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riscv-gcc-1
Commit 3bd380b1 by Vladimir Makarov
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[multiple changes] 

Thu Jan 11 18:37:50 1999  Vladimir N. Makarov  <vmakarov@cygnus.com>
	* invoke.texi (-mcpu=740, -mcpu=750): New options.
        (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
	PPC750.
1999-01-11  Michael Meissner  <meissner@cygnus.com>
	* config/rs6000/rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all
	machines supported with -mcpu=xxx.
	(processor_type): Add PROCESSOR_PPC750.
	(ADJUST_PRIORITY): Call rs6000_adjust_priority.
	(RTX_COSTS): Supply costs for 750 multiply/divide operations.
	(rs6000_adjust_priority): Add declaration.
	* config/rs6000/rs6000.c (rs6000_override_options):
	-mcpu={750,740} now sets the processor type as 750, not 603.
	Allow -mmultiple and -mstring on little endian 750 systems.
	(rs6000_adjust_priority): Stub for now.
	(get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
	* config/rs6000/rs6000.md (function/cpu attributes): Add initial
	ppc750 support.
	* config/rs6000/sysv4.h (STRICT_ALIGNMENT): Don't force strict
	alignment if little endian.
	(CC1_SPEC): Pass -mstrict-align if little endian, and not
	overridden.
	(CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
	(SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
	* config/rs6000/{sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC):
	Override, default is little endian.
	* config/rs6000/t-ppcgas (MULTILIB_*): Delete obsolete Solaris
	multilibs.

From-SVN: r24654
parent c11145f6
Showing with 260 additions and 148 deletions
gcc/ChangeLog
Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
* config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
before generating a call to abort for volatile functions.
* config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
(TARGET_ABORT_NORETURN): Define.
(abort-on-noreturn): New option.
Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
Remove prototype which we get from libiberty.h.
* collect2.c (xstrdup): Likewise.
* genextract.c (xstrdup): Likewise for `copystr'.
(mybzero): Remove it and use `memset' instead.
* genoutput.c (mybcopy, mybzero): Remove these. All callers changed
to use `memcpy' and `memset' instead.
* genrecog.c (xstrdup): Renamed from `copystr'. All callers
changed. Remove prototype.
(mybcopy, mybzero): Remove these and use memcpy/memset.
Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
* mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
generating code for TARGET_64BIT.
Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
* rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
HOST_WIDE_INT word-size.
(rs6000_stack_info): Remove redundant alignment of fpmem.
Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
* rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
(u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
(input_operand): Adjust CONSTANT_P_RTX handling.
* rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
* rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
(movhi, movqi): Remove CONSANT_P_RTX handling.
(movdi): Adjust CONSTANT_P_RTX handling.
Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
* mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
* m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
......@@ -107,6 +57,43 @@ Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
* graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
* regmove.c, reload1.c, reorg.c, sched.c: Likewise.
Thu Jan 11 18:37:50 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
* invoke.texi (-mcpu=740, -mcpu=750): New options.
(-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
PPC750.
1999-01-11 Michael Meissner <meissner@cygnus.com>
* config/rs6000/rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all
machines supported with -mcpu=xxx.
(processor_type): Add PROCESSOR_PPC750.
(ADJUST_PRIORITY): Call rs6000_adjust_priority.
(RTX_COSTS): Supply costs for 750 multiply/divide operations.
(rs6000_adjust_priority): Add declaration.
* config/rs6000/rs6000.c (rs6000_override_options):
-mcpu={750,740} now sets the processor type as 750, not 603.
Allow -mmultiple and -mstring on little endian 750 systems.
(rs6000_adjust_priority): Stub for now.
(get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
* config/rs6000/rs6000.md (function/cpu attributes): Add initial
ppc750 support.
* config/rs6000/sysv4.h (STRICT_ALIGNMENT): Don't force strict
alignment if little endian.
(CC1_SPEC): Pass -mstrict-align if little endian, and not
overridden.
(CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
(SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
* config/rs6000/{sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC):
Override, default is little endian.
* config/rs6000/t-ppcgas (MULTILIB_*): Delete obsolete Solaris
multilibs.
Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* gcc.c (xstrerror): Renamed from my_strerror. All callers
......
gcc/config/rs6000/eabile.h
......@@ -28,6 +28,9 @@ Boston, MA 02111-1307, USA. */
#undef CPP_ENDIAN_DEFAULT_SPEC
#define CPP_ENDIAN_DEFAULT_SPEC "%(cpp_endian_little)"
#undef CC1_ENDIAN_DEFAULT_SPEC
#define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_little)"
#undef LINK_TARGET_SPEC
#define LINK_TARGET_SPEC "\
%{mbig: -oformat elf32-powerpc } %{mbig-endian: -oformat elf32-powerpc } \
......
