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mmix.c (mmix_target_asm_function_prologue): Correct unwind information when frame_pointer_needed.

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* config/mmix/mmix.c (mmix_target_asm_function_prologue): Correct
	unwind information when frame_pointer_needed.
	(mmix_assemble_integer): Tweak wording in comment.

From-SVN: r51562
This commit is contained in:
Hans-Peter Nilsson 2002-03-29 17:07:59 +00:00 • committed by Hans-Peter Nilsson
parent 1d5af8719f
commit 7d9b63781d
2 changed files with 42 additions and 25 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2002-03-29 Hans-Peter Nilsson <hp@bitrange.com>
* config/mmix/mmix.c (mmix_target_asm_function_prologue): Correct
unwind information when frame_pointer_needed.
(mmix_assemble_integer): Tweak wording in comment.
2002-03-29 Neil Booth <neil@daikokuya.demon.co.uk>
* Makefile.in (except.o): Update.

61
gcc/config/mmix/mmix.c
View file

@ -734,8 +734,9 @@ mmix_target_asm_function_prologue (stream, locals_size)
setting; they don't accumulate. We must keep track
of the offset ourselves. */
cfa_offset += stack_chunk;
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
if (!frame_pointer_needed)
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
}
offset += stack_chunk;
stack_space_to_allocate -= stack_chunk;
@ -768,11 +769,7 @@ mmix_target_asm_function_prologue (stream, locals_size)
reg_names[MMIX_STACK_POINTER_REGNUM],
stack_chunk);
if (doing_dwarf)
{
cfa_offset += stack_chunk;
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
}
cfa_offset += stack_chunk;
offset += stack_chunk;
stack_space_to_allocate -= stack_chunk;
}
@ -785,8 +782,18 @@ mmix_target_asm_function_prologue (stream, locals_size)
reg_names[MMIX_STACK_POINTER_REGNUM],
offset + 8);
if (doing_dwarf)
dwarf2out_reg_save ("", MMIX_FRAME_POINTER_REGNUM,
-cfa_offset + offset);
{
/* If we're using the frame-pointer, then we just need this CFA
definition basing on that value (often equal to the CFA).
Further changes to the stack-pointer do not affect the
frame-pointer, so we conditionalize them below on
!frame_pointer_needed. */
dwarf2out_def_cfa ("", MMIX_FRAME_POINTER_REGNUM,
-cfa_offset + offset + 8);
dwarf2out_reg_save ("", MMIX_FRAME_POINTER_REGNUM,
-cfa_offset + offset);
}
offset -= 8;
}
@ -811,8 +818,9 @@ mmix_target_asm_function_prologue (stream, locals_size)
if (doing_dwarf)
{
cfa_offset += stack_chunk;
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
if (!frame_pointer_needed)
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
}
offset += stack_chunk;
stack_space_to_allocate -= stack_chunk;
@ -850,7 +858,8 @@ mmix_target_asm_function_prologue (stream, locals_size)
if (doing_dwarf)
{
cfa_offset += stack_chunk;
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
if (!frame_pointer_needed)
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
}
}
@ -910,8 +919,9 @@ mmix_target_asm_function_prologue (stream, locals_size)
if (doing_dwarf)
{
cfa_offset += stack_chunk;
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
if (!frame_pointer_needed)
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
}
}
else
@ -925,8 +935,9 @@ mmix_target_asm_function_prologue (stream, locals_size)
if (doing_dwarf)
{
cfa_offset += stack_chunk;
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
if (!frame_pointer_needed)
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
}
}
@ -965,8 +976,9 @@ mmix_target_asm_function_prologue (stream, locals_size)
if (doing_dwarf)
{
cfa_offset += stack_space_to_allocate;
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
if (!frame_pointer_needed)
dwarf2out_def_cfa ("", MMIX_STACK_POINTER_REGNUM,
cfa_offset);
}
}
@ -1913,13 +1925,12 @@ mmix_assemble_integer (x, size, aligned_p)
{
/* We handle a limited number of types of operands in here. But
that's ok, because we can punt to generic functions. We then
pretend that we don't emit aligned data is needed, so the usual
.pseudo syntax is used (which work for aligned data too). We
actually *must* do that, since we say we don't have simple
aligned pseudos, causing this function to be called. We just
try and keep as much compatibility as possible with mmixal
syntax for normal cases (i.e. without GNU extensions and C
only). */
pretend that aligned data isn't needed, so the usual .<pseudo>
syntax is used (which works for aligned data too). We actually
*must* do that, since we say we don't have simple aligned
pseudos, causing this function to be called. We just try and
keep as much compatibility as possible with mmixal syntax for
normal cases (i.e. without GNU extensions and C only). */
case 1:
if (GET_CODE (x) != CONST_INT)
{