loop.c (emit_prefetch_instructions): Properly place the address computation.

* loop.c (emit_prefetch_instructions): Properly place the address
	computation.

	* dwarf2out.c (output_call_frame_info): Do not skip unwind info
	when flag_asynchronous_unwind_tables is set.

	* i386-protos.h (x86_output_mi_thunk): Declare.
	* unix.h (ASM_OUTPUT_MI_THUNK): Move offline to ...
	* i386.c (x86_output_mi_thunk): ... here; handle 64bits.

	* config/i386/i386.c (ix86_expand_int_movcc): Truncate to proper
	mode.

	* i386.md (movabsdi): Kill broken alternative.

	* i386.c (dbx64_register_map): Fix typo

From-SVN: r54241
This commit is contained in:
Jan Hubicka 2002-06-04 14:48:03 +02:00 committed by Jan Hubicka
parent dbe15d12ec
commit dd79d77593
7 changed files with 113 additions and 66 deletions

View File

@ -1,3 +1,22 @@
Tue Jun 4 13:09:18 CEST 2002 Jan Hubicka <jh@suse.cz>
* loop.c (emit_prefetch_instructions): Properly place the address
computation.
* dwarf2out.c (output_call_frame_info): Do not skip unwind info
when flag_asynchronous_unwind_tables is set.
* i386-protos.h (x86_output_mi_thunk): Declare.
* unix.h (ASM_OUTPUT_MI_THUNK): Move offline to ...
* i386.c (x86_output_mi_thunk): ... here; handle 64bits.
* config/i386/i386.c (ix86_expand_int_movcc): Truncate to proper
mode.
* i386.md (movabsdi): Kill broken alternative.
* i386.c (dbx64_register_map): Fix typo
2002-06-03 Jason Thorpe <thorpej@wasabisystems.com>
* config/rs6000/netbsd.h (DRAFT_V4_STRUCT_RET): Remove.

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@ -194,4 +194,5 @@ extern tree ix86_handle_shared_attribute PARAMS ((tree *, tree, tree, int, bool
extern unsigned int i386_pe_section_type_flags PARAMS ((tree, const char *,
int));
extern void i386_pe_asm_named_section PARAMS ((const char *, unsigned int));
extern void x86_output_mi_thunk PARAMS ((FILE *, int, tree));
#endif

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@ -457,7 +457,7 @@ static int const x86_64_int_return_registers[4] = {0 /*RAX*/, 1 /*RDI*/, 5, 4};
int const dbx64_register_map[FIRST_PSEUDO_REGISTER] =
{
0, 1, 2, 3, 4, 5, 6, 7, /* general regs */
33, 34, 35, 36, 37, 38, 39, 40 /* fp regs */
33, 34, 35, 36, 37, 38, 39, 40, /* fp regs */
-1, -1, -1, -1, -1, /* arg, flags, fpsr, dir, frame */
17, 18, 19, 20, 21, 22, 23, 24, /* SSE */
41, 42, 43, 44, 45, 46, 47, 48, /* MMX */
@ -12494,3 +12494,78 @@ x86_order_regs_for_local_alloc ()
while (pos < FIRST_PSEUDO_REGISTER)
reg_alloc_order [pos++] = 0;
}
void
x86_output_mi_thunk (file, delta, function)
FILE *file;
int delta;
tree function;
{
tree parm;
rtx xops[3];
if (ix86_regparm > 0)
parm = TYPE_ARG_TYPES (TREE_TYPE (function));
else
parm = NULL_TREE;
for (; parm; parm = TREE_CHAIN (parm))
if (TREE_VALUE (parm) == void_type_node)
break;
xops[0] = GEN_INT (delta);
if (TARGET_64BIT)
{
int n = aggregate_value_p (TREE_TYPE (TREE_TYPE (function))) != 0;
xops[1] = gen_rtx_REG (DImode, x86_64_int_parameter_registers[n]);
output_asm_insn ("add{q} {%0, %1|%1, %0}", xops);
if (flag_pic)
{
fprintf (file, "\tjmp *");
assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0));
fprintf (file, "@GOTPCREL(%%rip)\n");
}
else
{
fprintf (file, "\tjmp ");
assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0));
fprintf (file, "\n");
}
}
else
{
if (parm)
xops[1] = gen_rtx_REG (SImode, 0);
else if (aggregate_value_p (TREE_TYPE (TREE_TYPE (function))))
xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 8));
else
xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 4));
output_asm_insn ("add{l} {%0, %1|%1, %0}", xops);
if (flag_pic)
{
xops[0] = pic_offset_table_rtx;
xops[1] = gen_label_rtx ();
xops[2] = gen_rtx_SYMBOL_REF (Pmode, "_GLOBAL_OFFSET_TABLE_");
if (ix86_regparm > 2)
abort ();
output_asm_insn ("push{l}\t%0", xops);
output_asm_insn ("call\t%P1", xops);
ASM_OUTPUT_INTERNAL_LABEL (file, "L", CODE_LABEL_NUMBER (xops[1]));
output_asm_insn ("pop{l}\t%0", xops);
output_asm_insn
("add{l}\t{%2+[.-%P1], %0|%0, OFFSET FLAT: %2+[.-%P1]}", xops);
xops[0] = gen_rtx_MEM (SImode, XEXP (DECL_RTL (function), 0));
output_asm_insn
("mov{l}\t{%0@GOT(%%ebx), %%ecx|%%ecx, %0@GOT[%%ebx]}", xops);
asm_fprintf (file, "\tpop{l\t%%ebx|\t%%ebx}\n");
asm_fprintf (file, "\tjmp\t{*%%ecx|%%ecx}\n");
}
else
{
fprintf (file, "\tjmp ");
assemble_name (file, XSTR (XEXP (DECL_RTL (function), 0), 0));
fprintf (file, "\n");
}
}
}

