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tcg-arm: Use strd for tcg_out_arg_reg64

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Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2013-08-28 11:16:16 -07:00
parent d9f4dde4a6
commit e5e2e4a74b
1 changed files with 10 additions and 3 deletions
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13
tcg/arm/tcg-target.c
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@ -1149,9 +1149,16 @@ static TCGReg tcg_out_arg_reg64(TCGContext *s, TCGReg argreg,
if (argreg & 1) {
argreg++;
}
argreg = tcg_out_arg_reg32(s, argreg, arglo);
argreg = tcg_out_arg_reg32(s, argreg, arghi);
return argreg;
if (use_armv6_instructions && argreg >= 4
&& (arglo & 1) == 0 && arghi == arglo + 1) {
tcg_out_strd_8(s, COND_AL, arglo,
TCG_REG_CALL_STACK, (argreg - 4) * 4);
return argreg + 2;
} else {
argreg = tcg_out_arg_reg32(s, argreg, arglo);
argreg = tcg_out_arg_reg32(s, argreg, arghi);
return argreg;
}
}
#define TLB_SHIFT (CPU_TLB_ENTRY_BITS + CPU_TLB_BITS)