diff options
| author | bergner <bergner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-09-05 14:09:07 +0000 |
|---|---|---|
| committer | bergner <bergner@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-09-05 14:09:07 +0000 |
| commit | 275035b56823b26d5fb7e90fad945b998648edf2 (patch) | |
| tree | 928bc1d2eaf23a9ea55dbb9f5256f08330b238a5 /gcc/reginfo.c | |
| parent | 3aa6cfd7a15782fc85a47bf9831a72306c8c669e (diff) | |
| download | gcc-275035b56823b26d5fb7e90fad945b998648edf2.tar.gz | |
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
Diffstat (limited to 'gcc/reginfo.c')
| -rw-r--r-- | gcc/reginfo.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/gcc/reginfo.c b/gcc/reginfo.c index 1fb6b5d226b..49a7a5864e2 100644 --- a/gcc/reginfo.c +++ b/gcc/reginfo.c @@ -620,40 +620,35 @@ choose_hard_reg_mode (unsigned int regno ATTRIBUTE_UNUSED, 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))) + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) + && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_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))) + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) + && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_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))) + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) + && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_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))) + && (! call_saved || ! HARD_REGNO_CALL_PART_CLOBBERED (regno, mode)) + && GET_MODE_SIZE (mode) > GET_MODE_SIZE (found_mode)) found_mode = mode; if (found_mode != VOIDmode) |