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sparc.md (nonlocal_goto_receiver): Remove.
* config/sparc/sparc.md (nonlocal_goto_receiver): Remove. (prologue, exception_receiver, builtin_setjmp_receiver): New patterns. * config/sparc/sparc.h (FINALIZE_PIC): Remove. * config/sparc/sparc-protos.h (finalize_pic): Remove. (load_pic_register): New prototype. * config/sparc/sparc.c (pic_setup_code): Remove. (finalize_pic): Rename to... (load_pic_register): ...this function. Don't look for nonlocal_goto_receivers and emit pic setup code directly. Don't check current_function_uses_pic_offset_table. * gcc.dg/20001012-1.c: New test. * gcc.dg/20001012-2.c: New test. From-SVN: r36859
This commit is contained in:
Jakub Jelinek
Jakub Jelinek
parent
7584b89ffd
commit
fccf984850
@ -1,3 +1,17 @@
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2000-10-13 Jakub Jelinek <jakub@redhat.com>
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* config/sparc/sparc.md (nonlocal_goto_receiver): Remove.
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(prologue, exception_receiver, builtin_setjmp_receiver): New
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patterns.
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* config/sparc/sparc.h (FINALIZE_PIC): Remove.
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* config/sparc/sparc-protos.h (finalize_pic): Remove.
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(load_pic_register): New prototype.
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* config/sparc/sparc.c (pic_setup_code): Remove.
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(finalize_pic): Rename to...
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(load_pic_register): ...this function.
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Don't look for nonlocal_goto_receivers and emit pic setup code
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directly. Don't check current_function_uses_pic_offset_table.
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2000-10-13 Richard Earnshaw <rearnsha@arm.com>
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* tree.h (struct obstack): Declare.
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@ -51,7 +51,7 @@ extern enum direction function_arg_padding PARAMS ((enum machine_mode, tree));
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#endif /* TREE_CODE */
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extern void ultrasparc_sched_init PARAMS ((FILE *, int));
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extern void finalize_pic PARAMS ((void));
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extern void load_pic_register PARAMS ((void));
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extern void order_regs_for_local_alloc PARAMS ((void));
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extern void output_function_epilogue PARAMS ((FILE *, int, int));
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extern void output_function_prologue PARAMS ((FILE *, int, int));
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@ -127,7 +127,6 @@ char sparc_leaf_regs[] =
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static const char *frame_base_name;
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static int frame_base_offset;
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static rtx pic_setup_code PARAMS ((void));
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static void sparc_init_modes PARAMS ((void));
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static int save_regs PARAMS ((FILE *, int, int, const char *,
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int, int, int));
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@ -2830,34 +2829,15 @@ legitimize_pic_address (orig, mode, reg)
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return orig;
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}
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/* Return the RTX for insns to set the PIC register. */
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static rtx
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pic_setup_code ()
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{
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rtx seq;
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start_sequence ();
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emit_insn (gen_get_pc (pic_offset_table_rtx, global_offset_table,
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get_pc_symbol));
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seq = gen_sequence ();
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end_sequence ();
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return seq;
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}
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/* Emit special PIC prologues and epilogues. */
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/* Emit special PIC prologues. */
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void
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finalize_pic ()
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load_pic_register ()
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{
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/* Labels to get the PC in the prologue of this function. */
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int orig_flag_pic = flag_pic;
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rtx insn;
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if (current_function_uses_pic_offset_table == 0)
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return;
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if (! flag_pic)
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abort ();
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@ -2882,16 +2862,8 @@ finalize_pic ()
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get_pc_symbol = gen_rtx_SYMBOL_REF (Pmode, get_pc_symbol_name);
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flag_pic = 0;
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emit_insn_after (pic_setup_code (), get_insns ());
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/* Insert the code in each nonlocal goto receiver.