gcc/config/rs6000/rs6000.c
......@@ -234,6 +234,12 @@ rs6000_override_options (default_cpu)
{"620", PROCESSOR_PPC620,
MASK_POWERPC | MASK_PPC_GFXOPT | MASK_NEW_MNEMONICS,
POWER_MASKS | MASK_PPC_GPOPT},
{"740", PROCESSOR_PPC750,
MASK_POWERPC | MASK_PPC_GFXOPT | MASK_NEW_MNEMONICS,
POWER_MASKS | MASK_PPC_GPOPT | MASK_POWERPC64},
{"750", PROCESSOR_PPC750,
MASK_POWERPC | MASK_PPC_GFXOPT | MASK_NEW_MNEMONICS,
POWER_MASKS | MASK_PPC_GPOPT | MASK_POWERPC64},
{"801", PROCESSOR_MPCCORE,
MASK_POWERPC | MASK_SOFT_FLOAT | MASK_NEW_MNEMONICS,
POWER_MASKS | POWERPC_OPT_MASKS | MASK_POWERPC64},
......@@ -297,9 +303,12 @@ rs6000_override_options (default_cpu)
if (TARGET_STRING_SET)
target_flags = (target_flags & ~MASK_STRING) | string;
/* Don't allow -mmultiple or -mstring on little endian systems, because the
hardware doesn't support the instructions used in little endian mode */
if (!BYTES_BIG_ENDIAN)
/* Don't allow -mmultiple or -mstring on little endian systems unless the cpu
is a 750, because the hardware doesn't support the instructions used in
little endian mode, and causes an alignment trap. The 750 does not cause
an alignment trap (except when the target is unaligned). */
if (!BYTES_BIG_ENDIAN && rs6000_cpu != PROCESSOR_PPC750)
{
if (TARGET_MULTIPLE)
{
......@@ -497,7 +506,8 @@ short_cint_operand (op, mode)
enum machine_mode mode ATTRIBUTE_UNUSED;
{
return ((GET_CODE (op) == CONST_INT
&& (unsigned HOST_WIDE_INT) (INTVAL (op) + 0x8000) < 0x10000));
&& (unsigned HOST_WIDE_INT) (INTVAL (op) + 0x8000) < 0x10000)
|| GET_CODE (op) == CONSTANT_P_RTX);
}
/* Similar for a unsigned D field. */
......@@ -508,7 +518,8 @@ u_short_cint_operand (op, mode)
enum machine_mode mode ATTRIBUTE_UNUSED;
{
return ((GET_CODE (op) == CONST_INT
&& (INTVAL (op) & (~ (HOST_WIDE_INT) 0xffff)) == 0));
&& (INTVAL (op) & (~ (HOST_WIDE_INT) 0xffff)) == 0)
|| GET_CODE (op) == CONSTANT_P_RTX);
}
/* Return 1 if OP is a CONST_INT that cannot fit in a signed D field. */
......@@ -596,6 +607,7 @@ reg_or_cint_operand (op, mode)
enum machine_mode mode;
{
return (GET_CODE (op) == CONST_INT
|| GET_CODE (op) == CONSTANT_P_RTX
|| gpc_reg_operand (op, mode));
}
......@@ -880,7 +892,8 @@ logical_operand (op, mode)
return (gpc_reg_operand (op, mode)
|| (GET_CODE (op) == CONST_INT
&& ((INTVAL (op) & (~ (HOST_WIDE_INT) 0xffff)) == 0
|| (INTVAL (op) & 0xffff) == 0)));
|| (INTVAL (op) & 0xffff) == 0))
|| GET_CODE (op) == CONSTANT_P_RTX);
}
/* Return 1 if C is a constant that is not a logical operand (as
......@@ -1106,10 +1119,6 @@ input_operand (op, mode)
if (memory_operand (op, mode))
return 1;
/* Only a tiny bit of handling for CONSTANT_P_RTX is necessary. */
if (GET_CODE (op) == CONST && GET_CODE (XEXP (op, 0)) == CONSTANT_P_RTX)
return 1;
/* For floating-point, easy constants are valid. */
if (GET_MODE_CLASS (mode) == MODE_FLOAT
&& CONSTANT_P (op)
......@@ -1119,6 +1128,7 @@ input_operand (op, mode)
/* Allow any integer constant. */
if (GET_MODE_CLASS (mode) == MODE_INT
&& (GET_CODE (op) == CONST_INT
|| GET_CODE (op) == CONSTANT_P_RTX
|| GET_CODE (op) == CONST_DOUBLE))
return 1;
......@@ -2746,15 +2756,15 @@ print_operand (file, x, code)
/* If the high bit is set and the low bit is not, the value is zero.
