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[arm] Don't use STMIA + ADD to move a fp call result into memory; use two STRs. Also use Scratch + tmp reg for asm_mmq, instead of just tmp.

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This commit is contained in:
Vladimir Vukicevic 2008-09-05 17:18:33 -07:00
parent 7f39cd73d0
commit 5c53ce04cc
1 changed files with 7 additions and 7 deletions
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14
js/src/nanojit/NativeARM.cpp
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@ -202,9 +202,8 @@ Assembler::asm_call(LInsp ins)
FMDRR(rr,R0,R1);
} else {
NanoAssert(d);
//fprintf (stderr, "call ins d: %d\n", d);
STMIA(Scratch, 1<<R0 | 1<<R1);
arm_ADDi(Scratch, FP, d);
STR(R0, FP, d+0);
STR(R1, FP, d+4);
}
}
#endif
@ -635,13 +634,14 @@ Assembler::asm_mmq(Register rd, int dd, Register rs, int ds)
// value is either a 64bit struct or maybe a float
// that isn't live in an FPU reg. Either way, don't
// put it in an FPU reg just to load & store it.
// get a scratch reg
// use both IP and a second scratch reg
Register t = registerAlloc(GpRegs & ~(rmask(rd)|rmask(rs)));
_allocator.addFree(t);
// XXX use LDM,STM
STR(t, rd, dd+4);
LDR(t, rs, ds+4);
STR(Scratch, rd, dd+4);
STR(t, rd, dd);
LDR(Scratch, rs, ds+4);
LDR(t, rs, ds);
}