[Bug other/21398] gcc emits invalid operands for xchgb %b0, %h0

2005-05-05 Thread pluto at pld-linux dot org
-- What|Removed |Added CC||mmazur at kernel dot pl http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21398

[Bug other/21398] gcc emits invalid operands for xchgb %b0, %h0

2005-05-05 Thread pinskia at gcc dot gnu dot org
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-05 13:49 --- `a', b, c, or d register for the i386. For x86-64 it is equivalent to `r' class (for 8-bit instructions that do not use upper halves). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21398

[Bug other/21398] gcc emits invalid operands for xchgb %b0, %h0

2005-05-05 Thread pluto at pld-linux dot org
--- Additional Comments From pluto at pld-linux dot org 2005-05-05 14:22 --- in online docs i see that q means byte addressable register (a,b,c,d). in i386.h i see something differ for x86_64. did i miss something in docs? #define REG_CLASS_FROM_LETTER(C)\ ((C) == 'r' ?

[Bug other/21398] gcc emits invalid operands for xchgb %b0, %h0

2005-05-05 Thread pinskia at gcc dot gnu dot org
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-05 14:24 --- (In reply to comment #2) in online docs i see that q means byte addressable register (a,b,c,d). in i386.h i see something differ for x86_64. did i miss something in docs? Yes see comment #1 which is a

[Bug other/21398] gcc emits invalid operands for xchgb %b0, %h0

2005-05-05 Thread pluto at pld-linux dot org
--- Additional Comments From pluto at pld-linux dot org 2005-05-05 14:41 --- (In reply to comment #3) (In reply to comment #2) in online docs i see that q means byte addressable register (a,b,c,d). in i386.h i see something differ for x86_64. did i miss something in docs?