If the high bit is zero, the value is the first 1 bit we find from
the left. */
if ((val & 0x80000000) && ((val & 1) == 0))
if (val < 0 && (val & 1) == 0)
{
putc ('0', file);
return;
}
else if ((val & 0x80000000) == 0)
else if (val >= 0)
{
for (i = 1; i < 32; i++)
if ((val <<= 1) & 0x80000000)
if ((val <<= 1) < 0)
break;
fprintf (file, "%d", i);
return;
......@@ -2781,7 +2791,7 @@ print_operand (file, x, code)
/* If the low bit is set and the high bit is not, the value is 31.
If the low bit is zero, the value is the first 1 bit we find from
the right. */
if ((val & 1) && ((val & 0x80000000) == 0))
if ((val & 1) && val >= 0)
{
fputs ("31", file);
return;
......@@ -2801,7 +2811,7 @@ print_operand (file, x, code)
/* Otherwise, look for the first 0 bit from the left. The result is its
number minus 1. We know the high-order bit is one. */
for (i = 0; i < 32; i++)
if (((val <<= 1) & 0x80000000) == 0)
if ((val <<= 1) >= 0)
break;
fprintf (file, "%d", i);
......@@ -3447,6 +3457,7 @@ rs6000_stack_info ()
}
}
/* Determine if we need to save the link register */
if (regs_ever_live[65]
|| (DEFAULT_ABI == ABI_AIX && profile_flag)
......@@ -3473,6 +3484,13 @@ rs6000_stack_info ()
info_ptr->cr_size = reg_size;
}
/* Ensure that fp_save_offset will be aligned to an 8-byte boundary. */
if (info_ptr->fpmem_p)
{
info_ptr->gp_size = RS6000_ALIGN (info_ptr->gp_size, 8);
info_ptr->main_size = RS6000_ALIGN (info_ptr->main_size, 8);
}
/* Determine various sizes */
info_ptr->reg_size = reg_size;
info_ptr->fixed_size = RS6000_SAVE_AREA;
......@@ -3526,7 +3544,6 @@ rs6000_stack_info ()
break;
}
/* Ensure that fpmem_offset will be aligned to an 8-byte boundary. */
if (info_ptr->fpmem_p
&& (info_ptr->main_save_offset - info_ptr->fpmem_size) % 8)
info_ptr->fpmem_size += reg_size;
......@@ -5118,6 +5135,48 @@ rs6000_adjust_cost (insn, link, dep_insn, cost)
return cost;
}
/* A C statement (sans semicolon) to update the integer scheduling priority
INSN_PRIORITY (INSN). Reduce the priority to execute the INSN earlier,
increase the priority to execute INSN later. Do not define this macro if
you do not need to adjust the scheduling priorities of insns. */
int
rs6000_adjust_priority (insn, priority)
rtx insn;
int priority;
{
/* On machines (like the 750) which have asymetric integer units, where one
integer unit can do multiply and divides and the other can't, reduce the
priority of multiply/divide so it is scheduled before other integer
operationss. */
#if 0
if (GET_RTX_CLASS (GET_CODE (insn)) != 'i')
return priority;
if (GET_CODE (PATTERN (insn)) == USE)
return priority;
switch (rs6000_cpu_attr) {
case CPU_PPC750:
switch (get_attr_type (insn))
{
default:
break;
case TYPE_IMUL:
case TYPE_IDIV:
fprintf (stderr, "priority was %#x (%d) before adjustment\n", priority, priority);
if (priority >= 0 && priority < 0x01000000)
priority >>= 3;
break;
}
}
#endif
return priority;
}
/* Return how many instructions the machine can issue per cycle */
int get_issue_rate()
{
......@@ -5130,6 +5189,8 @@ int get_issue_rate()
return 3; /* ? */
case CPU_PPC603:
return 2;
case CPU_PPC750:
return 2;
case CPU_PPC604:
return 4;
case CPU_PPC620:
......
gcc/config/rs6000/rs6000.h
/* Definitions of target machine for GNU compiler, for IBM RS/6000.
Copyright (C) 1992, 93-8, 1999 Free Software Foundation, Inc.
Copyright (C) 1992, 93-7, 1998 Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
This file is part of GNU CC.
