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| author | Jakub Jelinek <jakub@redhat.com> | 1999-12-06 20:31:13 +0100 |
|---|---|---|
| committer | David S. Miller <davem@gcc.gnu.org> | 1999-12-06 11:31:13 -0800 |
| commit | 04572513c7bf1b351b95c2f6ecf78fec8cbe306a (patch) | |
| tree | c87294c7e154e34926afbab2e9a7919f97fa9cd9 /gcc | |
| parent | 50352c9c62fd4b48e237d809ecf1a1e25de3fe30 (diff) | |
| download | gcc-04572513c7bf1b351b95c2f6ecf78fec8cbe306a.zip gcc-04572513c7bf1b351b95c2f6ecf78fec8cbe306a.tar.gz gcc-04572513c7bf1b351b95c2f6ecf78fec8cbe306a.tar.bz2 | |
calls.c (save_fixed_argument_area): If save_mode is BLKmode, always use move_by_pieces to avoid infinite recursion.
* calls.c (save_fixed_argument_area): If save_mode is BLKmode,
always use move_by_pieces to avoid infinite recursion.
(restore_fixed_argument_area): Likewise.
From-SVN: r30805
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/calls.c | 17 |
2 files changed, 15 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 67a0376..f2c3181 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -13,6 +13,10 @@ * config/sparc/sparc.c (input_operand): Allow HImode and QImode valid sethi operations when TARGET_ARCH64. + * calls.c (save_fixed_argument_area): If save_mode is BLKmode, + always use move_by_pieces to avoid infinite recursion. + (restore_fixed_argument_area): Likewise. + Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> * fold-const.c (optimize_bit_field_compare): Only use one mode diff --git a/gcc/calls.c b/gcc/calls.c index 40b359d..33b425d 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -743,9 +743,11 @@ save_fixed_argument_area (reg_parm_stack_space, argblock, if (save_mode == BLKmode) { save_area = assign_stack_temp (BLKmode, num_to_save, 0); - emit_block_move (validize_mem (save_area), stack_area, - GEN_INT (num_to_save), - PARM_BOUNDARY / BITS_PER_UNIT); + /* Cannot use emit_block_move here because it can be done by a library + call which in turn gets into this place again and deadly infinite + recursion happens. */ + move_by_pieces (validize_mem (save_area), stack_area, num_to_save, + PARM_BOUNDARY / BITS_PER_UNIT); } else { @@ -781,9 +783,12 @@ restore_fixed_argument_area (save_area, argblock, high_to_save, low_to_save) if (save_mode != BLKmode) emit_move_insn (stack_area, save_area); else - emit_block_move (stack_area, validize_mem (save_area), - GEN_INT (high_to_save - low_to_save + 1), - PARM_BOUNDARY / BITS_PER_UNIT); + /* Cannot use emit_block_move here because it can be done by a library + call which in turn gets into this place again and deadly infinite + recursion happens. */ + move_by_pieces (stack_area, validize_mem (save_area), + high_to_save - low_to_save + 1, + PARM_BOUNDARY / BITS_PER_UNIT); } #endif |