rs6000.opt (-mpower9-fusion): Add new switches for ISA 3.0 (power9).

2015-11-09  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.opt (-mpower9-fusion): Add new switches for
	ISA 3.0 (power9).
	(-mpower9-vector): Likewise.
	(-mpower9-dform): Likewise.
	(-mpower9-minmax): Likewise.
	(-mtoc-fusion): Likewise.
	(-mmodulo): Likewise.
	(-mfloat128-hardware): Likewise.

	* config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add option
	mask for ISA 3.0 (power9).
	(POWERPC_MASKS): Add new ISA 3.0 switches.
	(power9 cpu): Add power9 cpu.

	* config/rs6000/rs6000.h (ASM_CPU_POWER9_SPEC): Add support for
	power9.
	(ASM_CPU_SPEC): Likewise.
	(EXTRA_SPECS): Likewise.

	* config/rs6000/rs6000-opts.h (enum processor_type): Add
	PROCESSOR_POWER9.

	* config/rs6000/rs6000.c (power9_cost): Initial cost setup for
	power9.
	(rs6000_debug_reg_global): Add support for power9 fusion.
	(rs6000_setup_reg_addr_masks): Cache mode size.
	(rs6000_option_override_internal): Until real power9 tuning is
	added, use -mtune=power8 for -mcpu=power9.
	(rs6000_setup_reg_addr_masks): Do not allow pre-increment,
	pre-decrement, or pre-modify on SFmode/DFmode if we allow the use
	of Altivec registers.
	(rs6000_option_override_internal): Add support for ISA 3.0
	switches.
	(rs6000_loop_align): Add support for power9 cpu.
	(rs6000_file_start): Likewise.
	(rs6000_adjust_cost): Likewise.
	(rs6000_issue_rate): Likewise.
	(insn_must_be_first_in_group): Likewise.
	(insn_must_be_last_in_group): Likewise.
	(force_new_group): Likewise.
	(rs6000_register_move_cost): Likewise.
	(rs6000_opt_masks): Likewise.

	* config/rs6000/rs6000.md (cpu attribute): Add power9.
	* config/rs6000/rs6000-tables.opt: Regenerate.

	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
	_ARCH_PWR9 if power9 support is available.

	* config/rs6000/aix61.h (ASM_CPU_SPEC): Add power9.
	* config/rs6000/aix53.h (ASM_CPU_SPEC): Likewise.

	* configure.ac: Determine if the assembler supports the ISA 3.0
	instructions.
	* config.in (HAVE_AS_POWER9): Likewise.
	* configure: Regenerate.

	* doc/invoke.texi (RS/6000 and PowerPC Options): Document ISA 3.0
	switches.

From-SVN: r230031
This commit is contained in:
Michael Meissner 2015-11-09 16:56:22 +00:00 committed by Michael Meissner
parent ee78df47b1
commit d1f0d3769e
15 changed files with 427 additions and 26 deletions

View File

@ -1,3 +1,65 @@
2015-11-09 Michael Meissner <meissner@linux.vnet.ibm.com>
* config/rs6000/rs6000.opt (-mpower9-fusion): Add new switches for
ISA 3.0 (power9).
(-mpower9-vector): Likewise.
(-mpower9-dform): Likewise.
(-mpower9-minmax): Likewise.
(-mtoc-fusion): Likewise.
(-mmodulo): Likewise.
(-mfloat128-hardware): Likewise.
* config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Add option
mask for ISA 3.0 (power9).
(POWERPC_MASKS): Add new ISA 3.0 switches.
(power9 cpu): Add power9 cpu.
* config/rs6000/rs6000.h (ASM_CPU_POWER9_SPEC): Add support for
power9.
(ASM_CPU_SPEC): Likewise.
(EXTRA_SPECS): Likewise.
* config/rs6000/rs6000-opts.h (enum processor_type): Add
PROCESSOR_POWER9.
* config/rs6000/rs6000.c (power9_cost): Initial cost setup for
power9.
(rs6000_debug_reg_global): Add support for power9 fusion.
(rs6000_setup_reg_addr_masks): Cache mode size.
(rs6000_option_override_internal): Until real power9 tuning is
added, use -mtune=power8 for -mcpu=power9.
(rs6000_setup_reg_addr_masks): Do not allow pre-increment,
pre-decrement, or pre-modify on SFmode/DFmode if we allow the use
of Altivec registers.
(rs6000_option_override_internal): Add support for ISA 3.0
switches.
(rs6000_loop_align): Add support for power9 cpu.
(rs6000_file_start): Likewise.
(rs6000_adjust_cost): Likewise.
(rs6000_issue_rate): Likewise.
(insn_must_be_first_in_group): Likewise.
(insn_must_be_last_in_group): Likewise.
(force_new_group): Likewise.
(rs6000_register_move_cost): Likewise.
(rs6000_opt_masks): Likewise.
* config/rs6000/rs6000.md (cpu attribute): Add power9.
* config/rs6000/rs6000-tables.opt: Regenerate.
* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
_ARCH_PWR9 if power9 support is available.
* config/rs6000/aix61.h (ASM_CPU_SPEC): Add power9.
* config/rs6000/aix53.h (ASM_CPU_SPEC): Likewise.
* configure.ac: Determine if the assembler supports the ISA 3.0
instructions.
* config.in (HAVE_AS_POWER9): Likewise.
* configure: Regenerate.
* doc/invoke.texi (RS/6000 and PowerPC Options): Document ISA 3.0
switches.
2015-11-09 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64.c (aarch64_simd_valid_immediate):