......@@ -81,6 +81,9 @@ Boston, MA 02111-1307, USA. */
%{mcpu=604: -D_ARCH_PPC} \
%{mcpu=604e: -D_ARCH_PPC} \
%{mcpu=620: -D_ARCH_PPC} \
%{mcpu=740: -D_ARCH_PPC} \
%{mcpu=750: -D_ARCH_PPC} \
%{mcpu=801: -D_ARCH_PPC} \
%{mcpu=821: -D_ARCH_PPC} \
%{mcpu=823: -D_ARCH_PPC} \
%{mcpu=860: -D_ARCH_PPC}"
......@@ -134,6 +137,8 @@ Boston, MA 02111-1307, USA. */
%{mcpu=604: -mppc} \
%{mcpu=604e: -mppc} \
%{mcpu=620: -mppc} \
%{mcpu=740: -mppc} \
%{mcpu=750: -mppc} \
%{mcpu=821: -mppc} \
%{mcpu=823: -mppc} \
%{mcpu=860: -mppc}"
......@@ -391,15 +396,18 @@ extern int target_flags;
/* Processor type. Order must match cpu attribute in MD file. */
enum processor_type
{PROCESSOR_RIOS1,
PROCESSOR_RIOS2,
PROCESSOR_MPCCORE,
PROCESSOR_PPC403,
PROCESSOR_PPC601,
PROCESSOR_PPC603,
PROCESSOR_PPC604,
PROCESSOR_PPC604e,
PROCESSOR_PPC620};
{
PROCESSOR_RIOS1,
PROCESSOR_RIOS2,
PROCESSOR_MPCCORE,
PROCESSOR_PPC403,
PROCESSOR_PPC601,
PROCESSOR_PPC603,
PROCESSOR_PPC604,
PROCESSOR_PPC604e,
PROCESSOR_PPC620,
PROCESSOR_PPC750
};
extern enum processor_type rs6000_cpu;
......@@ -855,6 +863,14 @@ extern int rs6000_debug_arg; /* debug argument handling */
#define ADJUST_COST(INSN,LINK,DEP_INSN,COST) \
(COST) = rs6000_adjust_cost (INSN,LINK,DEP_INSN,COST)
/* A C statement (sans semicolon) to update the integer scheduling priority
INSN_PRIORITY (INSN). Reduce the priority to execute the INSN earlier,
increase the priority to execute INSN later. Do not define this macro if
you do not need to adjust the scheduling priorities of insns. */
#define ADJUST_PRIORITY(INSN) \
INSN_PRIORITY (INSN) = rs6000_adjust_priority (INSN, INSN_PRIORITY (INSN))
/* Define this macro to change register usage conditional on target flags.
Set MQ register fixed (already call_used) if not POWER architecture
(RIOS1, RIOS2, RSC, and PPC601) so that it will not be allocated.
......@@ -2280,6 +2296,7 @@ do { \
case PROCESSOR_PPC601: \
return COSTS_N_INSNS (5); \
case PROCESSOR_PPC603: \
case PROCESSOR_PPC750: \
return (GET_CODE (XEXP (X, 1)) != CONST_INT \
? COSTS_N_INSNS (5) \
: INTVAL (XEXP (X, 1)) >= -256 && INTVAL (XEXP (X, 1)) <= 255 \
......@@ -2315,6 +2332,8 @@ do { \
case PROCESSOR_PPC604e: \
case PROCESSOR_PPC620: \
return COSTS_N_INSNS (20); \
case PROCESSOR_PPC750: \
return COSTS_N_INSNS (19); \
} \
case FFS: \
return COSTS_N_INSNS (4); \
......@@ -3169,15 +3188,15 @@ do { \
/* Define the codes that are matched by predicates in rs6000.c. */
#define PREDICATE_CODES \
{"short_cint_operand", {CONST_INT}}, \
{"u_short_cint_operand", {CONST_INT}}, \
{"short_cint_operand", {CONST_INT, CONSTANT_P_RTX}}, \
{"u_short_cint_operand", {CONST_INT, CONSTANT_P_RTX}}, \
{"non_short_cint_operand", {CONST_INT}}, \
{"gpc_reg_operand", {SUBREG, REG}}, \
{"cc_reg_operand", {SUBREG, REG}}, \
{"reg_or_short_operand", {SUBREG, REG, CONST_INT}}, \
{"reg_or_short_operand", {SUBREG, REG, CONST_INT, CONSTANT_P_RTX}}, \
{"reg_or_neg_short_operand", {SUBREG, REG, CONST_INT}}, \
{"reg_or_u_short_operand", {SUBREG, REG, CONST_INT}}, \
{"reg_or_cint_operand", {SUBREG, REG, CONST_INT}}, \
{"reg_or_u_short_operand", {SUBREG, REG, CONST_INT, CONSTANT_P_RTX}}, \
{"reg_or_cint_operand", {SUBREG, REG, CONST_INT, CONSTANT_P_RTX}}, \
{"got_operand", {SYMBOL_REF, CONST, LABEL_REF}}, \
{"got_no_const_operand", {SYMBOL_REF, LABEL_REF}}, \
