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[src/trunk]: src/external/gpl3/gcc/dist/gcc/config/rs6000 merge our changes i...
details: https://anonhg.NetBSD.org/src/rev/48dbb6247f11
branches: trunk
changeset: 961566:48dbb6247f11
user: mrg <mrg%NetBSD.org@localhost>
date: Mon Apr 12 07:23:06 2021 +0000
description:
merge our changes into GCC 10. parts of the rs6000.c file were
split into separate files, and an old change to rs6000.c now
belongs in rs6000-logue.c.
diffstat:
external/gpl3/gcc/dist/gcc/config/rs6000/rs6000-logue.c | 6 +-
external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c | 17360 +------------
2 files changed, 2259 insertions(+), 15107 deletions(-)
diffs (truncated from 19158 to 300 lines):
diff -r 063cc876ad11 -r 48dbb6247f11 external/gpl3/gcc/dist/gcc/config/rs6000/rs6000-logue.c
--- a/external/gpl3/gcc/dist/gcc/config/rs6000/rs6000-logue.c Mon Apr 12 06:08:30 2021 +0000
+++ b/external/gpl3/gcc/dist/gcc/config/rs6000/rs6000-logue.c Mon Apr 12 07:23:06 2021 +0000
@@ -2249,7 +2249,8 @@
}
else if (DEFAULT_ABI == ABI_AIX || DEFAULT_ABI == ABI_ELFv2)
{
-#if !defined (POWERPC_LINUX) && !defined (POWERPC_FREEBSD)
+#if !defined (POWERPC_LINUX) && !defined (POWERPC_FREEBSD) \
+ && !defined(POWERPC_NETBSD)
/* No out-of-line save/restore routines for GPRs on AIX. */
gcc_assert (!TARGET_AIX || (sel & SAVRES_REG) != SAVRES_GPR);
#endif
@@ -2261,7 +2262,8 @@
: ((sel & SAVRES_LR) ? "_restgpr0_" : "_restgpr1_"));
else if ((sel & SAVRES_REG) == SAVRES_FPR)
{
-#if defined (POWERPC_LINUX) || defined (POWERPC_FREEBSD)
+#if defined (POWERPC_LINUX) || defined (POWERPC_FREEBSD) \
+ || defined(POWERPC_NETBSD)
if ((sel & SAVRES_LR))
prefix = ((sel & SAVRES_SAVE) ? "_savefpr_" : "_restfpr_");
else
diff -r 063cc876ad11 -r 48dbb6247f11 external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c
--- a/external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c Mon Apr 12 06:08:30 2021 +0000
+++ b/external/gpl3/gcc/dist/gcc/config/rs6000/rs6000.c Mon Apr 12 07:23:06 2021 +0000
@@ -1,5 +1,5 @@
/* Subroutines used for code generation on IBM RS/6000.
- Copyright (C) 1991-2019 Free Software Foundation, Inc.
+ Copyright (C) 1991-2020 Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner%vlsi1.ultra.nyu.edu@localhost)
This file is part of GCC.
