mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11232 3c298f89-4303-0410-b956-a3cf2f4a3e73
86 lines
3.3 KiB
Diff
86 lines
3.3 KiB
Diff
Index: gcc-4.2.3/gcc/config/avr32/avr32.c
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===================================================================
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--- gcc-4.2.3.orig/gcc/config/avr32/avr32.c 2008-05-21 13:45:59.762288215 +0200
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+++ gcc-4.2.3/gcc/config/avr32/avr32.c 2008-05-21 13:46:00.342290304 +0200
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@@ -695,8 +695,7 @@
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if (!avr32_const_ok_for_constraint_p (mi_delta, 'I', "Is21")
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- || vcall_offset
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- || flag_pic)
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+ || vcall_offset)
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{
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fputs ("\tpushm\tlr\n", file);
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}
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@@ -728,47 +727,23 @@
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}
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- if ( (!avr32_const_ok_for_constraint_p (mi_delta, 'I', "Is21")
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- || vcall_offset)
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- && !flag_pic )
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+ if (!avr32_const_ok_for_constraint_p (mi_delta, 'I', "Is21")
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+ || vcall_offset)
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{
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fputs ("\tpopm\tlr\n", file);
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}
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-
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- if (flag_pic)
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- {
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- /* Load the got into lr and then load the pointer
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- to the function from the got and put it on the stack.
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- We can then call the function and restore lr by issuing
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- a doubleword load from the stack. We do not use a popm/ldm
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- since it will be treated as a return and might need a flushing
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- of the return-stack if available. */
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- rtx label = gen_label_rtx ();
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- /* Load the got. */
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- fputs ("\tlddpc\tlr, 0f\n", file);
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- (*targetm.asm_out.internal_label) (file, "L",
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- CODE_LABEL_NUMBER (label));
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- fputs ("\trsub\tlr, pc\n", file);
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- /* Load the function pointer. */
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- fputs ("\tld.w\tlr, lr[", file);
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- assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0));
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- fputs ("@got]\n", file);
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- /* Push the function pointer on the stack.*/
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- fputs ("\tpushm\tlr\n", file);
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- /* Restore the old lr value and load the function pointer into
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- pc. */
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- fputs ("\tld.d\tlr,sp++\n", file);
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- fprintf (file, "\t.align 2\n");
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- fprintf (file, "0:\t.long\t.L%d - _GLOBAL_OFFSET_TABLE_\n", CODE_LABEL_NUMBER (label));
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- }
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- else
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- {
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- fprintf (file, "\tlddpc\tpc, 0f\n");
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- fprintf (file, "\t.align 2\n");
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- fputs ("0:\t.long\t", file);
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- assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0));
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- fputc ('\n', file);
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- }
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+
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+ /* Jump to the function. We assume that we can use an rjmp since the
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+ function to jump to is local and probably not too far away from
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+ the thunk. If this assumption proves to be wrong we could implement
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+ this jump by calculating the offset between the jump source and destination
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+ and put this in the constant pool and then perform an add to pc.
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+ This would also be legitimate PIC code. But for now we hope that an rjmp
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+ will be sufficient...
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+ */
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+ fputs ("\trjmp\t", file);
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+ assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0));
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+ fputc ('\n', file);
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}
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/* Implements target hook vector_mode_supported. */
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@@ -1742,7 +1717,7 @@
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if (TREE_CODE (*node) != FUNCTION_DECL)
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{
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warning ("`%s' attribute only applies to functions",
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- IDENTIFIER_POINTER (name));
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+ IDENTIFIER_POINTER (name));
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*no_add_attrs = true;
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}
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/* FIXME: the argument if any is checked for type attributes; should it
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