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@ -556,6 +556,12 @@
#endif
/* Define if your assembler supports POWER9 instructions. */
#ifndef USED_FOR_TARGET
#undef HAVE_AS_POWER9
#endif
/* Define if your assembler supports .ref */
#ifndef USED_FOR_TARGET
#undef HAVE_AS_REF

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@ -63,6 +63,7 @@ do { \
%{mcpu=power6x: -mpwr6} \
%{mcpu=power7: -mpwr7} \
%{mcpu=power8: -mpwr8} \
%{mcpu=power9: -mpwr9} \
%{mcpu=powerpc: -mppc} \
%{mcpu=rs64a: -mppc} \
%{mcpu=603: -m603} \

View File

@ -80,6 +80,7 @@ do { \
%{mcpu=power6x: -mpwr6} \
%{mcpu=power7: -mpwr7} \
%{mcpu=power8: -mpwr8} \
%{mcpu=power9: -mpwr9} \
%{mcpu=powerpc: -mppc} \
%{mcpu=rs64a: -mppc} \
%{mcpu=603: -m603} \

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@ -349,6 +349,8 @@ rs6000_target_modify_macros (bool define_p, HOST_WIDE_INT flags,
rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR7");
if ((flags & OPTION_MASK_DIRECT_MOVE) != 0)
rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR8");
if ((flags & OPTION_MASK_MODULO) != 0)
rs6000_define_or_undefine_macro (define_p, "_ARCH_PWR9");
if ((flags & OPTION_MASK_SOFT_FLOAT) != 0)
rs6000_define_or_undefine_macro (define_p, "_SOFT_FLOAT");
if ((flags & OPTION_MASK_RECIP_PRECISION) != 0)

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@ -60,6 +60,15 @@
| OPTION_MASK_QUAD_MEMORY_ATOMIC \
| OPTION_MASK_UPPER_REGS_SF)
/* Add ISEL back into ISA 3.0, since it is supposed to be a win. Do not add
P9_DFORM or P9_MINMAX until they are fully debugged. */
#define ISA_3_0_MASKS_SERVER (ISA_2_7_MASKS_SERVER \
| OPTION_MASK_FLOAT128_HW \
| OPTION_MASK_ISEL \
| OPTION_MASK_MODULO \
| OPTION_MASK_P9_FUSION \
| OPTION_MASK_P9_VECTOR)
#define POWERPC_7400_MASK (OPTION_MASK_PPC_GFXOPT | OPTION_MASK_ALTIVEC)
/* Deal with ports that do not have -mstrict-align. */
@ -87,10 +96,15 @@
| OPTION_MASK_ISEL \
| OPTION_MASK_MFCRF \
| OPTION_MASK_MFPGPR \
| OPTION_MASK_MODULO \
| OPTION_MASK_MULHW \
| OPTION_MASK_NO_UPDATE \
| OPTION_MASK_P8_FUSION \
| OPTION_MASK_P8_VECTOR \
| OPTION_MASK_P9_DFORM \
| OPTION_MASK_P9_FUSION \
| OPTION_MASK_P9_MINMAX \
| OPTION_MASK_P9_VECTOR \
| OPTION_MASK_POPCNTB \
| OPTION_MASK_POPCNTD \
| OPTION_MASK_POWERPC64 \
@ -101,6 +115,7 @@
| OPTION_MASK_RECIP_PRECISION \
| OPTION_MASK_SOFT_FLOAT \
| OPTION_MASK_STRICT_ALIGN_OPTIONAL \
| OPTION_MASK_TOC_FUSION \
| OPTION_MASK_UPPER_REGS_DF \
| OPTION_MASK_UPPER_REGS_SF \
| OPTION_MASK_VSX \
@ -195,6 +210,7 @@ RS6000_CPU ("power7", PROCESSOR_POWER7, /* Don't add MASK_ISEL by default */
| MASK_POPCNTB | MASK_FPRND | MASK_CMPB | MASK_DFP | MASK_POPCNTD
| MASK_VSX | MASK_RECIP_PRECISION | OPTION_MASK_UPPER_REGS_DF)
RS6000_CPU ("power8", PROCESSOR_POWER8, MASK_POWERPC64 | ISA_2_7_MASKS_SERVER)
RS6000_CPU ("power9", PROCESSOR_POWER9, MASK_POWERPC64 | ISA_3_0_MASKS_SERVER)
RS6000_CPU ("powerpc", PROCESSOR_POWERPC, 0)
RS6000_CPU ("powerpc64", PROCESSOR_POWERPC64, MASK_PPC_GFXOPT | MASK_POWERPC64)
RS6000_CPU ("powerpc64le", PROCESSOR_POWER8, MASK_POWERPC64 | ISA_2_7_MASKS_SERVER)

View File

@ -60,6 +60,7 @@ enum processor_type
PROCESSOR_POWER6,
PROCESSOR_POWER7,
PROCESSOR_POWER8,
PROCESSOR_POWER9,
PROCESSOR_RS64A,
PROCESSOR_MPCCORE,

