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various bugfixes involving longs

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This commit is contained in:
Joel Dice 2007-10-08 17:13:55 -06:00
parent abc46c3d30
commit 7e0731ebdd
2 changed files with 16 additions and 5 deletions
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2
makefile
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@ -1,4 +1,4 @@
#MAKEFLAGS = -s MAKEFLAGS = -s
arch = $(shell uname -m) arch = $(shell uname -m)
ifeq ($(arch),i586) ifeq ($(arch),i586)

19
src/compile.cpp
View File

@ -1010,6 +1010,11 @@ class Assembler {
code.append(0x99); code.append(0x99);
} }
void cqo() {
rex();
cdq();
}
void imul4(Register src, unsigned srcOffset, Register dst) { void imul4(Register src, unsigned srcOffset, Register dst) {
code.append(0x0f); code.append(0x0f);
offsetInstruction(0xaf, 0, 0x40, 0x80, dst, src, srcOffset); offsetInstruction(0xaf, 0, 0x40, 0x80, dst, src, srcOffset);
@ -1048,6 +1053,10 @@ class Assembler {
code.append(0xd8 | reg); code.append(0xd8 | reg);
} }
void int3() {
code.append(0xcc);
}
Buffer code; Buffer code;
Buffer jumps; Buffer jumps;
}; };
@ -2099,10 +2108,10 @@ class Compiler: public Assembler {
Label greater(this); Label greater(this);
if (BytesPerWord == 8) { if (BytesPerWord == 8) {
popLong(rdx);
popLong(rax); popLong(rax);
popLong(rcx);
cmp(rax, rdx); cmp(rax, rcx);
jl(less); jl(less);
jg(greater); jg(greater);
@ -2118,8 +2127,8 @@ class Compiler: public Assembler {
next.mark(); next.mark();
} else { } else {
popLong(rcx, rbx);
popLong(rax, rdx); popLong(rax, rdx);
popLong(rcx, rbx);
cmp(rdx, rbx); cmp(rdx, rbx);
jl(less); jl(less);
@ -2145,8 +2154,9 @@ class Compiler: public Assembler {
case ldiv_: case ldiv_:
if (BytesPerWord == 8) { if (BytesPerWord == 8) {
popLong(rax);
popLong(rcx); popLong(rcx);
popLong(rax);
cqo();
Assembler::idiv(rcx); Assembler::idiv(rcx);
pushLong(rax); pushLong(rax);
} else { } else {
@ -2218,6 +2228,7 @@ class Compiler: public Assembler {
if (BytesPerWord == 8) { if (BytesPerWord == 8) {
popLong(rax); popLong(rax);
popLong(rcx); popLong(rcx);
cqo();
Assembler::idiv(rcx); Assembler::idiv(rcx);
pushLong(rdx); pushLong(rdx);
} else { } else {