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@ -2555,17 +2555,16 @@
;; We fake an second form of instruction to force reload to load address
;; into register when rax is not available
(define_insn "*movabsdi_1_rex64"
[(set (mem:DI (match_operand:DI 0 "x86_64_movabs_operand" "i,r,r"))
(match_operand:DI 1 "nonmemory_operand" "a,er,i"))]
[(set (mem:DI (match_operand:DI 0 "x86_64_movabs_operand" "i,r"))
(match_operand:DI 1 "nonmemory_operand" "a,er"))]
"TARGET_64BIT"
"@
movabs{q}\t{%1, %P0|%P0, %1}
mov{q}\t{%1, %a0|%a0, %1}
movabs{q}\t{%1, %a0|%a0, %1}"
mov{q}\t{%1, %a0|%a0, %1}"
[(set_attr "type" "imov")
(set_attr "modrm" "0,*,*")
(set_attr "length_address" "8,0,0")
(set_attr "length_immediate" "0,*,*")
(set_attr "modrm" "0,*")
(set_attr "length_address" "8,0")
(set_attr "length_immediate" "0,*")
(set_attr "memory" "store")
(set_attr "mode" "DI")])

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@ -79,57 +79,5 @@ Boston, MA 02111-1307, USA. */
/* Output code to add DELTA to the first argument, and then jump to FUNCTION.
Used for C++ multiple inheritance. */
#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \
do { \
tree parm; \
rtx xops[3]; \
\
if (ix86_regparm > 0) \
parm = TYPE_ARG_TYPES (TREE_TYPE (function)); \
else \
parm = NULL_TREE; \
for (; parm; parm = TREE_CHAIN (parm)) \
if (TREE_VALUE (parm) == void_type_node) \
break; \
\
xops[0] = GEN_INT (DELTA); \
if (parm) \
xops[1] = gen_rtx_REG (SImode, 0); \
else if (aggregate_value_p (TREE_TYPE (TREE_TYPE (FUNCTION)))) \
xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 8)); \
else \
xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 4)); \
output_asm_insn ("add{l} {%0, %1|%1, %0}", xops); \
\
if (flag_pic && !TARGET_64BIT) \
{ \
xops[0] = pic_offset_table_rtx; \
xops[1] = gen_label_rtx (); \
xops[2] = gen_rtx_SYMBOL_REF (Pmode, "_GLOBAL_OFFSET_TABLE_"); \
\
if (ix86_regparm > 2) \
abort (); \
output_asm_insn ("push{l}\t%0", xops); \
output_asm_insn ("call\t%P1", xops); \
ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", CODE_LABEL_NUMBER (xops[1])); \
output_asm_insn ("pop{l}\t%0", xops); \
output_asm_insn ("add{l}\t{%2+[.-%P1], %0|%0, OFFSET FLAT: %2+[.-%P1]}", xops); \
xops[0] = gen_rtx_MEM (SImode, XEXP (DECL_RTL (FUNCTION), 0)); \
output_asm_insn ("mov{l}\t{%0@GOT(%%ebx), %%ecx|%%ecx, %0@GOT[%%ebx]}",\
xops); \
asm_fprintf (FILE, "\tpop{l\t%%ebx|\t%%ebx}\n"); \
asm_fprintf (FILE, "\tjmp\t{*%%ecx|%%ecx}\n"); \
} \
else if (flag_pic && TARGET_64BIT) \
{ \
fprintf (FILE, "\tjmp *"); \
assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \
fprintf (FILE, "@GOTPCREL(%%rip)\n"); \
} \
else \
{ \
fprintf (FILE, "\tjmp "); \
assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \
fprintf (FILE, "\n"); \
} \
} while (0)
#define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \
x86_output_mi_thunk (FILE, DELTA, FUNCTION);

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@ -1943,7 +1943,8 @@ output_call_frame_info (for_eh)
fde = &fde_table[i];
/* Don't emit EH unwind info for leaf functions that don't need it. */
if (for_eh && fde->nothrow && ! fde->uses_eh_lsda)
if (!flag_asynchronous_unwind_tables && for_eh && fde->nothrow
&& ! fde->uses_eh_lsda)
continue;
ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, FDE_LABEL, for_eh + i * 2);

View File

@ -4039,6 +4039,7 @@ emit_prefetch_instructions (loop)
int bytes_ahead = PREFETCH_BLOCK * (ahead + y);
rtx before_insn = info[i].giv->insn;
rtx prev_insn = PREV_INSN (info[i].giv->insn);
rtx seq;
/* We can save some effort by offsetting the address on
architectures with offsettable memory references. */
@ -4053,14 +4054,17 @@ emit_prefetch_instructions (loop)
loc = reg;
}
start_sequence ();
/* Make sure the address operand is valid for prefetch. */
if (! (*insn_data[(int)CODE_FOR_prefetch].operand[0].predicate)
(loc,
insn_data[(int)CODE_FOR_prefetch].operand[0].mode))
loc = force_reg (Pmode, loc);
emit_insn_before (gen_prefetch (loc, GEN_INT (info[i].write),
GEN_INT (3)),
before_insn);
emit_insn (gen_prefetch (loc, GEN_INT (info[i].write),
GEN_INT (3)));
seq = gen_sequence ();
end_sequence ();
emit_insn_before (seq, before_insn);
/* Check all insns emitted and record the new GIV
information. */