@@ -52,7 +52,6 @@
#include "explow.h"
#include "expr.h"
#include "output.h"
-#include "dbxout.h"
#include "common/common-target.h"
#include "langhooks.h"
#include "reload.h"
@@ -63,7 +62,6 @@
#include "gimple-ssa.h"
#include "gimple-walk.h"
#include "intl.h"
-#include "params.h"
#include "tm-constrs.h"
#include "tree-vectorizer.h"
#include "target-globals.h"
@@ -75,22 +73,17 @@
#if TARGET_XCOFF
#include "xcoffout.h" /* get declarations of xcoff_*_section_name */
#endif
-#if TARGET_MACHO
-#include "gstab.h" /* for N_SLINE */
-#endif
#include "case-cfn-macros.h"
#include "ppc-auxv.h"
#include "tree-ssa-propagate.h"
#include "tree-vrp.h"
#include "tree-ssanames.h"
+#include "rs6000-internal.h"
+#include "opts.h"
/* This file should be included last. */
#include "target-def.h"
-#ifndef TARGET_NO_PROTOTYPE
-#define TARGET_NO_PROTOTYPE 0
-#endif
-
/* Set -mabi=ieeelongdouble on some old targets. In the future, power server
systems will also set long double to be IEEE 128-bit. AIX and Darwin
explicitly redefine TARGET_IEEEQUAD and TARGET_IEEEQUAD_DEFAULT to 0, so
@@ -98,93 +91,20 @@
of the include files, so that POWERPC_LINUX and POWERPC_FREEBSD are
properly defined. */
#ifndef TARGET_IEEEQUAD_DEFAULT
-#if !defined (POWERPC_LINUX) && !defined (POWERPC_FREEBSD)
+#if !defined (POWERPC_LINUX) && !defined (POWERPC_FREEBSD) && !defined(POWERPC_NETBSD)
#define TARGET_IEEEQUAD_DEFAULT 1
#else
#define TARGET_IEEEQUAD_DEFAULT 0
#endif
#endif
-static pad_direction rs6000_function_arg_padding (machine_mode, const_tree);
-
-/* Structure used to define the rs6000 stack */
-typedef struct rs6000_stack {
- int reload_completed; /* stack info won't change from here on */
- int first_gp_reg_save; /* first callee saved GP register used */
- int first_fp_reg_save; /* first callee saved FP register used */
- int first_altivec_reg_save; /* first callee saved AltiVec register used */
- int lr_save_p; /* true if the link reg needs to be saved */
- int cr_save_p; /* true if the CR reg needs to be saved */
- unsigned int vrsave_mask; /* mask of vec registers to save */
- int push_p; /* true if we need to allocate stack space */
- int calls_p; /* true if the function makes any calls */
- int world_save_p; /* true if we're saving *everything*:
- r13-r31, cr, f14-f31, vrsave, v20-v31 */
- enum rs6000_abi abi; /* which ABI to use */
- int gp_save_offset; /* offset to save GP regs from initial SP */
- int fp_save_offset; /* offset to save FP regs from initial SP */
- int altivec_save_offset; /* offset to save AltiVec regs from initial SP */
- int lr_save_offset; /* offset to save LR from initial SP */
- int cr_save_offset; /* offset to save CR from initial SP */
- int vrsave_save_offset; /* offset to save VRSAVE from initial SP */
- int varargs_save_offset; /* offset to save the varargs registers */
- int ehrd_offset; /* offset to EH return data */
- int ehcr_offset; /* offset to EH CR field data */
- int reg_size; /* register size (4 or 8) */
- HOST_WIDE_INT vars_size; /* variable save area size */
- int parm_size; /* outgoing parameter size */
- int save_size; /* save area size */
- int fixed_size; /* fixed size of stack frame */
- int gp_size; /* size of saved GP registers */
- int fp_size; /* size of saved FP registers */
- int altivec_size; /* size of saved AltiVec registers */
- int cr_size; /* size to hold CR if not in fixed area */
- int vrsave_size; /* size to hold VRSAVE */
- int altivec_padding_size; /* size of altivec alignment padding */
- HOST_WIDE_INT total_size; /* total bytes allocated for stack */
- int savres_strategy;
-} rs6000_stack_t;
-
-/* A C structure for machine-specific, per-function data.
