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[dotgnu-pnet-commits] libjit ./ChangeLog jit/jit-rules-x86.sel
From: |
Aleksey Demakov |
Subject: |
[dotgnu-pnet-commits] libjit ./ChangeLog jit/jit-rules-x86.sel |
Date: |
Wed, 28 Dec 2005 14:11:39 +0000 |
CVSROOT: /sources/dotgnu-pnet
Module name: libjit
Branch:
Changes by: Aleksey Demakov <address@hidden> 05/12/28 14:11:39
Modified files:
. : ChangeLog
jit : jit-rules-x86.sel
Log message:
implement JIT_OP_MEMMOVE
CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/dotgnu-pnet/libjit/ChangeLog.diff?tr1=1.185&tr2=1.186&r1=text&r2=text
http://cvs.savannah.gnu.org/viewcvs/dotgnu-pnet/libjit/jit/jit-rules-x86.sel.diff?tr1=1.36&tr2=1.37&r1=text&r2=text
Patches:
Index: libjit/ChangeLog
diff -u libjit/ChangeLog:1.185 libjit/ChangeLog:1.186
--- libjit/ChangeLog:1.185 Sat Dec 24 06:55:13 2005
+++ libjit/ChangeLog Wed Dec 28 14:11:38 2005
@@ -1,3 +1,8 @@
+2005-12-28 Aleksey Demakov <address@hidden>
+
+ * jit/jit-rules-x86.sel: implement JIT_OP_MEMMOVE rule. Get rid of
+ compiler warnings in JIT_OP_MEMSET.
+
2005-12-24 Avinash Atreya <address@hidden>
* dpas/dpas-parser.y: implement array expressions (committed by Aleksey
Index: libjit/jit/jit-rules-x86.sel
diff -u libjit/jit/jit-rules-x86.sel:1.36 libjit/jit/jit-rules-x86.sel:1.37
--- libjit/jit/jit-rules-x86.sel:1.36 Thu Dec 22 08:24:28 2005
+++ libjit/jit/jit-rules-x86.sel Wed Dec 28 14:11:38 2005
@@ -3146,8 +3146,37 @@
JIT_OP_MEMMOVE: manual
[] -> {
- /* TODO */
- TODO();
+ unsigned char *inst;
+ int reg, reg2, reg3;
+
+ reg = _jit_regs_load_value
+ (gen, insn->dest, 0,
+ (insn->flags & (JIT_INSN_DEST_NEXT_USE |
JIT_INSN_DEST_LIVE)));
+ reg2 = _jit_regs_load_value
+ (gen, insn->value1, 0,
+ (insn->flags & (JIT_INSN_VALUE1_NEXT_USE |
JIT_INSN_VALUE1_LIVE)));
+ reg3 = _jit_regs_load_value
+ (gen, insn->value2, 0,
+ (insn->flags & (JIT_INSN_VALUE2_NEXT_USE |
JIT_INSN_VALUE2_LIVE)));
+
+ /* A function call may destroy EAX,EBX,ECX,EDX registers. */
+ /* TODO: do not spill ESI and EDI. */
+ _jit_regs_spill_all(gen);
+
+ inst = gen->posn.ptr;
+ if(!jit_cache_check_for_n(&(gen->posn), 32))
+ {
+ jit_cache_mark_full(&(gen->posn));
+ return;
+ }
+
+ x86_push_reg(inst, _jit_reg_info[reg3].cpu_reg);
+ x86_push_reg(inst, _jit_reg_info[reg2].cpu_reg);
+ x86_push_reg(inst, _jit_reg_info[reg].cpu_reg);
+ x86_call_code(inst, jit_memmove);
+ x86_alu_reg_imm(inst, X86_ADD, X86_ESP, 3 * sizeof(void *));
+
+ gen->posn.ptr = inst;
}
JIT_OP_MEMSET: manual
@@ -3162,12 +3191,14 @@
}
else if(insn->value2->is_constant && insn->value2->address <=
32)
{
- save_reg3 = 0;
-
reg = _jit_regs_load_value
(gen, insn->dest, 0,
(insn->flags & (JIT_INSN_DEST_NEXT_USE |
JIT_INSN_DEST_LIVE)));
+ reg2 = -1;
+ reg3 = -1;
+ save_reg3 = 0;
+
if(insn->value1->is_constant)
{
inst = gen->posn.ptr;
@@ -3309,6 +3340,9 @@
reg3 = _jit_regs_load_value
(gen, insn->value2, 0,
(insn->flags & (JIT_INSN_VALUE2_NEXT_USE |
JIT_INSN_VALUE2_LIVE)));
+
+ /* A function call may destroy EAX,EBX,ECX,EDX
registers. */
+ /* TODO: do not spill ESI and EDI. */
_jit_regs_spill_all(gen);
inst = gen->posn.ptr;