{"easy_fp_constant", {CONST_DOUBLE}}, \
......@@ -3186,11 +3205,12 @@ do { \
{"volatile_mem_operand", {MEM}}, \
{"offsettable_addr_operand", {REG, SUBREG, PLUS}}, \
{"mem_or_easy_const_operand", {SUBREG, MEM, CONST_DOUBLE}}, \
{"add_operand", {SUBREG, REG, CONST_INT}}, \
{"add_operand", {SUBREG, REG, CONST_INT, CONSTANT_P_RTX}}, \
{"non_add_cint_operand", {CONST_INT}}, \
{"and_operand", {SUBREG, REG, CONST_INT}}, \
{"and64_operand", {SUBREG, REG, CONST_INT, CONST_DOUBLE}}, \
{"logical_operand", {SUBREG, REG, CONST_INT}}, \
{"and_operand", {SUBREG, REG, CONST_INT, CONSTANT_P_RTX}}, \
{"and64_operand", {SUBREG, REG, CONST_INT, CONSTANT_P_RTX, \
CONST_DOUBLE}}, \
{"logical_operand", {SUBREG, REG, CONST_INT, CONSTANT_P_RTX}}, \
{"non_logical_cint_operand", {CONST_INT}}, \
{"mask_operand", {CONST_INT}}, \
{"mask64_operand", {CONST_INT, CONST_DOUBLE}}, \
......@@ -3198,7 +3218,7 @@ do { \
{"fpmem_operand", {REG}}, \
{"call_operand", {SYMBOL_REF, REG}}, \
{"current_file_function_operand", {SYMBOL_REF}}, \
{"input_operand", {SUBREG, MEM, REG, CONST_INT, \
{"input_operand", {SUBREG, MEM, REG, CONST_INT, CONSTANT_P_RTX, \
CONST_DOUBLE, SYMBOL_REF}}, \
{"load_multiple_operation", {PARALLEL}}, \
{"store_multiple_operation", {PARALLEL}}, \
......@@ -3306,6 +3326,7 @@ extern void output_ascii ();
extern void rs6000_gen_section_name ();
extern void output_function_profiler ();
extern int rs6000_adjust_cost ();
extern int rs6000_adjust_priority ();
extern void rs6000_trampoline_template ();
extern int rs6000_trampoline_size ();
extern void rs6000_initialize_trampoline ();
......
gcc/config/rs6000/rs6000.md
;; Machine description for IBM RISC System 6000 (POWER) for GNU C compiler
;; Copyright (C) 1990, 91-98, 1999 Free Software Foundation, Inc.
;; Copyright (C) 1990, 91-97, 1998 Free Software Foundation, Inc.
;; Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
;; This file is part of GNU CC.
......@@ -40,7 +40,7 @@
;; Processor type -- this attribute must exactly match the processor_type
;; enumeration in rs6000.h.
(define_attr "cpu" "rios1,rios2,mpccore,ppc403,ppc601,ppc603,ppc604,ppc604e,ppc620"
(define_attr "cpu" "rios1,rios2,mpccore,ppc403,ppc601,ppc603,ppc604,ppc604e,ppc620,ppc750"
(const (symbol_ref "rs6000_cpu_attr")))
; (define_function_unit NAME MULTIPLICITY SIMULTANEITY
......@@ -50,17 +50,17 @@
; (POWER and 601 use Integer Unit)
(define_function_unit "lsu" 1 0
(and (eq_attr "type" "load")
(eq_attr "cpu" "mpccore,ppc603,ppc604,ppc604e,ppc620"))
(eq_attr "cpu" "mpccore,ppc603,ppc604,ppc604e,ppc620,ppc750"))
2 1)
(define_function_unit "lsu" 1 0
(and (eq_attr "type" "store,fpstore")
(eq_attr "cpu" "mpccore,ppc603,ppc604,ppc604e,ppc620"))
(eq_attr "cpu" "mpccore,ppc603,ppc604,ppc604e,ppc620,ppc750"))
1 1)
(define_function_unit "lsu" 1 0
(and (eq_attr "type" "fpload")
(eq_attr "cpu" "mpccore,ppc603"))
(eq_attr "cpu" "mpccore,ppc603,ppc750"))
2 1)
(define_function_unit "lsu" 1 0
......@@ -68,6 +68,31 @@
(eq_attr "cpu" "ppc604,ppc604e,ppc620"))
3 1)
; PPC750 has two integer units: a primary one which can perform all
; operations and a secondary one which is fed in lock step with the first
; and can perform "simple" integer operations.
; To catch this we define a 'dummy' imuldiv-unit that is also needed
; for the complex insns.
