-
- /* release dump area */
-
- dump_release(dumpsize);
-
- return s;
}
+/* codegen_emit_stub_native ****************************************************
-/* createnativestub ************************************************************
-
- Creates a stub routine which calls a native method.
+ Emits a stub routine which calls a native method.
*******************************************************************************/
-u1 *createnativestub(functionptr f, jitdata *jd, methoddesc *nmd)
+void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
{
methodinfo *m;
codeinfo *code;
codegendata *cd;
- registerdata *rd;
methoddesc *md;
s4 nativeparams;
s4 i, j; /* count variables */
m = jd->m;
code = jd->code;
cd = jd->cd;
- rd = jd->rd;
/* initialize variables */
for (i = 0, j = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
- M_DST(rd->argfltregs[i], REG_SP, CSTACK + (j * 8));
+ M_DST(abi_registers_float_argument[i], REG_SP, CSTACK + (j * 8));
j++;
}
}
for (i = 0, j = 0; i < md->paramcount && i < FLT_ARG_CNT; i++) {
if (IS_FLT_DBL_TYPE(md->paramtypes[i].type)) {
- M_DLD(rd->argfltregs[i], REG_SP, CSTACK + (j * 8));
+ M_DLD(abi_registers_float_argument[i], REG_SP, CSTACK + (j * 8));
j++;
}
}
if (IS_INT_LNG_TYPE(t)) {
if (!md->params[i].inmemory) {
- s1 = rd->argintregs[md->params[i].regoff];
+ s1 = md->params[i].regoff;
/* s1 refers to the old window, transpose */
s1 = REG_WINDOW_TRANSPOSE(s1);
}
} else {
+ /*assert(false);*/
s1 = md->params[i].regoff + cd->stackframesize;
s2 = nmd->params[j].regoff - 6;
M_ALD(REG_ITMP1, REG_SP, CSTACK + s1 * 8);
} else {
if (!md->params[i].inmemory) {
- s1 = rd->argfltregs[md->params[i].regoff];
+ s1 = md->params[i].regoff;
if (!nmd->params[j].inmemory) {
/* no mapping to regs needed, native flt args use regoff */
}
} else {
+ /*assert(false);*/
s1 = md->params[i].regoff + cd->stackframesize;
s2 = nmd->params[j].regoff - 6;
if (IS_2_WORD_TYPE(t)) {
M_JMP(REG_ZERO, REG_ITMP1, REG_ZERO);/* jump to asm exception handler */
M_RESTORE(REG_ZERO, 0, REG_ZERO); /* restore callers window (DELAY) */
-
/* generate patcher stubs */
emit_patcher_stubs(jd);
-
- codegen_finish(jd);
-
- return code->entrypoint;
}
/*
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