View File

@ -180,14 +180,17 @@ EnumValue
Enum(rs6000_cpu_opt_value) String(power8) Value(50)
EnumValue
Enum(rs6000_cpu_opt_value) String(powerpc) Value(51)
Enum(rs6000_cpu_opt_value) String(power9) Value(51)
EnumValue
Enum(rs6000_cpu_opt_value) String(powerpc64) Value(52)
Enum(rs6000_cpu_opt_value) String(powerpc) Value(52)
EnumValue
Enum(rs6000_cpu_opt_value) String(powerpc64le) Value(53)
Enum(rs6000_cpu_opt_value) String(powerpc64) Value(53)
EnumValue
Enum(rs6000_cpu_opt_value) String(rs64) Value(54)
Enum(rs6000_cpu_opt_value) String(powerpc64le) Value(54)
EnumValue
Enum(rs6000_cpu_opt_value) String(rs64) Value(55)

View File

@ -985,6 +985,26 @@ struct processor_costs power8_cost = {
COSTS_N_INSNS (3), /* SF->DF convert */
};
/* Instruction costs on POWER9 processors. */
static const
struct processor_costs power9_cost = {
COSTS_N_INSNS (3), /* mulsi */
COSTS_N_INSNS (3), /* mulsi_const */
COSTS_N_INSNS (3), /* mulsi_const9 */
COSTS_N_INSNS (3), /* muldi */
COSTS_N_INSNS (19), /* divsi */
COSTS_N_INSNS (35), /* divdi */
COSTS_N_INSNS (3), /* fp */
COSTS_N_INSNS (3), /* dmul */
COSTS_N_INSNS (14), /* sdiv */
COSTS_N_INSNS (17), /* ddiv */
128, /* cache line size */
32, /* l1 cache */
256, /* l2 cache */
12, /* prefetch streams */
COSTS_N_INSNS (3), /* SF->DF convert */
};
/* Instruction costs on POWER A2 processors. */
static const
struct processor_costs ppca2_cost = {
@ -2423,8 +2443,18 @@ rs6000_debug_reg_global (void)
fprintf (stderr, DEBUG_FMT_S, "lra", "true");
if (TARGET_P8_FUSION)
fprintf (stderr, DEBUG_FMT_S, "p8 fusion",
(TARGET_P8_FUSION_SIGN) ? "zero+sign" : "zero");
{
char options[80];
strcpy (options, (TARGET_P9_FUSION) ? "power9" : "power8");
if (TARGET_TOC_FUSION)
strcat (options, ", toc");
if (TARGET_P8_FUSION_SIGN)
strcat (options, ", sign");
fprintf (stderr, DEBUG_FMT_S, "fusion", options);
}
fprintf (stderr, DEBUG_FMT_S, "plt-format",
TARGET_SECURE_PLT ? "secure" : "bss");
@ -2463,6 +2493,7 @@ rs6000_setup_reg_addr_masks (void)
for (m = 0; m < NUM_MACHINE_MODES; ++m)
{
machine_mode m2 = (machine_mode)m;
unsigned short msize = GET_MODE_SIZE (m2);
/* SDmode is special in that we want to access it only via REG+REG
addressing on power7 and above, since we want to use the LFIWZX and
@ -2492,16 +2523,18 @@ rs6000_setup_reg_addr_masks (void)
/* Figure out if we can do PRE_INC, PRE_DEC, or PRE_MODIFY
addressing. Restrict addressing on SPE for 64-bit types
because of the SUBREG hackery used to address 64-bit floats in
'32-bit' GPRs. */
'32-bit' GPRs. If we allow scalars into Altivec registers,
don't allow PRE_INC, PRE_DEC, or PRE_MODIFY. */
if (TARGET_UPDATE
&& (rc == RELOAD_REG_GPR || rc == RELOAD_REG_FPR)
&& GET_MODE_SIZE (m2) <= 8
&& msize <= 8
&& !VECTOR_MODE_P (m2)
&& !FLOAT128_VECTOR_P (m2)
&& !COMPLEX_MODE_P (m2)
&& !indexed_only_p
&& !(TARGET_E500_DOUBLE && GET_MODE_SIZE (m2) == 8))
&& (m2 != DFmode || !TARGET_UPPER_REGS_DF)
&& (m2 != SFmode || !TARGET_UPPER_REGS_SF)
&& !(TARGET_E500_DOUBLE && msize == 8))
{
addr_mask |= RELOAD_REG_PRE_INCDEC;
@ -2536,7 +2569,7 @@ rs6000_setup_reg_addr_masks (void)
/* VMX registers can do (REG & -16) and ((REG+REG) & -16)
addressing on 128-bit types. */
if (rc == RELOAD_REG_VMX && GET_MODE_SIZE (m2) == 16
if (rc == RELOAD_REG_VMX && msize == 16
&& (addr_mask & RELOAD_REG_VALID) != 0)
addr_mask |= RELOAD_REG_AND_M16;
@ -3382,7 +3415,22 @@ rs6000_option_override_internal (bool global_init_p)
if (rs6000_tune_index >= 0)
tune_index = rs6000_tune_index;
else if (have_cpu)
rs6000_tune_index = tune_index = cpu_index;
{
/* Until power9 tuning is available, use power8 tuning if -mcpu=power9. */