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If you make changes here or to the nonlocal_goto_receiver
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pattern, make sure the unspec_volatile numbers still
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match. */
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for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
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if (GET_CODE (insn) == INSN && GET_CODE (PATTERN (insn)) == UNSPEC_VOLATILE
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&& XINT (PATTERN (insn), 1) == 5)
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emit_insn_after (pic_setup_code (), insn);
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emit_insn (gen_get_pc (pic_offset_table_rtx, global_offset_table,
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get_pc_symbol));
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flag_pic = orig_flag_pic;
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@ -1252,8 +1252,6 @@ extern int sparc_mode_class[];
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#define PIC_OFFSET_TABLE_REGNUM 23
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#define FINALIZE_PIC finalize_pic ()
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/* Pick a default value we can notice from override_options:
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!v9: Default is on.
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v9: Default is off. */
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@ -50,7 +50,6 @@
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;; 2 goto_handler_and_restore
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;; 3 goto_handler_and_restore_v9*
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;; 4 flush
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;; 5 nonlocal_goto_receiver
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;;
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;; The upper 32 fp regs on the v9 can't hold SFmode values. To deal with this
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@ -9439,17 +9438,37 @@
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&& in_same_eh_region (insn, operands[2])
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&& in_same_eh_region (insn, ins1)"
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"call\\t%a0, %1\\n\\tadd\\t%%o7, (%l2-.-4), %%o7")
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(define_expand "prologue"
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[(const_int 1)]
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"flag_pic && current_function_uses_pic_offset_table"
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"
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{
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load_pic_register ();
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DONE;
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}")
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;; After a nonlocal goto, we need to restore the PIC register, but only
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;; if we need it. So do nothing much here, but we'll check for this in
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;; finalize_pic.
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;; We need to reload %l7 for -mflat -fpic,
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;; otherwise %l7 should be preserved simply
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;; by loading the function's register window
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(define_expand "exception_receiver"
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[(const_int 0)]
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"TARGET_FLAT && flag_pic"
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"
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{
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load_pic_register ();
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DONE;
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}")
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;; Make sure this unspec_volatile number agrees with finalize_pic.
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(define_insn "nonlocal_goto_receiver"
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[(unspec_volatile [(const_int 0)] 5)]
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"flag_pic"
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""
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[(set_attr "length" "0")])
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;; Likewise
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(define_expand "builtin_setjmp_receiver"
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[(label_ref (match_operand 0 "" ""))]
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"TARGET_FLAT && flag_pic"
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"
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{
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load_pic_register ();
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DONE;
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}")
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(define_insn "trap"
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[(trap_if (const_int 1) (const_int 5))]
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@ -1,3 +1,8 @@
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2000-10-13 Jakub Jelinek <jakub@redhat.com>
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* gcc.dg/20001012-1.c: New test.
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* gcc.dg/20001012-2.c: New test.
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2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk>
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* gcc.dg/format-attr-1.c: New test.
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15
gcc/testsuite/gcc.dg/20001012-1.c
Normal file
15
gcc/testsuite/gcc.dg/20001012-1.c
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@ -0,0 +1,15 @@
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/* { dg-do run { target sparc*-*-* } } */
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/* { dg-options "-O2 -fpic" } */
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double
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foo (void)
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{
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return (__extension__ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) { __l: 0x3f800000UL }).__d);
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}
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main ()
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{
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if (foo() != 1.0)
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abort ();
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exit (0);
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}
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33
gcc/testsuite/gcc.dg/20001012-2.c
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33
gcc/testsuite/gcc.dg/20001012-2.c
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@ -0,0 +1,33 @@
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/* { dg-do run { target sparc*-*-* } } */
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/* { dg-options "-O2 -fpic" } */
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void foo (char *x, const char *y, ...)
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{
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}
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double bar (const char *x, long y)
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{
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return 0.0;
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}
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typedef __SIZE_TYPE__ size_t;
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extern size_t strlen (const char *);
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double baz (const char *x)
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{
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if (x[0] != '\0')
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{
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char y[6 + strlen (x)];
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foo (y, "FOO", x);
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return bar (y, 0);
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}
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return (__extension__ ((union { unsigned __l __attribute__((__mode__(__SI__))); float __d; }) { __l: 0x3f800000UL }).__d);
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}
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main ()
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{
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if (baz("") != 1.0)
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abort ();
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exit (0);
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}
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