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- Revert of:
-
- commit 275035b56823b26d5fb7e90fad945b998648edf2
- Author: bergner <bergner@138bc75d-0d04-0410-961f-82ee72b054a4>
- 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
- @@ -665,35 +665,40 @@ 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)
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