- This is added to the cfun structure. */
-typedef struct GTY(()) machine_function
-{
- /* Flags if __builtin_return_address (n) with n >= 1 was used. */
- int ra_needs_full_frame;
- /* Flags if __builtin_return_address (0) was used. */
- int ra_need_lr;
- /* Cache lr_save_p after expansion of builtin_eh_return. */
- int lr_save_state;
- /* Whether we need to save the TOC to the reserved stack location in the
- function prologue. */
- bool save_toc_in_prologue;
- /* Offset from virtual_stack_vars_rtx to the start of the ABI_V4
- varargs save area. */
- HOST_WIDE_INT varargs_save_offset;
- /* Alternative internal arg pointer for -fsplit-stack. */
- rtx split_stack_arg_pointer;
- bool split_stack_argp_used;
- /* Flag if r2 setup is needed with ELFv2 ABI. */
- bool r2_setup_needed;
- /* The number of components we use for separate shrink-wrapping. */
- int n_components;
- /* The components already handled by separate shrink-wrapping, which should
- not be considered by the prologue and epilogue. */
- bool gpr_is_wrapped_separately[32];
- bool fpr_is_wrapped_separately[32];
- bool lr_is_wrapped_separately;
- bool toc_is_wrapped_separately;
-} machine_function;
+/* Don't enable PC-relative addressing if the target does not support it. */
+#ifndef PCREL_SUPPORTED_BY_OS
+#define PCREL_SUPPORTED_BY_OS 0
+#endif
/* Support targetm.vectorize.builtin_mask_for_load. */
-static GTY(()) tree altivec_builtin_mask_for_load;
-
-/* Set to nonzero once AIX common-mode calls have been defined. */
-static GTY(()) int common_mode_defined;
-
-/* Label number of label created for -mrelocatable, to call to so we can
- get the address of the GOT section */
-static int rs6000_pic_labelno;
+tree altivec_builtin_mask_for_load;
#ifdef USING_ELFOS_H
/* Counter for labels which are to be placed in .fixup. */
@@ -205,7 +125,7 @@
floating point. We changed the default C++ mangling for these types and we
may want to generate a weak alias of the old mangling (U10__float128) to the
new mangling (u9__ieee128). */
-static bool rs6000_passes_ieee128;
+bool rs6000_passes_ieee128 = false;
#endif
/* Generate the manged name (i.e. U10__float128) used in GCC 8.1, and not the
@@ -224,12 +144,12 @@
Tag_GNU_Power_ABI_FP .gnu.attributes value this flag controls
should be set for soft-float values passed in gprs and ieee128
values passed in vsx registers. */
-static bool rs6000_passes_float;
-static bool rs6000_passes_long_double;
+bool rs6000_passes_float = false;
+bool rs6000_passes_long_double = false;
/* Flag whether vector values have been passed/returned. */
-static bool rs6000_passes_vector;
+bool rs6000_passes_vector = false;
/* Flag whether small (<= 8 byte) structures have been returned. */
-static bool rs6000_returns_struct;
+bool rs6000_returns_struct = false;
#endif
/* Value is TRUE if register/mode pair is acceptable. */
@@ -265,15 +185,8 @@
static GTY(()) section *tls_private_data_section;
static GTY(()) section *read_only_private_data_section;
static GTY(()) section *sdata2_section;
-static GTY(()) section *toc_section;
-
-struct builtin_description
-{
- const HOST_WIDE_INT mask;
- const enum insn_code icode;
