fix gcc 4.3.x segfault triggered by using -frename-registers (reproduced on arm, might be relevant for other platforms as well)

SVN-Revision: 14505
master
Felix Fietkau 16 years ago
parent e697d8c27f
commit 152887e424
  1. 24
      toolchain/gcc/patches/4.3.1/400-arm_register_fix.patch
  2. 24
      toolchain/gcc/patches/4.3.2/400-arm_register_fix.patch
  3. 24
      toolchain/gcc/patches/4.3.3/400-arm_register_fix.patch

@ -0,0 +1,24 @@
Fixes GCC PR36350
--- a/gcc/regrename.c
+++ b/gcc/regrename.c
@@ -783,6 +783,10 @@ build_def_use (basic_block bb)
recog_data.operand_type[i] = OP_INOUT;
}
+ /* Unshare dup_loc RTL */
+ for (i = 0; i < recog_data.n_dups; i++)
+ *recog_data.dup_loc[i] = copy_rtx(*recog_data.dup_loc[i]);
+
/* Step 1: Close chains for which we have overlapping reads. */
for (i = 0; i < n_ops; i++)
scan_rtx (insn, recog_data.operand_loc[i],
@@ -813,7 +817,7 @@ build_def_use (basic_block bb)
OP_IN, 0);
for (i = 0; i < recog_data.n_dups; i++)
- *recog_data.dup_loc[i] = copy_rtx (old_dups[i]);
+ *recog_data.dup_loc[i] = old_dups[i];
for (i = 0; i < n_ops; i++)
*recog_data.operand_loc[i] = old_operands[i];
if (recog_data.n_dups)

@ -0,0 +1,24 @@
Fixes GCC PR36350
--- a/gcc/regrename.c
+++ b/gcc/regrename.c
@@ -783,6 +783,10 @@ build_def_use (basic_block bb)
recog_data.operand_type[i] = OP_INOUT;
}
+ /* Unshare dup_loc RTL */
+ for (i = 0; i < recog_data.n_dups; i++)
+ *recog_data.dup_loc[i] = copy_rtx(*recog_data.dup_loc[i]);
+
/* Step 1: Close chains for which we have overlapping reads. */
for (i = 0; i < n_ops; i++)
scan_rtx (insn, recog_data.operand_loc[i],
@@ -813,7 +817,7 @@ build_def_use (basic_block bb)
OP_IN, 0);
for (i = 0; i < recog_data.n_dups; i++)
- *recog_data.dup_loc[i] = copy_rtx (old_dups[i]);
+ *recog_data.dup_loc[i] = old_dups[i];
for (i = 0; i < n_ops; i++)
*recog_data.operand_loc[i] = old_operands[i];
if (recog_data.n_dups)

@ -0,0 +1,24 @@
Fixes GCC PR36350
--- a/gcc/regrename.c
+++ b/gcc/regrename.c
@@ -783,6 +783,10 @@ build_def_use (basic_block bb)
recog_data.operand_type[i] = OP_INOUT;
}
+ /* Unshare dup_loc RTL */
+ for (i = 0; i < recog_data.n_dups; i++)
+ *recog_data.dup_loc[i] = copy_rtx(*recog_data.dup_loc[i]);
+
/* Step 1: Close chains for which we have overlapping reads. */
for (i = 0; i < n_ops; i++)
scan_rtx (insn, recog_data.operand_loc[i],
@@ -813,7 +817,7 @@ build_def_use (basic_block bb)
OP_IN, 0);
for (i = 0; i < recog_data.n_dups; i++)
- *recog_data.dup_loc[i] = copy_rtx (old_dups[i]);
+ *recog_data.dup_loc[i] = old_dups[i];
for (i = 0; i < n_ops; i++)
*recog_data.operand_loc[i] = old_operands[i];
if (recog_data.n_dups)
Loading…
Cancel
Save