if (processor_target_table[cpu_index].processor != PROCESSOR_POWER9)
rs6000_tune_index = tune_index = cpu_index;
else
{
size_t i;
tune_index = -1;
for (i = 0; i < ARRAY_SIZE (processor_target_table); i++)
if (processor_target_table[i].processor == PROCESSOR_POWER8)
{
rs6000_tune_index = tune_index = i;
break;
}
}
}
else
{
size_t i;
@ -3557,7 +3605,9 @@ rs6000_option_override_internal (bool global_init_p)
/* For the newer switches (vsx, dfp, etc.) set some of the older options,
unless the user explicitly used the -mno-<option> to disable the code. */
if (TARGET_P8_VECTOR || TARGET_DIRECT_MOVE || TARGET_CRYPTO)
if (TARGET_P9_VECTOR || TARGET_MODULO || TARGET_P9_DFORM || TARGET_P9_MINMAX)
rs6000_isa_flags |= (ISA_3_0_MASKS_SERVER & ~rs6000_isa_flags_explicit);
else if (TARGET_P8_VECTOR || TARGET_DIRECT_MOVE || TARGET_CRYPTO)
rs6000_isa_flags |= (ISA_2_7_MASKS_SERVER & ~rs6000_isa_flags_explicit);
else if (TARGET_VSX)
rs6000_isa_flags |= (ISA_2_6_MASKS_SERVER & ~rs6000_isa_flags_explicit);
@ -3703,6 +3753,41 @@ rs6000_option_override_internal (bool global_init_p)
rs6000_isa_flags |= (processor_target_table[tune_index].target_enable
& OPTION_MASK_P8_FUSION);
/* Setting additional fusion flags turns on base fusion. */
if (!TARGET_P8_FUSION && (TARGET_P8_FUSION_SIGN || TARGET_TOC_FUSION))
{
if (rs6000_isa_flags_explicit & OPTION_MASK_P8_FUSION)
{
if (TARGET_P8_FUSION_SIGN)
error ("-mpower8-fusion-sign requires -mpower8-fusion");
if (TARGET_TOC_FUSION)
error ("-mtoc-fusion requires -mpower8-fusion");
rs6000_isa_flags &= ~OPTION_MASK_P8_FUSION;
}
else
rs6000_isa_flags |= OPTION_MASK_P8_FUSION;
}
/* Power9 fusion is a superset over power8 fusion. */
if (TARGET_P9_FUSION && !TARGET_P8_FUSION)
{
if (rs6000_isa_flags_explicit & OPTION_MASK_P8_FUSION)
{
error ("-mpower9-fusion requires -mpower8-fusion");
rs6000_isa_flags &= ~OPTION_MASK_P9_FUSION;
}
else
rs6000_isa_flags |= OPTION_MASK_P8_FUSION;
}
/* Enable power9 fusion if we are tuning for power9, even if we aren't
generating power9 instructions. */
if (!(rs6000_isa_flags_explicit & OPTION_MASK_P9_FUSION))
rs6000_isa_flags |= (processor_target_table[tune_index].target_enable
& OPTION_MASK_P9_FUSION);
/* Power8 does not fuse sign extended loads with the addis. If we are
optimizing at high levels for speed, convert a sign extended load into a
zero extending load, and an explicit sign extension. */
@ -3712,6 +3797,58 @@ rs6000_option_override_internal (bool global_init_p)
&& optimize >= 3)
rs6000_isa_flags |= OPTION_MASK_P8_FUSION_SIGN;
/* TOC fusion requires 64-bit and medium/large code model. */
if (TARGET_TOC_FUSION && !TARGET_POWERPC64)
{
rs6000_isa_flags &= ~OPTION_MASK_TOC_FUSION;
if ((rs6000_isa_flags_explicit & OPTION_MASK_TOC_FUSION) != 0)
warning (0, N_("-mtoc-fusion requires 64-bit"));
}
if (TARGET_TOC_FUSION && (TARGET_CMODEL == CMODEL_SMALL))
{
rs6000_isa_flags &= ~OPTION_MASK_TOC_FUSION;
if ((rs6000_isa_flags_explicit & OPTION_MASK_TOC_FUSION) != 0)
warning (0, N_("-mtoc-fusion requires medium/large code model"));
}
/* Turn on -mtoc-fusion by default if p8-fusion and 64-bit medium/large code
model. */
if (TARGET_P8_FUSION && !TARGET_TOC_FUSION && TARGET_POWERPC64
&& (TARGET_CMODEL != CMODEL_SMALL)
&& !(rs6000_isa_flags_explicit & OPTION_MASK_TOC_FUSION))
rs6000_isa_flags |= OPTION_MASK_TOC_FUSION;
/* ISA 3.0 D-form instructions require p9-vector and upper-regs. */
if (TARGET_P9_DFORM && !TARGET_P9_VECTOR)
{
if (rs6000_isa_flags_explicit & OPTION_MASK_P9_VECTOR)
error ("-mpower9-dform requires -mpower9-vector");
rs6000_isa_flags &= ~OPTION_MASK_P9_DFORM;
}
if (TARGET_P9_DFORM && !TARGET_UPPER_REGS_DF)
{
if (rs6000_isa_flags_explicit & OPTION_MASK_UPPER_REGS_DF)