- const char *const name;
- const enum rs6000_builtins code;
-};
+
+section *toc_section = 0;
/* Describe the vector unit used for modes. */
enum rs6000_vector rs6000_vector_unit[NUM_MACHINE_MODES];
@@ -287,7 +200,7 @@
int rs6000_vector_align[NUM_MACHINE_MODES];
/* Map selected modes to types for builtins. */
-static GTY(()) tree builtin_mode_to_type[MAX_MACHINE_MODE][2];
+tree builtin_mode_to_type[MAX_MACHINE_MODE][2];
/* What modes to automatically generate reciprocal divide estimate (fre) and
reciprocal sqrt (frsqrte) for. */
@@ -337,82 +250,6 @@
{ "rsqrtd", (RECIP_DF_RSQRT | RECIP_V2DF_RSQRT) },
};
-/* Used by __builtin_cpu_is(), mapping from PLATFORM names to values. */
-static const struct
-{
- const char *cpu;
- unsigned int cpuid;
-} cpu_is_info[] = {
- { "power9", PPC_PLATFORM_POWER9 },
- { "power8", PPC_PLATFORM_POWER8 },
- { "power7", PPC_PLATFORM_POWER7 },
- { "power6x", PPC_PLATFORM_POWER6X },
- { "power6", PPC_PLATFORM_POWER6 },
- { "power5+", PPC_PLATFORM_POWER5_PLUS },
- { "power5", PPC_PLATFORM_POWER5 },
- { "ppc970", PPC_PLATFORM_PPC970 },
- { "power4", PPC_PLATFORM_POWER4 },
- { "ppca2", PPC_PLATFORM_PPCA2 },
- { "ppc476", PPC_PLATFORM_PPC476 },
- { "ppc464", PPC_PLATFORM_PPC464 },
- { "ppc440", PPC_PLATFORM_PPC440 },
- { "ppc405", PPC_PLATFORM_PPC405 },
- { "ppc-cell-be", PPC_PLATFORM_CELL_BE }
-};
-
-/* Used by __builtin_cpu_supports(), mapping from HWCAP names to masks. */
-static const struct
-{
- const char *hwcap;
- int mask;
- unsigned int id;
-} cpu_supports_info[] = {
- /* AT_HWCAP masks. */
- { "4xxmac", PPC_FEATURE_HAS_4xxMAC, 0 },
- { "altivec", PPC_FEATURE_HAS_ALTIVEC, 0 },
- { "arch_2_05", PPC_FEATURE_ARCH_2_05, 0 },
- { "arch_2_06", PPC_FEATURE_ARCH_2_06, 0 },
- { "archpmu", PPC_FEATURE_PERFMON_COMPAT, 0 },
- { "booke", PPC_FEATURE_BOOKE, 0 },
- { "cellbe", PPC_FEATURE_CELL_BE, 0 },
- { "dfp", PPC_FEATURE_HAS_DFP, 0 },
- { "efpdouble", PPC_FEATURE_HAS_EFP_DOUBLE, 0 },
- { "efpsingle", PPC_FEATURE_HAS_EFP_SINGLE, 0 },
- { "fpu", PPC_FEATURE_HAS_FPU, 0 },
- { "ic_snoop", PPC_FEATURE_ICACHE_SNOOP, 0 },
- { "mmu", PPC_FEATURE_HAS_MMU, 0 },
- { "notb", PPC_FEATURE_NO_TB, 0 },
- { "pa6t", PPC_FEATURE_PA6T, 0 },
- { "power4", PPC_FEATURE_POWER4, 0 },
- { "power5", PPC_FEATURE_POWER5, 0 },
- { "power5+", PPC_FEATURE_POWER5_PLUS, 0 },
- { "power6x", PPC_FEATURE_POWER6_EXT, 0 },
- { "ppc32", PPC_FEATURE_32, 0 },
- { "ppc601", PPC_FEATURE_601_INSTR, 0 },
- { "ppc64", PPC_FEATURE_64, 0 },
- { "ppcle", PPC_FEATURE_PPC_LE, 0 },
- { "smt", PPC_FEATURE_SMT, 0 },
- { "spe", PPC_FEATURE_HAS_SPE, 0 },
- { "true_le", PPC_FEATURE_TRUE_LE, 0 },
- { "ucache", PPC_FEATURE_UNIFIED_CACHE, 0 },
- { "vsx", PPC_FEATURE_HAS_VSX, 0 },
-
- /* AT_HWCAP2 masks. */
- { "arch_2_07", PPC_FEATURE2_ARCH_2_07, 1 },
- { "dscr", PPC_FEATURE2_HAS_DSCR, 1 },
- { "ebb", PPC_FEATURE2_HAS_EBB, 1 },
- { "htm", PPC_FEATURE2_HAS_HTM, 1 },
- { "htm-nosc", PPC_FEATURE2_HTM_NOSC, 1 },
- { "htm-no-suspend", PPC_FEATURE2_HTM_NO_SUSPEND, 1 },
- { "isel", PPC_FEATURE2_HAS_ISEL, 1 },
- { "tar", PPC_FEATURE2_HAS_TAR, 1 },
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