Revert of: commit 275035b56823b26d5fb7e90fad945b998648edf2 Author: bergner Date: Thu Sep 5 14:09:07 2013 +0000 PR target/58139 * reginfo.c (choose_hard_reg_mode): Scan through all mode classes looking for widest mode. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202286 138bc75d-0d04-0410-961f-82ee72b054a4 --- a/gcc/reginfo.c +++ b/gcc/reginfo.c @@ -621,35 +621,40 @@ choose_hard_reg_mode (unsigned int regno mode = GET_MODE_WIDER_MODE (mode)) if ((unsigned) hard_regno_nregs[regno][mode] == nregs && HARD_REGNO_MODE_OK (regno, mode) - && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) - && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) found_mode = mode; + if (found_mode != VOIDmode) + return found_mode; + for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT); mode != VOIDmode; mode = GET_MODE_WIDER_MODE (mode)) if ((unsigned) hard_regno_nregs[regno][mode] == nregs && HARD_REGNO_MODE_OK (regno, mode) - && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) - && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) found_mode = mode; + if (found_mode != VOIDmode) + return found_mode; + for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_FLOAT); mode != VOIDmode; mode = GET_MODE_WIDER_MODE (mode)) if ((unsigned) hard_regno_nregs[regno][mode] == nregs && HARD_REGNO_MODE_OK (regno, mode) - && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) - && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) found_mode = mode; + if (found_mode != VOIDmode) + return found_mode; + for (mode = GET_CLASS_NARROWEST_MODE (MODE_VECTOR_INT); mode != VOIDmode; mode = GET_MODE_WIDER_MODE (mode)) if ((unsigned) hard_regno_nregs[regno][mode] == nregs && HARD_REGNO_MODE_OK (regno, mode) - && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) - && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode))) found_mode = mode; if (found_mode != VOIDmode)