s390.c (s390_function_value): Rename to ...
2011-03-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> * config/s390/s390.c (s390_function_value): Rename to ... (s390_function_and_libcall_value): ... this. (s390_function_value): New function. (s390_libcall_value): New function. (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks. * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove target macro definitions. * config/s390/s390-protos.h (s390_function_value): Remove prototype. From-SVN: r170649
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Andreas Krebbel
Andreas Krebbel
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@ -1,3 +1,15 @@
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2011-03-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
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* config/s390/s390.c (s390_function_value): Rename to ...
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(s390_function_and_libcall_value): ... this.
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(s390_function_value): New function.
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(s390_libcall_value): New function.
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(TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target
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hooks.
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* config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
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target macro definitions.
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* config/s390/s390-protos.h (s390_function_value): Remove prototype.
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2011-03-02 Joseph Myers <joseph@codesourcery.com>
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* config/i386/freebsd64.h (CC1_SPEC): Define.
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@ -111,9 +111,3 @@ extern int s390_branch_condition_mask (rtx);
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extern int s390_compare_and_branch_condition_mask (rtx);
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#endif /* RTX_CODE */
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#ifdef TREE_CODE
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#ifdef RTX_CODE
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extern rtx s390_function_value (const_tree, const_tree, enum machine_mode);
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#endif /* RTX_CODE */
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#endif /* TREE_CODE */
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@ -8687,17 +8687,23 @@ s390_promote_function_mode (const_tree type, enum machine_mode mode,
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return mode;
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}
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/* Define where to return a (scalar) value of type TYPE.
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If TYPE is null, define where to return a (scalar)
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/* Define where to return a (scalar) value of type RET_TYPE.
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If RET_TYPE is null, define where to return a (scalar)
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value of mode MODE from a libcall. */
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rtx
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s390_function_value (const_tree type, const_tree fn, enum machine_mode mode)
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static rtx
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s390_function_and_libcall_value (enum machine_mode mode,
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const_tree ret_type,
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const_tree fntype_or_decl,
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bool outgoing ATTRIBUTE_UNUSED)
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{
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if (type)
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/* For normal functions perform the promotion as
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promote_function_mode would do. */
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if (ret_type)
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{
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int unsignedp = TYPE_UNSIGNED (type);
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mode = promote_function_mode (type, TYPE_MODE (type), &unsignedp, fn, 1);
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int unsignedp = TYPE_UNSIGNED (ret_type);
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mode = promote_function_mode (ret_type, mode, &unsignedp,
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fntype_or_decl, 1);
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}
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gcc_assert (GET_MODE_CLASS (mode) == MODE_INT || SCALAR_FLOAT_MODE_P (mode));
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@ -8710,6 +8716,10 @@ s390_function_value (const_tree type, const_tree fn, enum machine_mode mode)
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return gen_rtx_REG (mode, 2);
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else if (GET_MODE_SIZE (mode) == 2 * UNITS_PER_LONG)
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{
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/* This case is triggered when returning a 64 bit value with
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-m31 -mzarch. Although the value would fit into a single
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register it has to be forced into a 32 bit register pair in
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order to match the ABI. */
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rtvec p = rtvec_alloc (2);
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RTVEC_ELT (p, 0)
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@ -8723,6 +8733,26 @@ s390_function_value (const_tree type, const_tree fn, enum machine_mode mode)
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gcc_unreachable ();
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}
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/* Define where to return a scalar return value of type RET_TYPE. */
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static rtx
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s390_function_value (const_tree ret_type, const_tree fn_decl_or_type,
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bool outgoing)
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{
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return s390_function_and_libcall_value (TYPE_MODE (ret_type), ret_type,
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fn_decl_or_type, outgoing);
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}
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/* Define where to return a scalar libcall return value of mode
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MODE. */
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static rtx
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s390_libcall_value (enum machine_mode mode, const_rtx fun ATTRIBUTE_UNUSED)
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{
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return s390_function_and_libcall_value (mode, NULL_TREE,
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NULL_TREE, true);
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}
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/* Create and return the va_list datatype.
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@ -10694,6 +10724,10 @@ s390_loop_unroll_adjust (unsigned nunroll, struct loop *loop)
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#define TARGET_FUNCTION_ARG s390_function_arg
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#undef TARGET_FUNCTION_ARG_ADVANCE
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#define TARGET_FUNCTION_ARG_ADVANCE s390_function_arg_advance
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#undef TARGET_FUNCTION_VALUE
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#define TARGET_FUNCTION_VALUE s390_function_value
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#undef TARGET_LIBCALL_VALUE
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#define TARGET_LIBCALL_VALUE s390_libcall_value
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#undef TARGET_FIXED_CONDITION_CODE_REGS
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#define TARGET_FIXED_CONDITION_CODE_REGS s390_fixed_condition_code_regs
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@ -688,14 +688,6 @@ CUMULATIVE_ARGS;
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(N) == 16 || (N) == 17 || (TARGET_64BIT && ((N) == 18 || (N) == 19)))
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/* Scalar return values. */
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#define FUNCTION_VALUE(VALTYPE, FUNC) \
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s390_function_value ((VALTYPE), (FUNC), VOIDmode)
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#define LIBCALL_VALUE(MODE) \
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s390_function_value (NULL, NULL, (MODE))
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/* Only gpr 2 and fpr 0 are ever used as return registers. */
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#define FUNCTION_VALUE_REGNO_P(N) ((N) == 2 || (N) == 16)
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