[M3commit] CVS Update: cm3

[Jay]

I don't mean the diffs in m3cc/gcc specifically, I mean the diffs of any checkin at all. I got these diffs by diffing against a clean 4.3.0 or such.
 
 - Jay


----------------------------------------
> From: hosking at cs.purdue.edu
> To: jay.krell at cornell.edu
> Date: Fri, 15 May 2009 21:57:31 +1000
> CC: m3commit at elegosoft.com
> Subject: Re: [M3commit] CVS Update: cm3
>
> You need to make use of the tags to find the diffs.
>
> On 15 May 2009, at 19:38, Jay wrote:
>
>>
>> Here is the diff. I find this incredibly difficult to glean from cvs
>> after the commit is done. I constantly root around the web interface
>> to each file involved in a change. It's terrible. The older patched
>> Tinderbox had something for recent checkins, that was nice. I was
>> going to paste it into the commented, but I worried it might confuse
>> cvs.
>>
>>
>> I think this diff is kind of important and would be interested in
>> explanations for the various ports. Note that the "NOTE" part varies
>> between 4.2 and 4.3.
>>
>>
>> Index: final.c
>> ===================================================================
>> RCS file: /usr/cvs/cm3/m3-sys/m3cc/gcc-apple/gcc/final.c,v
>> retrieving revision 1.1.1.1
>> diff -u -r1.1.1.1 final.c
>> --- final.c 15 May 2009 08:41:27 -0000 1.1.1.1
>> +++ final.c 15 May 2009 09:34:02 -0000
>> @@ -3378,6 +3378,18 @@
>> output_addr_const (file, XEXP (x, 0));
>> break;
>>
>> + case NOTE:
>> + if (NOTE_LINE_NUMBER (x) == NOTE_INSN_DELETED_LABEL) {
>> + ASM_GENERATE_INTERNAL_LABEL (buf, "L", CODE_LABEL_NUMBER (x));
>> +#ifdef ASM_OUTPUT_LABEL_REF
>> + ASM_OUTPUT_LABEL_REF (file, buf);
>> +#else
>> + assemble_name (file, buf);
>> +#endif
>> + break;
>> + }
>> + /* Fall through. */
>> +
>> default:
>> #ifdef OUTPUT_ADDR_CONST_EXTRA
>> OUTPUT_ADDR_CONST_EXTRA (file, x, fail);
>> Index: gimplify.c
>> ===================================================================
>> RCS file: /usr/cvs/cm3/m3-sys/m3cc/gcc-apple/gcc/gimplify.c,v
>> retrieving revision 1.1.1.1
>> diff -u -r1.1.1.1 gimplify.c
>> --- gimplify.c 15 May 2009 08:41:27 -0000 1.1.1.1
>> +++ gimplify.c 15 May 2009 09:34:02 -0000
>> @@ -5509,6 +5509,11 @@
>> }
>> break;
>>
>> + case STATIC_CHAIN_EXPR:
>> + /* The argument is used as information only. No need to
>> gimplify */
>> + ret = GS_ALL_DONE;
>> + break;
>> +
>> case TREE_LIST:
>> gcc_unreachable ();
>>
>> Index: tree-gimple.c
>> ===================================================================
>> RCS file: /usr/cvs/cm3/m3-sys/m3cc/gcc-apple/gcc/tree-gimple.c,v
>> retrieving revision 1.1.1.1
>> diff -u -r1.1.1.1 tree-gimple.c
>> --- tree-gimple.c 15 May 2009 08:41:27 -0000 1.1.1.1
>> +++ tree-gimple.c 15 May 2009 09:34:03 -0000
>> @@ -72,6 +72,7 @@
>> case VECTOR_CST:
>> case OBJ_TYPE_REF:
>> case ASSERT_EXPR:
>> + case STATIC_CHAIN_EXPR:
>> return true;
>>
>> default:
>> Index: tree-nested.c
>> ===================================================================
>> RCS file: /usr/cvs/cm3/m3-sys/m3cc/gcc-apple/gcc/tree-nested.c,v
>> retrieving revision 1.1.1.1
>> diff -u -r1.1.1.1 tree-nested.c
