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| author | geoffk <geoffk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-08-27 18:25:23 +0000 |
|---|---|---|
| committer | geoffk <geoffk@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-08-27 18:25:23 +0000 |
| commit | db1b818ccb51fd14d72ad01cebbdce5c25102286 (patch) | |
| tree | 179bfccd4b01f619ca65418a42ccba423d58a92f /gcc/reload.c | |
| parent | ef2b93f9585273e7f868f61ce103c1252c5b24ba (diff) | |
| download | gcc-db1b818ccb51fd14d72ad01cebbdce5c25102286.tar.gz | |
* reload.c (find_reloads_toplev): Back out this change:
Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
* reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
mem if the address is a mode_dependent_address_p.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45203 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index 0cf5a0eebf9..4eaed380c24 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -4419,30 +4419,6 @@ find_reloads_toplev (x, opnum, type, ind_levels, is_set_dest, insn, x = find_reloads_subreg_address (x, 1, opnum, type, ind_levels, insn); } - else if (code == SUBREG && GET_CODE (SUBREG_REG (x)) == MEM - && (GET_MODE_SIZE (GET_MODE (x)) - > GET_MODE_SIZE (GET_MODE (SUBREG_REG (x)))) - && mode_dependent_address_p (XEXP (SUBREG_REG (x), 0))) - { - /* A paradoxical subreg will simply have the mode of the access - changed, so we need to reload such a memory operand to stabilize - the meaning of the memory access. */ - enum machine_mode subreg_mode = GET_MODE (SUBREG_REG (x)); - - /* SUBREG_REG (x) is a MEM, so we cant take the offset, instead we - calculate the register number as : - SUBREG_BYTE (x) / GET_MODE_SIZE (subreg_mode) */ - if (is_set_dest) - push_reload (NULL_RTX, SUBREG_REG (x), (rtx*)0, &SUBREG_REG (x), - find_valid_class (subreg_mode, - SUBREG_BYTE (x) / GET_MODE_SIZE (subreg_mode)), - VOIDmode, subreg_mode, 0, 0, opnum, type); - else - push_reload (SUBREG_REG (x), NULL_RTX, &SUBREG_REG (x), (rtx*)0, - find_valid_class (subreg_mode, - SUBREG_BYTE (x) / GET_MODE_SIZE (subreg_mode)), - subreg_mode, VOIDmode, 0, 0, opnum, type); - } for (copied = 0, i = GET_RTX_LENGTH (code) - 1; i >= 0; i--) { |