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platform_system_core
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Merge change 1821 

* changes:
  ACC ARM codegen: implement /, %
This commit is contained in:
Android (Google) Code Review 2009-05-15 15:19:52 -07:00
parent 986145c523 3d474a74a7
commit 8537cc56bb
1 changed files with 23 additions and 1 deletions
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24
libacc/acc.cpp
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@ -359,6 +359,12 @@ class compiler {
case OP_MUL:
o4(0x0E0000091); // mul r0,r1,r0
break;
case OP_DIV:
callRuntime(runtime_DIV);
break;
case OP_MOD:
callRuntime(runtime_MOD);
break;
case OP_PLUS:
o4(0xE0810000); // add r0,r1,r0
break;
@ -670,6 +676,22 @@ class compiler {
return BRANCH_REL_ADDRESS_MASK & (value >> 2);
}
typedef int (*int2FnPtr)(int a, int b);
void callRuntime(int2FnPtr fn) {
o4(0xE59F2000); // ldr r2, .L1
o4(0xEA000000); // b .L99
o4((int) fn); //.L1: .word fn
o4(0xE12FFF32); //.L99: blx r2
}
static int runtime_DIV(int a, int b) {
return b / a;
}
static int runtime_MOD(int a, int b) {
return b % a;
}
void error(const char* fmt,...) {
va_list ap;
va_start(ap, fmt);
@ -1189,7 +1211,7 @@ class compiler {
} else {
pGen->callRelative(n - codeBuf.getPC() - pGen->jumpOffset());
}
if (l || n == 1)
if (l | (n == 1))
pGen->adjustStackAfterCall(l, n == 1);
}
}