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authorRoger Sayle <roger@eyesopen.com>2006-09-12 17:13:55 +0000
committerRoger Sayle <sayle@gcc.gnu.org>2006-09-12 17:13:55 +0000
commitb598cb381a6f4edc08cc31ec33b6625e8b5ecccf (patch)
treeb765e14ee4d8f9cfada1547337dfad4e0510fc9e
parentf63fc0d933c16105877f57f19a4500e8afabc47d (diff)
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re PR target/22223 (New testsuite failure on Tru64 UNIX V5.1B: gcc.c-torture/compile/20050622-1.c)
PR target/22223 * config/alpha/alpha.c (alpha_start_function): Don't emit stack frame information for frames larger than 512 Kbytes on Tru64 when using the native assembler. From-SVN: r116895
-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/config/alpha/alpha.c10
2 files changed, 14 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0a0d31b..0a87b0e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,12 @@
2006-09-12 Roger Sayle <roger@eyesopen.com>
+ PR target/22223
+ * config/alpha/alpha.c (alpha_start_function): Don't emit stack
+ frame information for frames larger than 512 Kbytes on Tru64 when
+ using the native assembler.
+
+2006-09-12 Roger Sayle <roger@eyesopen.com>
+
PR middle-end/4520
PR bootstrap/28784
* cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c
index 1a3cf83..0b3da82 100644
--- a/gcc/config/alpha/alpha.c
+++ b/gcc/config/alpha/alpha.c
@@ -7836,6 +7836,10 @@ alpha_start_function (FILE *file, const char *fnname,
HOST_WIDE_INT sa_size;
/* Complete stack size needed. */
unsigned HOST_WIDE_INT frame_size;
+ /* The maximum debuggable frame size (512 Kbytes using Tru64 as). */
+ unsigned HOST_WIDE_INT max_frame_size = TARGET_ABI_OSF && !TARGET_GAS
+ ? 524288
+ : 1UL << 31;
/* Offset from base reg to register save area. */
HOST_WIDE_INT reg_offset;
char *entry_label = (char *) alloca (strlen (fnname) + 6);
@@ -7960,7 +7964,7 @@ alpha_start_function (FILE *file, const char *fnname,
fprintf (file, "\t.frame $%d," HOST_WIDE_INT_PRINT_DEC ",$26,%d\n",
(frame_pointer_needed
? HARD_FRAME_POINTER_REGNUM : STACK_POINTER_REGNUM),
- frame_size >= (1UL << 31) ? 0 : frame_size,
+ frame_size >= max_frame_size ? 0 : frame_size,
current_function_pretend_args_size);
/* Describe which registers were spilled. */
@@ -7982,7 +7986,7 @@ alpha_start_function (FILE *file, const char *fnname,
if (imask)
{
fprintf (file, "\t.mask 0x%lx," HOST_WIDE_INT_PRINT_DEC "\n", imask,
- frame_size >= (1UL << 31) ? 0 : reg_offset - frame_size);
+ frame_size >= max_frame_size ? 0 : reg_offset - frame_size);
for (i = 0; i < 32; ++i)
if (imask & (1UL << i))
@@ -7991,7 +7995,7 @@ alpha_start_function (FILE *file, const char *fnname,
if (fmask)
fprintf (file, "\t.fmask 0x%lx," HOST_WIDE_INT_PRINT_DEC "\n", fmask,
- frame_size >= (1UL << 31) ? 0 : reg_offset - frame_size);
+ frame_size >= max_frame_size ? 0 : reg_offset - frame_size);
}
#if TARGET_ABI_OPEN_VMS