error ("-mpower9-dform requires -mupper-regs-df");
rs6000_isa_flags &= ~OPTION_MASK_P9_DFORM;
}
if (TARGET_P9_DFORM && !TARGET_UPPER_REGS_SF)
{
if (rs6000_isa_flags_explicit & OPTION_MASK_UPPER_REGS_SF)
error ("-mpower9-dform requires -mupper-regs-sf");
rs6000_isa_flags &= ~OPTION_MASK_P9_DFORM;
}
/* ISA 3.0 vector instructions include ISA 2.07. */
if (TARGET_P9_VECTOR && !TARGET_P8_VECTOR)
{
if (rs6000_isa_flags_explicit & OPTION_MASK_P8_VECTOR)
error ("-mpower9-vector requires -mpower8-vector");
rs6000_isa_flags &= ~OPTION_MASK_P9_VECTOR;
}
/* Set -mallow-movmisalign to explicitly on if we have full ISA 2.07
support. If we only have ISA 2.06 support, and the user did not specify
the switch, leave it set to -1 so the movmisalign patterns are enabled,
@ -3757,9 +3894,32 @@ rs6000_option_override_internal (bool global_init_p)
if ((rs6000_isa_flags_explicit & OPTION_MASK_FLOAT128) != 0)
error ("-mfloat128 requires VSX support");
rs6000_isa_flags &= ~OPTION_MASK_FLOAT128;
rs6000_isa_flags &= ~(OPTION_MASK_FLOAT128 | OPTION_MASK_FLOAT128_HW);
}
/* IEEE 128-bit floating point hardware instructions imply enabling
__float128. */
if (TARGET_FLOAT128_HW
&& (rs6000_isa_flags & (OPTION_MASK_P9_VECTOR
| OPTION_MASK_DIRECT_MOVE
| OPTION_MASK_UPPER_REGS_DF
| OPTION_MASK_UPPER_REGS_SF)) == 0)
{
if ((rs6000_isa_flags_explicit & OPTION_MASK_FLOAT128_HW) != 0)
error ("-mfloat128-hardware requires full ISA 3.0 support");
rs6000_isa_flags &= ~OPTION_MASK_FLOAT128_HW;
}
else if (TARGET_P9_VECTOR && !TARGET_FLOAT128_HW
&& (rs6000_isa_flags_explicit & OPTION_MASK_FLOAT128_HW) == 0)
rs6000_isa_flags |= OPTION_MASK_FLOAT128_HW;
if (TARGET_FLOAT128_HW
&& (rs6000_isa_flags_explicit & OPTION_MASK_FLOAT128) == 0)
rs6000_isa_flags |= OPTION_MASK_FLOAT128;
/* Print the options after updating the defaults. */
if (TARGET_DEBUG_REG || TARGET_DEBUG_TARGET)
rs6000_print_isa_options (stderr, 0, "after defaults", rs6000_isa_flags);
@ -3957,18 +4117,21 @@ rs6000_option_override_internal (bool global_init_p)
&& rs6000_cpu != PROCESSOR_POWER6
&& rs6000_cpu != PROCESSOR_POWER7
&& rs6000_cpu != PROCESSOR_POWER8
&& rs6000_cpu != PROCESSOR_POWER9
&& rs6000_cpu != PROCESSOR_PPCA2
&& rs6000_cpu != PROCESSOR_CELL
&& rs6000_cpu != PROCESSOR_PPC476);
rs6000_sched_groups = (rs6000_cpu == PROCESSOR_POWER4
|| rs6000_cpu == PROCESSOR_POWER5
|| rs6000_cpu == PROCESSOR_POWER7
|| rs6000_cpu == PROCESSOR_POWER8);
|| rs6000_cpu == PROCESSOR_POWER8
|| rs6000_cpu == PROCESSOR_POWER9);
rs6000_align_branch_targets = (rs6000_cpu == PROCESSOR_POWER4
|| rs6000_cpu == PROCESSOR_POWER5
|| rs6000_cpu == PROCESSOR_POWER6
|| rs6000_cpu == PROCESSOR_POWER7
|| rs6000_cpu == PROCESSOR_POWER8
|| rs6000_cpu == PROCESSOR_POWER9
|| rs6000_cpu == PROCESSOR_PPCE500MC
|| rs6000_cpu == PROCESSOR_PPCE500MC64
|| rs6000_cpu == PROCESSOR_PPCE5500
@ -4216,6 +4379,10 @@ rs6000_option_override_internal (bool global_init_p)
rs6000_cost = &power8_cost;
break;
case PROCESSOR_POWER9:
rs6000_cost = &power9_cost;
break;
case PROCESSOR_PPCA2:
rs6000_cost = &ppca2_cost;
break;
@ -4396,7 +4563,8 @@ rs6000_loop_align (rtx label)
|| rs6000_cpu == PROCESSOR_POWER5
|| rs6000_cpu == PROCESSOR_POWER6
|| rs6000_cpu == PROCESSOR_POWER7
|| rs6000_cpu == PROCESSOR_POWER8))
|| rs6000_cpu == PROCESSOR_POWER8
|| rs6000_cpu == PROCESSOR_POWER9))
return 5;
else
return align_loops_log;
@ -5213,7 +5381,9 @@ rs6000_file_start (void)
|| !global_options_set.x_rs6000_cpu_index)
{
fputs ("\t.machine ", asm_out_file);
if ((rs6000_isa_flags & OPTION_MASK_DIRECT_MOVE) != 0)
if ((rs6000_isa_flags & OPTION_MASK_MODULO) != 0)
fputs ("power9\n", asm_out_file);
