> -----Original Message----- > From: Georg-Johann Lay [mailto:a...@gjlay.de] > Sent: Friday, February 03, 2012 12:47 PM > To: gcc-patches@gcc.gnu.org > Cc: Denis Chertykov; Weddington, Eric > Subject: [Patch,AVR]: Clean up hard-coded SFR addresses > > This patch removes the define_constants from avr.md: > SREG_ADDR, SP_ADDR, RAMPZ_ADDR. > > The constants were not used in md directly and didn't take care of afr_offset > between RAM and I/O address. > > The replacement is a new structure avr_addr that holds RAM addresses of > respective SFRs and takes into account avr_current_arch->sfr_offset. > > sfr_offset is the same for all architectures, but that may change in the > future. > > Tested without regression. > > Ok for trunk?
In the struct avr_addr_t is there any reason why you didn't want to have the low and high bytes of the stack pointer in a union with the full stack pointer? Eric