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an explicit PUSH_FRAME instruction

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kr.angelov
2014-10-22 14:11:41 +00:00
parent 54b9b89921
commit 0da379f97b
5 changed files with 88 additions and 86 deletions
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34
src/runtime/c/pgf/jit.c
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@@ -937,6 +937,15 @@ pgf_jit_function(PgfReader* rdr, PgfAbstr* abstr,
curr_offset++;
break;
}
case PGF_INSTR_PUSH_FRAME: {
#ifdef PGF_JIT_DEBUG
gu_printf(out, err, "PUSH_FRAME\n");
#endif
jit_pushr_p(JIT_VCLOS);
jit_pushr_p(JIT_FP);
jit_movr_p(JIT_FP, JIT_SP);
break;
}
case PGF_INSTR_PUSH: {
switch (mod) {
case 0: {
@@ -990,7 +999,6 @@ pgf_jit_function(PgfReader* rdr, PgfAbstr* abstr,
}
case PGF_INSTR_EVAL+0:
case PGF_INSTR_EVAL+2:
jit_movr_p(JIT_R2, JIT_VCLOS);
case PGF_INSTR_EVAL+1: {
switch (mod) {
case 0: {
@@ -1039,9 +1047,6 @@ pgf_jit_function(PgfReader* rdr, PgfAbstr* abstr,
#ifdef PGF_JIT_DEBUG
gu_printf(out, err, "\n");
#endif
jit_pushr_p(JIT_R2);
jit_pushr_p(JIT_FP);
jit_movr_p(JIT_FP, JIT_SP);
jit_callr(JIT_R0);
jit_popr_p(JIT_FP);
jit_popr_p(JIT_VCLOS);
@@ -1072,28 +1077,15 @@ pgf_jit_function(PgfReader* rdr, PgfAbstr* abstr,
gu_printf(out, err, " update(%d,%d)\n", b, c);
#endif
if (b >= 3) {
jit_stxi_p(sizeof(PgfClosure*)*(c-3), JIT_SP, JIT_FP);
jit_stxi_p(sizeof(PgfClosure*)*(c-2), JIT_SP, JIT_R2);
if (b > 1) {
for (size_t i = 0; i < c-b; i++) {
jit_ldxi_p(JIT_R1, JIT_SP, sizeof(PgfClosure*)*((c-b-1)-i));
jit_stxi_p(sizeof(PgfClosure*)*((c-4)-i), JIT_SP, JIT_R1);
jit_ldxi_p(JIT_R1, JIT_SP, sizeof(PgfClosure*)*(c-b-1-i));
jit_stxi_p(sizeof(PgfClosure*)*(c-2-i), JIT_SP, JIT_R1);
}
jit_addi_p(JIT_SP, JIT_SP, (b-3)*sizeof(PgfClosure*));
} else {
jit_subi_p(JIT_SP, JIT_SP, (3-b)*sizeof(PgfClosure*));
for (size_t i = 0; i < c-b; i++) {
jit_ldxi_p(JIT_R1, JIT_SP, sizeof(PgfClosure*)*(i+(3-b)));
jit_stxi_p(sizeof(PgfClosure*)*i, JIT_SP, JIT_R1);
}
jit_stxi_p(sizeof(PgfClosure*)*(c-b), JIT_SP, JIT_FP);
jit_stxi_p(sizeof(PgfClosure*)*(c-b+1), JIT_SP, JIT_R2);
jit_addi_p(JIT_SP, JIT_SP, (b-1)*sizeof(PgfClosure*));
}
jit_addi_p(JIT_FP, JIT_SP, sizeof(PgfClosure*)*(c-b));
jit_movi_p(JIT_R1, abstr->eval_gates->update_closure);
jit_pushr_p(JIT_R1);
jit_jmpr(JIT_R0);
break;
}