new gcc:

30788e98:	ebfff984 	bl	307874b0 <get_non_intra_block>
30788e9c:	e1a03000 	mov	r3, r0
30788ea0:	e58d301c 	str	r3, [sp, #28]
30788ea4:	e59d3014 	ldr	r3, [sp, #20]
30788ea8:	e59330d0 	ldr	r3, [r3, #208]	; 0xd0
30788eac:	e59d2008 	ldr	r2, [sp, #8]
30788eb0:	e58d2000 	str	r2, [sp]
30788eb4:	e59d001c 	ldr	r0, [sp, #28]
30788eb8:	e1a02003 	mov	r2, r3
30788ebc:	e59d300c 	ldr	r3, [sp, #12]
30788ec0:	ebffe28a 	bl	307818f0 <mpeg2_idct_add>

old gcc:

30794760:	ebffc861 	bl	307868ec <get_non_intra_block>
30794764:	e1a03000 	mov	r3, r0
30794768:	e58d3014 	str	r3, [sp, #20]
3079476c:	e59d3010 	ldr	r3, [sp, #16]
30794770:	e59330d0 	ldr	r3, [r3, #208]
30794774:	e59d0014 	ldr	r0, [sp, #20]
30794778:	e1a01003 	mov	r1, r3
3079477c:	e59d2008 	ldr	r2, [sp, #8]
30794780:	e59d3004 	ldr	r3, [sp, #4]
30794784:	ebffb4ea 	bl	30781b34 <mpeg2_idct_add>