From 8e6a59feebbfbedc620983ca9a568efebf016a48 Mon Sep 17 00:00:00 2001 From: Mark Mitchell Date: Thu, 7 Jan 1999 11:29:38 +0000 Subject: calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to allocate memory that will live beyond this function. * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to allocate memory that will live beyond this function. (expand_call): Free it here. From-SVN: r24561 --- gcc/calls.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) (limited to 'gcc/calls.c') diff --git a/gcc/calls.c b/gcc/calls.c index b180758..b41158e 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -753,7 +753,12 @@ restore_fixed_argument_area (save_area, argblock, high_to_save, low_to_save) /* If any elements in ARGS refer to parameters that are to be passed in registers, but not in memory, and whose alignment does not permit a direct copy into registers. Copy the values into a group of pseudos - which we will later copy into the appropriate hard registers. */ + which we will later copy into the appropriate hard registers. + + Pseudos for each unaligned argument will be stored into the array + args[argnum].aligned_regs. The caller is responsible for deallocating + the aligned_regs array if it is nonzero. */ + static void store_unaligned_arguments_into_pseudos (args, num_actuals) struct arg_data *args; @@ -774,8 +779,8 @@ store_unaligned_arguments_into_pseudos (args, num_actuals) = args[i].partial ? args[i].partial : (bytes + (UNITS_PER_WORD - 1)) / UNITS_PER_WORD; - args[i].aligned_regs = (rtx *) alloca (sizeof (rtx) - * args[i].n_aligned_regs); + args[i].aligned_regs = (rtx *) xmalloc (sizeof (rtx) + * args[i].n_aligned_regs); /* Structures smaller than a word are aligned to the least significant byte (to the right). On a BYTES_BIG_ENDIAN machine, @@ -2298,6 +2303,11 @@ expand_call (exp, target, ignore) pop_temp_slots (); + /* Free up storage we no longer need. */ + for (i = 0; i < num_actuals; ++i) + if (args[i].aligned_regs) + free (args[i].aligned_regs); + return target; } -- cgit v1.1