else if ((rs6000_isa_flags & OPTION_MASK_DIRECT_MOVE) != 0)
fputs ("power8\n", asm_out_file);
else if ((rs6000_isa_flags & OPTION_MASK_POPCNTD) != 0)
fputs ("power7\n", asm_out_file);
@ -28013,6 +28183,7 @@ rs6000_adjust_cost (rtx_insn *insn, rtx link, rtx_insn *dep_insn, int cost)
|| rs6000_cpu_attr == CPU_POWER5
|| rs6000_cpu_attr == CPU_POWER7
|| rs6000_cpu_attr == CPU_POWER8
|| rs6000_cpu_attr == CPU_POWER9
|| rs6000_cpu_attr == CPU_CELL)
&& recog_memoized (dep_insn)
&& (INSN_CODE (dep_insn) >= 0))
@ -28585,6 +28756,7 @@ rs6000_issue_rate (void)
case CPU_POWER7:
return 5;
case CPU_POWER8:
case CPU_POWER9:
return 7;
default:
return 1;
@ -29218,6 +29390,7 @@ insn_must_be_first_in_group (rtx_insn *insn)
}
break;
case PROCESSOR_POWER8:
case PROCESSOR_POWER9:
type = get_attr_type (insn);
switch (type)
@ -29348,6 +29521,7 @@ insn_must_be_last_in_group (rtx_insn *insn)
}
break;
case PROCESSOR_POWER8:
case PROCESSOR_POWER9:
type = get_attr_type (insn);
switch (type)
@ -29466,7 +29640,7 @@ force_new_group (int sched_verbose, FILE *dump, rtx *group_insns,
/* Do we have a special group ending nop? */
if (rs6000_cpu_attr == CPU_POWER6 || rs6000_cpu_attr == CPU_POWER7
|| rs6000_cpu_attr == CPU_POWER8)
|| rs6000_cpu_attr == CPU_POWER8 || rs6000_cpu_attr == CPU_POWER9)
{
nop = gen_group_ending_nop ();
emit_insn_before (nop, next_insn);
@ -31966,7 +32140,8 @@ rs6000_register_move_cost (machine_mode mode,
expensive than memory in order to bias spills to memory .*/
else if ((rs6000_cpu == PROCESSOR_POWER6
|| rs6000_cpu == PROCESSOR_POWER7
|| rs6000_cpu == PROCESSOR_POWER8)
|| rs6000_cpu == PROCESSOR_POWER8
|| rs6000_cpu == PROCESSOR_POWER9)
&& reg_classes_intersect_p (rclass, LINK_OR_CTR_REGS))
ret = 6 * hard_regno_nregs[0][mode];
@ -33496,12 +33671,14 @@ static struct rs6000_opt_mask const rs6000_opt_masks[] =
{ "efficient-unaligned-vsx", OPTION_MASK_EFFICIENT_UNALIGNED_VSX,
false, true },
{ "float128", OPTION_MASK_FLOAT128, false, true },
{ "float128-hardware", OPTION_MASK_FLOAT128_HW, false, true },
{ "fprnd", OPTION_MASK_FPRND, false, true },
{ "hard-dfp", OPTION_MASK_DFP, false, true },
{ "htm", OPTION_MASK_HTM, false, true },
{ "isel", OPTION_MASK_ISEL, false, true },
{ "mfcrf", OPTION_MASK_MFCRF, false, true },
{ "mfpgpr", OPTION_MASK_MFPGPR, false, true },
{ "modulo", OPTION_MASK_MODULO, false, true },
{ "mulhw", OPTION_MASK_MULHW, false, true },
{ "multiple", OPTION_MASK_MULTIPLE, false, true },
{ "popcntb", OPTION_MASK_POPCNTB, false, true },
@ -33509,6 +33686,10 @@ static struct rs6000_opt_mask const rs6000_opt_masks[] =
{ "power8-fusion", OPTION_MASK_P8_FUSION, false, true },
{ "power8-fusion-sign", OPTION_MASK_P8_FUSION_SIGN, false, true },
{ "power8-vector", OPTION_MASK_P8_VECTOR, false, true },
{ "power9-dform", OPTION_MASK_P9_DFORM, false, true },
{ "power9-fusion", OPTION_MASK_P9_FUSION, false, true },
{ "power9-minmax", OPTION_MASK_P9_MINMAX, false, true },
{ "power9-vector", OPTION_MASK_P9_VECTOR, false, true },
{ "powerpc-gfxopt", OPTION_MASK_PPC_GFXOPT, false, true },
{ "powerpc-gpopt", OPTION_MASK_PPC_GPOPT, false, true },
{ "quad-memory", OPTION_MASK_QUAD_MEMORY, false, true },
@ -33516,6 +33697,7 @@ static struct rs6000_opt_mask const rs6000_opt_masks[] =
{ "recip-precision", OPTION_MASK_RECIP_PRECISION, false, true },
{ "save-toc-indirect", OPTION_MASK_SAVE_TOC_INDIRECT, false, true },
{ "string", OPTION_MASK_STRING, false, true },
{ "toc-fusion", OPTION_MASK_TOC_FUSION, false, true },
{ "update", OPTION_MASK_NO_UPDATE, true , true },
{ "upper-regs-df", OPTION_MASK_UPPER_REGS_DF, false, true },
{ "upper-regs-sf", OPTION_MASK_UPPER_REGS_SF, false, true },

