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sparc.c (print_operand): Test for a non-null DECL_SIZE of DECL_RESULT before evaluating it.

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* config/sparc/sparc.c (print_operand) <')'>: Test for a non-null
	DECL_SIZE of DECL_RESULT before evaluating it.

From-SVN: r154068
This commit is contained in:
Eric Botcazou 2009-11-10 17:44:46 +00:00 • committed by Eric Botcazou
parent 6692a053e2
commit 666955711f
2 changed files with 16 additions and 11 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2009-11-10 Eric Botcazou <ebotcazou@adacore.com>
* config/sparc/sparc.c (print_operand) <')'>: Test for a non-null
DECL_SIZE of DECL_RESULT before evaluating it.
2009-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR tree-optimization/41987

22
gcc/config/sparc/sparc.c
View file

@ -6958,19 +6958,19 @@ print_operand (FILE *file, rtx x, int code)
/* Output the right displacement from the saved PC on function return.
The caller may have placed an "unimp" insn immediately after the call
so we have to account for it. This insn is used in the 32-bit ABI
when calling a function that returns a non zero-sized structure. The
when calling a function that returns a non zero-sized structure. The
64-bit ABI doesn't have it. Be careful to have this test be the same
as that used on the call. The exception here is that when
sparc_std_struct_return is enabled, the psABI is followed exactly
and the adjustment is made by the code in sparc_struct_value_rtx.
The call emitted is the same when sparc_std_struct_return is
present. */
if (! TARGET_ARCH64
as that for the call. The exception is when sparc_std_struct_return
is enabled, the psABI is followed exactly and the adjustment is made
by the code in sparc_struct_value_rtx. The call emitted is the same
when sparc_std_struct_return is enabled. */
if (!TARGET_ARCH64
&& cfun->returns_struct
&& ! sparc_std_struct_return
&& (TREE_CODE (DECL_SIZE (DECL_RESULT (current_function_decl)))
== INTEGER_CST)
&& ! integer_zerop (DECL_SIZE (DECL_RESULT (current_function_decl))))
&& !sparc_std_struct_return
&& DECL_SIZE (DECL_RESULT (current_function_decl))
&& TREE_CODE (DECL_SIZE (DECL_RESULT (current_function_decl)))
== INTEGER_CST
&& !integer_zerop (DECL_SIZE (DECL_RESULT (current_function_decl))))
fputs ("12", file);
else
fputc ('8', file);