[PATCH 0/3] Resubmit of Sparc T3/T4 patches.

[Richard Henderson]

On 03/05/2013 11:43 AM, David Miller wrote:
> +PROLOGUE(mpn_mul_1)
> +	subcc	n, 1, n
> +	be	L(final_one)
> +	 clr	%o5
> +
> +L(top):
> +	ldx	[up+0], %g1
> +	ldx	[up+8], %o4
> +	mulx	%g1, v0, %g3
> +	add	up, 16, up
> +	umulxhi	%g1, v0, %g2
> +	sub	n, 2, n
> +	mulx	%o4, v0, %g1
> +	add	rp, 16, rp
> +	umulxhi	%o4, v0, %o4
> +	addcc	%o5, %g3, %g3
> +	stx	%g3, [rp-16]
> +	addxc	%g0, %g2, %o5
> +	addcc	%o5, %g1, %g1
> +	addxc	%g0, %o4, %o5

One extra add insn here (copy-paste from addmul)?

	addcc	%o5, %g3, %g3
	addxccc	%g2, %g1, %g1
	addxc	%g0, %o4, %o5


r~