View File

@ -95,6 +95,12 @@
#define ASM_CPU_POWER8_SPEC ASM_CPU_POWER7_SPEC
#endif
#ifdef HAVE_AS_POWER9
#define ASM_CPU_POWER9_SPEC "-mpower9"
#else
#define ASM_CPU_POWER9_SPEC ASM_CPU_POWER8_SPEC
#endif
#ifdef HAVE_AS_DCI
#define ASM_CPU_476_SPEC "-m476"
#else
@ -119,6 +125,7 @@
%{mcpu=power6x: %(asm_cpu_power6) -maltivec} \
%{mcpu=power7: %(asm_cpu_power7)} \
%{mcpu=power8: %(asm_cpu_power8)} \
%{mcpu=power9: %(asm_cpu_power9)} \
%{mcpu=a2: -ma2} \
%{mcpu=powerpc: -mppc} \
%{mcpu=rs64a: -mppc64} \
@ -193,6 +200,7 @@
{ "asm_cpu_power6", ASM_CPU_POWER6_SPEC }, \
{ "asm_cpu_power7", ASM_CPU_POWER7_SPEC }, \
{ "asm_cpu_power8", ASM_CPU_POWER8_SPEC }, \
{ "asm_cpu_power9", ASM_CPU_POWER9_SPEC }, \
{ "asm_cpu_476", ASM_CPU_476_SPEC }, \
SUBTARGET_EXTRA_SPECS

View File

@ -252,7 +252,7 @@
ppc750,ppc7400,ppc7450,
ppc403,ppc405,ppc440,ppc476,
ppc8540,ppc8548,ppce300c2,ppce300c3,ppce500mc,ppce500mc64,ppce5500,ppce6500,
power4,power5,power6,power7,power8,
power4,power5,power6,power7,power8,power9,
rs64a,mpccore,cell,ppca2,titan"
(const (symbol_ref "rs6000_cpu_attr")))

View File

@ -601,6 +601,34 @@ moptimize-swaps
Target Undocumented Var(rs6000_optimize_swaps) Init(1) Save
Analyze and remove doubleword swaps from VSX computations.
mpower9-fusion
Target Report Mask(P9_FUSION) Var(rs6000_isa_flags)
Fuse certain operations together for better performance on power9.
mpower9-vector
Target Report Mask(P9_VECTOR) Var(rs6000_isa_flags)
Use/do not use vector and scalar instructions added in ISA 3.0.
mpower9-dform
Target Undocumented Mask(P9_DFORM) Var(rs6000_isa_flags)
Use/do not use vector and scalar instructions added in ISA 3.0.
mpower9-minmax
Target Undocumented Mask(P9_MINMAX) Var(rs6000_isa_flags)
Use/do not use the new min/max instructions defined in ISA 3.0.
mtoc-fusion
Target Undocumented Mask(TOC_FUSION) Var(rs6000_isa_flags)
Fuse medium/large code model toc references with the memory instruction.
mmodulo
Target Report Mask(MODULO) Var(rs6000_isa_flags)
Generate the integer modulo instructions.
mfloat128
Target Report Mask(FLOAT128) Var(rs6000_isa_flags)
Enable/disable IEEE 128-bit floating point via the __float128 keyword.
mfloat128-hardware
Target Report Mask(FLOAT128_HW) Var(rs6000_isa_flags)
Enable/disable using IEEE 128-bit floating point instructions.

42
gcc/configure vendored
View File

@ -26330,6 +26330,48 @@ if test $gcc_cv_as_powerpc_power8 = yes; then
$as_echo "#define HAVE_AS_POWER8 1" >>confdefs.h
fi
case $target in
*-*-aix*) conftest_s=' .machine "pwr9"
.csect .text[PR]';;
*) conftest_s=' .machine power9
.text';;
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for power9 support" >&5
$as_echo_n "checking assembler for power9 support... " >&6; }
if test "${gcc_cv_as_powerpc_power9+set}" = set; then :
$as_echo_n "(cached) " >&6
else
gcc_cv_as_powerpc_power9=no
if test $in_tree_gas = yes; then
if test $gcc_cv_gas_vers -ge `expr \( \( 2 \* 1000 \) + 19 \) \* 1000 + 2`
then gcc_cv_as_powerpc_power9=yes
fi
elif test x$gcc_cv_as != x; then
$as_echo "$conftest_s" > conftest.s
if { ac_try='$gcc_cv_as $gcc_cv_as_flags -a32 -o conftest.o conftest.s >&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
then
gcc_cv_as_powerpc_power9=yes
else
echo "configure: failed program was" >&5
cat conftest.s >&5
fi
rm -f conftest.o conftest.s
fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_powerpc_power9" >&5
$as_echo "$gcc_cv_as_powerpc_power9" >&6; }
if test $gcc_cv_as_powerpc_power9 = yes; then
$as_echo "#define HAVE_AS_POWER9 1" >>confdefs.h
fi
case $target in