(define_function_unit "iu2" 2 0
(and (eq_attr "type" "integer")
(eq_attr "cpu" "ppc750"))
1 1)
(define_function_unit "iu2" 2 0
(and (eq_attr "type" "imul")
(eq_attr "cpu" "ppc750"))
4 2)
(define_function_unit "imuldiv" 1 0
(and (eq_attr "type" "imul")
(eq_attr "cpu" "ppc750"))
4 2)
(define_function_unit "imuldiv" 1 0
(and (eq_attr "type" "idiv")
(eq_attr "cpu" "ppc750"))
19 19)
(define_function_unit "iu" 1 0
(and (eq_attr "type" "load")
(eq_attr "cpu" "rios1,ppc403,ppc601"))
......@@ -218,7 +243,7 @@
(define_function_unit "iu" 1 0
(and (eq_attr "type" "compare,delayed_compare")
(eq_attr "cpu" "mpccore,ppc403,ppc601,ppc603,ppc604,ppc604e,ppc620"))
(eq_attr "cpu" "mpccore,ppc403,ppc601,ppc603,ppc604,ppc604e,ppc620,ppc750"))
3 1)
(define_function_unit "iu2" 2 0
......@@ -228,7 +253,7 @@
(define_function_unit "iu2" 2 0
(and (eq_attr "type" "compare,delayed_compare")
(eq_attr "cpu" "ppc604,ppc604e,ppc620"))
(eq_attr "cpu" "ppc604,ppc604e,ppc620,ppc750"))
1 1)
; fp compare uses fp unit
......@@ -255,7 +280,7 @@
; fp compare uses fp unit
(define_function_unit "fpu" 1 0
(and (eq_attr "type" "fpcompare")
(eq_attr "cpu" "ppc601,ppc603,ppc604,ppc604e,ppc620"))
(eq_attr "cpu" "ppc601,ppc603,ppc604,ppc604e,ppc620,ppc750"))
5 1)
(define_function_unit "fpu" 1 0
......@@ -270,7 +295,7 @@
(define_function_unit "bpu" 1 0
(and (eq_attr "type" "mtjmpr")
(eq_attr "cpu" "mpccore,ppc403,ppc601,ppc603,ppc604,ppc604e,ppc620"))
(eq_attr "cpu" "mpccore,ppc403,ppc601,ppc603,ppc604,ppc604e,ppc620,ppc750"))
4 1)
; all jumps/branches are executing on the bpu, in 1 cycle, for all machines.
......@@ -300,7 +325,7 @@
(define_function_unit "fpu" 1 0
(and (eq_attr "type" "fp")
(eq_attr "cpu" "ppc603,ppc604,ppc604e,ppc620"))
(eq_attr "cpu" "ppc603,ppc604,ppc604e,ppc620,ppc750"))
3 1)
(define_function_unit "fpu" 1 0
......@@ -316,7 +341,7 @@
; is this true?
(define_function_unit "fpu" 1 0
(and (eq_attr "type" "dmul")
(eq_attr "cpu" "ppc603"))
(eq_attr "cpu" "ppc603,ppc750"))
4 2)
(define_function_unit "fpu" 1 0
......@@ -351,7 +376,7 @@
(define_function_unit "fpu" 1 0
(and (eq_attr "type" "ddiv")
(eq_attr "cpu" "ppc601,ppc604,ppc604e,ppc620"))
(eq_attr "cpu" "ppc601,ppc604,ppc604e,ppc620,ppc750"))
31 31)
(define_function_unit "fpu" 1 0
......@@ -5399,14 +5424,6 @@
if (GET_CODE (operands[1]) == CONST_DOUBLE)
operands[1] = GEN_INT (CONST_DOUBLE_LOW (operands[1]));
/* Only a tiny bit of handling for CONSTANT_P_RTX is necessary. */
if (GET_CODE (operands[1]) == CONST
&& GET_CODE (XEXP (operands[1], 0)) == CONSTANT_P_RTX)
{
emit_insn (gen_rtx_SET (VOIDmode, operands[0], operands[1]));
DONE;
}
/* Use default pattern for address of ELF small data */
if (TARGET_ELF
&& (DEFAULT_ABI == ABI_V4 || DEFAULT_ABI == ABI_SOLARIS)
......@@ -5428,7 +5445,8 @@
&& !flag_pic
&& CONSTANT_P (operands[1])
&& GET_CODE (operands[1]) != HIGH
&& GET_CODE (operands[1]) != CONST_INT)
&& GET_CODE (operands[1]) != CONST_INT
&& GET_CODE (operands[1]) != CONSTANT_P_RTX)
{
rtx target = (reload_completed || reload_in_progress)
? operands[0] : gen_reg_rtx (SImode);
......@@ -5482,6 +5500,7 @@
if ((!TARGET_WINDOWS_NT || DEFAULT_ABI != ABI_NT)
&& CONSTANT_P (operands[1])
&& GET_CODE (operands[1]) != CONST_INT
&& GET_CODE (operands[1]) != CONSTANT_P_RTX
&& GET_CODE (operands[1]) != HIGH
&& ! LEGITIMATE_CONSTANT_POOL_ADDRESS_P (operands[1]))
{
......@@ -5580,7 +5599,8 @@
operands[1] = force_reg (HImode, operands[1]);
if (CONSTANT_P (operands[1])
&& GET_CODE (operands[1]) != CONST_INT)
&& GET_CODE (operands[1]) != CONST_INT
&& GET_CODE (operands[1]) != CONSTANT_P_RTX)
{
operands[1] = force_const_mem (HImode, operands[1]);
if (! memory_address_p (HImode, XEXP (operands[1], 0))
......@@ -5616,7 +5636,8 @@
operands[1] = force_reg (QImode, operands[1]);
if (CONSTANT_P (operands[1])
&& GET_CODE (operands[1]) != CONST_INT)
&& GET_CODE (operands[1]) != CONST_INT
&& GET_CODE (operands[1]) != CONSTANT_P_RTX)
{
operands[1] = force_const_mem (QImode, operands[1]);
if (! memory_address_p (QImode, XEXP (operands[1], 0))
......@@ -6016,18 +6037,11 @@
)
operands[1] = GEN_INT (CONST_DOUBLE_LOW (operands[1]));
/* Only a tiny bit of handling for CONSTANT_P_RTX is necessary. */
if (GET_CODE (operands[1]) == CONST
&& GET_CODE (XEXP (operands[1], 0)) == CONSTANT_P_RTX)
{
emit_insn (gen_rtx_SET (VOIDmode, operands[0], operands[1]));
DONE;
}
if (TARGET_64BIT
&& CONSTANT_P (operands[1])
#if HOST_BITS_PER_WIDE_INT == 32
&& GET_CODE (operands[1]) != CONST_INT
&& GET_CODE (operands[1]) != CONSTANT_P_RTX
#endif
&& ! easy_fp_constant (operands[1], DImode)
&& ! LEGITIMATE_CONSTANT_POOL_ADDRESS_P (operands[1]))
......