>> --- tree-nested.c 15 May 2009 08:41:27 -0000 1.1.1.1
>> +++ tree-nested.c 15 May 2009 09:34:03 -0000
>> @@ -1603,6 +1603,9 @@
>> switch (TREE_CODE (t))
>> {
>> case ADDR_EXPR:
>> + if (TREE_STATIC (t))
>> + break;
>> +
>> /* Build
>> T.1 = &CHAIN->tramp;
>> T.2 = __builtin_adjust_trampoline (T.1);
>> @@ -1693,6 +1696,22 @@
>> }
>> break;
>>
>> + case STATIC_CHAIN_EXPR:
>> + decl = TREE_OPERAND (t, 0);
>> + target_context = decl_function_context (decl);
>> + if (target_context)
>> + {
>> + if (info->context == target_context)
>> + {
>> + /* Make sure frame_decl gets created. */
>> + (void) get_frame_type (info);
>> + }
>> + *tp = get_static_chain (info, target_context, &wi->tsi);
>> + }
>> + else
>> + *tp = null_pointer_node;
>> + break;
>> +
>> case RETURN_EXPR:
>> case MODIFY_EXPR:
>> case WITH_SIZE_EXPR:
>> @@ -1892,7 +1911,7 @@
>> proper BIND_EXPR. */
>> if (root->new_local_var_chain)
>> declare_vars (root->new_local_var_chain, DECL_SAVED_TREE (root-
>>>context),
>> - false);
>> + true);
>> if (root->debug_var_chain)
>> declare_vars (root->debug_var_chain, DECL_SAVED_TREE (root-
>>>context),
>> true);
>> Index: tree-ssa-alias.c
>> ===================================================================
>> RCS file: /usr/cvs/cm3/m3-sys/m3cc/gcc-apple/gcc/tree-ssa-alias.c,v
>> retrieving revision 1.1.1.1
>> diff -u -r1.1.1.1 tree-ssa-alias.c
>> --- tree-ssa-alias.c 15 May 2009 08:41:28 -0000 1.1.1.1
>> +++ tree-ssa-alias.c 15 May 2009 09:34:04 -0000
>> @@ -1695,6 +1695,7 @@
>> {
>> if (!bitmap_bit_p (addressable_vars, DECL_UID (var))
>> && TREE_CODE (var) != RESULT_DECL
>> + && !TREE_THIS_VOLATILE (var) /* M3 hack to preserve
>> TREE_ADDRESSABLE */
>> && !is_global_var (var))
>> {
>> bool okay_to_mark = true;
>> Index: tree.def
>> ===================================================================
>> RCS file: /usr/cvs/cm3/m3-sys/m3cc/gcc-apple/gcc/tree.def,v
>> retrieving revision 1.1.1.1
>> diff -u -r1.1.1.1 tree.def
>> --- tree.def 15 May 2009 08:41:26 -0000 1.1.1.1
>> +++ tree.def 15 May 2009 09:34:05 -0000
>> @@ -528,6 +528,10 @@
>> Operand 2 is the static chain argument, or NULL. */
>> DEFTREECODE (CALL_EXPR, "call_expr", tcc_expression, 3)
>>
>> +/* Static chain. Operand 0 is the FUNCTION_DECL for which the
>> static chain is
>> + to be computed. */
>> +DEFTREECODE (STATIC_CHAIN_EXPR, "static_chain_expr",
>> tcc_expression, 1)
>> +
>> /* Specify a value to compute along with its corresponding cleanup.
>> Operand 0 is the cleanup expression.
>> The cleanup is executed by the first enclosing CLEANUP_POINT_EXPR,
>>
>>
>>
>> - Jay
>>
>>
>> ----------------------------------------
>>> Date: Fri, 15 May 2009 11:36:00 +0000
>>> To: m3commit at elegosoft.com
>>> From: jkrell at elego.de
>>> Subject: [M3commit] CVS Update: cm3
>>>
>>> CVSROOT: /usr/cvs
>>> Changes by: jkrell at birch. 09/05/15 11:36:00
>>>
>>> Modified files:
>>> cm3/m3-sys/m3cc/gcc-apple/gcc/: final.c gimplify.c tree-gimple.c
>>> tree-nested.c tree-ssa-alias.c
>>> tree.def
>>>
>>> Log message:
>>> merge changes from mainline, filtering out those that "just" are
>>> to aid debugging or are #if 0'ed or commented out
>>>
>