View File

@ -4315,6 +4315,19 @@ LCF0:
[AC_DEFINE(HAVE_AS_POWER8, 1,
[Define if your assembler supports POWER8 instructions.])])
case $target in
*-*-aix*) conftest_s=' .machine "pwr9"
.csect .text[[PR]]';;
*) conftest_s=' .machine power9
.text';;
esac
gcc_GAS_CHECK_FEATURE([power9 support],
gcc_cv_as_powerpc_power9, [2,19,2], -a32,
[$conftest_s],,
[AC_DEFINE(HAVE_AS_POWER9, 1,
[Define if your assembler supports POWER9 instructions.])])
case $target in
*-*-aix*) conftest_s=' .csect .text[[PR]]
lwsync';;

View File

@ -949,8 +949,9 @@ See RS/6000 and PowerPC Options.
-mquad-memory-atomic -mno-quad-memory-atomic @gol
-mcompat-align-parm -mno-compat-align-parm @gol
-mupper-regs-df -mno-upper-regs-df -mupper-regs-sf -mno-upper-regs-sf @gol
-mupper-regs -mno-upper-regs @gol
-mfloat128 -mno-float128}
-mupper-regs -mno-upper-regs -mmodulo -mno-modulo @gol
-mfloat128 -mno-float128 -mfloat128-hardware -mno-float128-hardware @gol
-mpower9-fusion -mno-mpower9-fusion -mpower9-vector -mno-power9-vector}
@emph{RX Options}
@gccoptlist{-m64bit-doubles -m32bit-doubles -fpu -nofpu@gol
@ -19311,8 +19312,9 @@ Supported values for @var{cpu_type} are @samp{401}, @samp{403},
@samp{e300c3}, @samp{e500mc}, @samp{e500mc64}, @samp{e5500},
@samp{e6500}, @samp{ec603e}, @samp{G3}, @samp{G4}, @samp{G5},
@samp{titan}, @samp{power3}, @samp{power4}, @samp{power5}, @samp{power5+},
@samp{power6}, @samp{power6x}, @samp{power7}, @samp{power8}, @samp{powerpc},
@samp{powerpc64}, @samp{powerpc64le}, and @samp{rs64}.
@samp{power6}, @samp{power6x}, @samp{power7}, @samp{power8},
@samp{power9}, @samp{powerpc}, @samp{powerpc64}, @samp{powerpc64le},
and @samp{rs64}.
@option{-mcpu=powerpc}, @option{-mcpu=powerpc64}, and
@option{-mcpu=powerpc64le} specify pure 32-bit PowerPC (either
@ -19332,7 +19334,8 @@ following options:
-mpowerpc-gpopt -mpowerpc-gfxopt -msingle-float -mdouble-float @gol
-msimple-fpu -mstring -mmulhw -mdlmzb -mmfpgpr -mvsx @gol
-mcrypto -mdirect-move -mpower8-fusion -mpower8-vector @gol
-mquad-memory -mquad-memory-atomic}
-mquad-memory -mquad-memory-atomic -mmodulo -mfloat128 -mfloat128-hardware @gol
-mpower9-fusion -mpower9-vector}
The particular options set for any particular CPU varies between
compiler versions, depending on what setting seems to produce optimal
@ -19569,12 +19572,45 @@ If the @option{-mno-upper-regs} option is used, it turns off both
@opindex mfloat128
@opindex mno-float128
Enable/disable the @var{__float128} keyword for IEEE 128-bit floating point
and use software emulation for IEEE 128-bit floating point.
and use either software emulation for IEEE 128-bit floating point or
hardware instructions.
The VSX instruction set (@option{-mvsx}, @option{-mcpu=power7}, or
@option{-mcpu=power8}) must be enabled to use the @option{-mfloat128}
option.
@item -mfloat128-hardware
@itemx -mno-float128-hardware
@opindex mfloat128-hardware
@opindex mno-float128-hardware
Enable/disable using ISA 3.0 hardware instructions to support the
@var{__float128} data type.
@item -mmodulo
@itemx -mno-modulo
@opindex mmodulo
@opindex mno-module
Generate code that uses (does not use) the ISA 3.0 integer modulo
instructions. The @option{-mmodulo} option is enabled by default
with the @option{-mcpu=power9} option.
@item -mpower9-fusion
@itemx -mno-power9-fusion
@opindex mpower9-fusion
@opindex mno-power9-fusion
Generate code that keeps (does not keeps) some operations adjacent so
that the instructions can be fused together on power9 and later
processors.
@item -mpower9-vector
@itemx -mno-power9-vector
@opindex mpower9-vector
@opindex mno-power9-vector
Generate code that uses (does not use) the vector and scalar
instructions that were added in version 2.07 of the PowerPC ISA. Also
enable the use of built-in functions that allow more direct access to
the vector instructions.
@item -mfloat-gprs=@var{yes/single/double/no}
@itemx -mfloat-gprs
@opindex mfloat-gprs