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| author | Geoffrey Keating <geoffk@redhat.com> | 2001-08-27 18:25:23 +0000 |
|---|---|---|
| committer | Geoffrey Keating <geoffk@gcc.gnu.org> | 2001-08-27 18:25:23 +0000 |
| commit | 67a44b16b1678e2f3bda0db7127e99dace8399fb (patch) | |
| tree | 179bfccd4b01f619ca65418a42ccba423d58a92f /gcc | |
| parent | acd7baf7297545ff01b3a0a24d9025de8cd479fc (diff) | |
| download | gcc-67a44b16b1678e2f3bda0db7127e99dace8399fb.zip gcc-67a44b16b1678e2f3bda0db7127e99dace8399fb.tar.gz gcc-67a44b16b1678e2f3bda0db7127e99dace8399fb.tar.bz2 | |
reload.c (find_reloads_toplev): Back out this change:
* 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.
From-SVN: r45203
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/reload.c | 24 |
2 files changed, 9 insertions, 24 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6e42ed1..01cba25 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2001-08-27 Geoffrey Keating <geoffk@redhat.com> + + * 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. + 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com> * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET, diff --git a/gcc/reload.c b/gcc/reload.c index 0cf5a0e..4eaed38 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--) { |