gcc/config/rs6000/sysv4.h
......@@ -393,12 +393,9 @@ do { \
/* Define this macro to be the value 1 if instructions will fail to
work if given data not on the nominal alignment. If instructions
will merely go slower in that case, define this macro as 0.
Note, little endian systems trap on unaligned addresses, so never
turn off strict alignment in that case. */
will merely go slower in that case, define this macro as 0. */
#undef STRICT_ALIGNMENT
#define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN || TARGET_LITTLE_ENDIAN)
#define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)
/* Alignment in bits of the stack boundary. Note, in order to allow building
one set of libraries with -mno-eabi instead of eabi libraries and non-eabi
......@@ -975,16 +972,38 @@ do { \
%{memb} %{!memb: %{msdata: -memb} %{msdata=eabi: -memb}} \
%{mlittle} %{mlittle-endian} %{mbig} %{mbig-endian} \
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
%{mcall-solaris: -mlittle -msolaris} %{mcall-linux: -mbig} }}}}"
%{mcall-solaris: -mlittle -msolaris} \
%{mcall-linux: -mbig} }}}}"
#ifndef CC1_ENDIAN_BIG_SPEC
#define CC1_ENDIAN_BIG_SPEC ""
#endif
#ifndef CC1_ENDIAN_LITTLE_SPEC
#define CC1_ENDIAN_LITTLE_SPEC "\
%{!mstrict-align: %{!mno-strict-align: \
-mstrict-align \
}}"
#endif
#ifndef CC1_ENDIAN_DEFAULT_SPEC
#define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big_spec)"
#endif
#undef CC1_SPEC
/* Pass -G xxx to the compiler and set correct endian mode */
#define CC1_SPEC "%{G*} \
%{mlittle: %(cc1_endian_little)} %{!mlittle: %{mlittle-endian: %(cc1_endian_little)}} \
%{mbig: %(cc1_endian_big)} %{!mbig: %{mbig-endian: %(cc1_endian_big)}} \
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
%{mcall-nt: -mlittle } \
%{mcall-aixdesc: -mbig } \
%{mcall-solaris: -mlittle } \
%{mcall-linux: -mbig} }}}} \
%{mcall-nt: -mlittle %{cc1_endian_little} } \
%{mcall-aixdesc: -mbig %{cc1_endian_big} } \
%{mcall-solaris: -mlittle %{cc1_endian_little} } \
%{mcall-linux: -mbig %{cc1_endian_big}}} \
%{!mcall-nt: %{!mcall-aixdesc: %{!mcall-solaris: %{!mcall-linux: \
%(cc1_endian_default) \
}}}} \
}}} \
%{mcall-solaris: -mregnames } \
%{mno-sdata: -msdata=none } \
%{meabi: %{!mcall-*: -mcall-sysv }} \
......@@ -1068,7 +1087,8 @@ do { \
#undef LINK_TARGET_SPEC
#define LINK_TARGET_SPEC "\
%{mlittle: -oformat elf32-powerpcle } %{mlittle-endian: -oformat elf32-powerpcle } \
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: %{mcall-solaris: -oformat elf32-powerpcle}}}}}"
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
%{mcall-solaris: -oformat elf32-powerpcle}}}}}"
/* Any specific OS flags */
#ifndef LINK_OS_SPEC
......@@ -1419,6 +1439,9 @@ do { \
{ "link_os_linux", LINK_OS_LINUX_SPEC }, \
{ "link_os_solaris", LINK_OS_SOLARIS_SPEC }, \
{ "link_os_default", LINK_OS_DEFAULT_SPEC }, \
{ "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \
{ "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \
{ "cc1_endian_default", CC1_ENDIAN_DEFAULT_SPEC }, \
{ "cpp_endian_big", CPP_ENDIAN_BIG_SPEC }, \
{ "cpp_endian_little", CPP_ENDIAN_LITTLE_SPEC }, \
{ "cpp_endian_solaris", CPP_ENDIAN_SOLARIS_SPEC }, \
......
gcc/config/rs6000/sysv4le.h
......@@ -28,6 +28,9 @@ Boston, MA 02111-1307, USA. */
#undef CPP_ENDIAN_DEFAULT_SPEC
#define CPP_ENDIAN_DEFAULT_SPEC "%(cpp_endian_little)"
#undef CC1_ENDIAN_DEFAULT_SPEC
#define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_little)"
#undef LINK_TARGET_SPEC
#define LINK_TARGET_SPEC "\
%{mbig: -oformat elf32-powerpc } %{mbig-endian: -oformat elf32-powerpc } \
......
gcc/config/rs6000/t-ppcgas
......@@ -3,17 +3,14 @@
MULTILIB_OPTIONS = msoft-float \
mlittle/mbig \
mcall-sysv/mcall-aix/mcall-solaris/mcall-linux
mcall-sysv/mcall-aix/mcall-linux
MULTILIB_DIRNAMES = nof \
le be \
cs ca sol lin
cs ca lin
MULTILIB_EXTRA_OPTS = mrelocatable-lib mno-eabi mstrict-align
MULTILIB_EXCEPTIONS = *mbig/*mcall-solaris* \
*mlittle/*mcall-solaris* \
*msoft-float/*mcall-solaris* \
*mbig/*mcall-linux* \
MULTILIB_EXCEPTIONS = *mbig/*mcall-linux* \
*mlittle/*mcall-linux* \
*msoft-float/*mcall-linux*
......
gcc/invoke.texi
......@@ -4285,13 +4285,13 @@ Set architecture type, register usage, choice of mnemonics, and
instruction scheduling parameters for machine type @var{cpu_type}.
Supported values for @var{cpu_type} are @samp{rs6000}, @samp{rios1},
@samp{rios2}, @samp{rsc}, @samp{601}, @samp{602}, @samp{603},
@samp{603e}, @samp{604}, @samp{604e}, @samp{620}, @samp{power},
@samp{power2}, @samp{powerpc}, @samp{403}, @samp{505}, @samp{801},
@samp{821}, @samp{823}, and @samp{860} and @samp{common}.
@samp{-mcpu=power}, @samp{-mcpu=power2}, and @samp{-mcpu=powerpc}
specify generic POWER, POWER2 and pure PowerPC (i.e., not MPC601)
architecture machine types, with an appropriate, generic processor model
assumed for scheduling purposes.@refill
@samp{603e}, @samp{604}, @samp{604e}, @samp{620}, @samp{740},
@samp{750}, @samp{power}, @samp{power2}, @samp{powerpc}, @samp{403},
@samp{505}, @samp{801}, @samp{821}, @samp{823}, and @samp{860} and
@samp{common}. @samp{-mcpu=power}, @samp{-mcpu=power2}, and
@samp{-mcpu=powerpc} specify generic POWER, POWER2 and pure PowerPC
(i.e., not MPC601) architecture machine types, with an appropriate,
generic processor model assumed for scheduling purposes.@refill
@c overfull hbox here --bob 22 jul96
@c original text between ignore ... end ignore
......@@ -4435,17 +4435,20 @@ instructions and the store multiple word instructions. These
instructions are generated by default on POWER systems, and not
generated on PowerPC systems. Do not use @samp{-mmultiple} on little
endian PowerPC systems, since those instructions do not work when the
processor is in little endian mode.
processor is in little endian mode. The exceptions are PPC740 and
PPC750 which permit the instructions usage in little endian mode.
@item -mstring
@itemx -mno-string
@kindex -mstring
Generate code that uses (does not use) the load string instructions and the
store string word instructions to save multiple registers and do small block
moves. These instructions are generated by default on POWER systems, and not
generated on PowerPC systems. Do not use @samp{-mstring} on little endian
PowerPC systems, since those instructions do not work when the processor is in
little endian mode.
Generate code that uses (does not use) the load string instructions
and the store string word instructions to save multiple registers and
do small block moves. These instructions are generated by default on
POWER systems, and not generated on PowerPC systems. Do not use
@samp{-mstring} on little endian PowerPC systems, since those
instructions do not work when the processor is in little endian mode.
The exceptions are PPC740 and PPC750 which permit the instructions
usage in little endian mode.
@item -mupdate
@itemx -mno-update
......
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