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-rw-r--r--toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99371.patch663
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diff --git a/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99371.patch b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99371.patch
new file mode 100644
index 0000000..be10216
--- /dev/null
+++ b/toolchain-layer/recipes-devtools/gcc/gcc-4.5/linaro/gcc-4.5-linaro-r99371.patch
@@ -0,0 +1,663 @@
+2010-08-24 Andrew Stubbs <ams@codesourcery.com>
+
+ Backport from FSF:
+
+ 2010-08-07 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ * config/arm/cortex-a9.md: Rewrite VFP Pipeline description.
+ * config/arm/arm.c (arm_xscale_tune): Initialize sched_adjust_cost.
+ (arm_fastmul_tune,arm_slowmul_tune, arm_9e_tune): Likewise.
+ (arm_adjust_cost): Split into xscale_sched_adjust_cost and a
+ generic part.
+ (cortex_a9_sched_adjust_cost): New function.
+ (xscale_sched_adjust_cost): New function.
+ * config/arm/arm-protos.h (struct tune_params): New field
+ sched_adjust_cost.
+ * config/arm/arm-cores.def: Adjust costs for cortex-a9.
+
+ 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm-protos.h (tune_params): New structure.
+ * arm.c (current_tune): New variable.
+ (arm_constant_limit): Delete.
+ (struct processors): Add pointer to the tune parameters.
+ (arm_slowmul_tune): New tuning option.
+ (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
+ (all_cores): Adjust to pick up the tuning model.
+ (arm_constant_limit): New function.
+ (arm_override_options): Select the appropriate tuning model. Delete
+ initialization of arm_const_limit.
+ (arm_split_constant): Use the new constant-limit model.
+ (arm_rtx_costs): Pick up the current tuning model.
+ * arm.md (is_strongarm, is_xscale): Delete.
+ * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
+ for Xscale variant architectures.
+ (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
+
+ 2010-08-23 Andrew Stubbs <ams@codesourcery.com>
+
+ Backport from FSF:
+
+=== modified file 'gcc/config/arm/arm-cores.def'
+--- old/gcc/config/arm/arm-cores.def 2010-07-29 15:53:39 +0000
++++ new/gcc/config/arm/arm-cores.def 2010-08-24 13:15:54 +0000
+@@ -120,7 +120,7 @@
+ ARM_CORE("arm1156t2f-s", arm1156t2fs, 6T2, FL_LDSCHED | FL_VFPV2, 9e)
+ ARM_CORE("cortex-a5", cortexa5, 7A, FL_LDSCHED, 9e)
+ ARM_CORE("cortex-a8", cortexa8, 7A, FL_LDSCHED, 9e)
+-ARM_CORE("cortex-a9", cortexa9, 7A, FL_LDSCHED, 9e)
++ARM_CORE("cortex-a9", cortexa9, 7A, FL_LDSCHED, cortex_a9)
+ ARM_CORE("cortex-r4", cortexr4, 7R, FL_LDSCHED, 9e)
+ ARM_CORE("cortex-r4f", cortexr4f, 7R, FL_LDSCHED, 9e)
+ ARM_CORE("cortex-m4", cortexm4, 7EM, FL_LDSCHED, 9e)
+
+=== modified file 'gcc/config/arm/arm-generic.md'
+--- old/gcc/config/arm/arm-generic.md 2007-08-02 09:49:31 +0000
++++ new/gcc/config/arm/arm-generic.md 2010-08-24 13:15:54 +0000
+@@ -104,14 +104,14 @@
+ (and (eq_attr "generic_sched" "yes")
+ (and (eq_attr "ldsched" "yes")
+ (and (eq_attr "type" "load_byte,load1")
+- (eq_attr "is_xscale" "yes"))))
++ (eq_attr "tune" "xscale,iwmmxt,iwmmxt2"))))
+ "core")
+
+ (define_insn_reservation "load_ldsched" 2
+ (and (eq_attr "generic_sched" "yes")
+ (and (eq_attr "ldsched" "yes")
+ (and (eq_attr "type" "load_byte,load1")
+- (eq_attr "is_xscale" "no"))))
++ (eq_attr "tune" "!xscale,iwmmxt,iwmmxt2"))))
+ "core")
+
+ (define_insn_reservation "load_or_store" 2
+@@ -128,14 +128,16 @@
+ (define_insn_reservation "mult_ldsched_strongarm" 3
+ (and (eq_attr "generic_sched" "yes")
+ (and (eq_attr "ldsched" "yes")
+- (and (eq_attr "is_strongarm" "yes")
++ (and (eq_attr "tune"
++ "strongarm,strongarm110,strongarm1100,strongarm1110")
+ (eq_attr "type" "mult"))))
+ "core*2")
+
+ (define_insn_reservation "mult_ldsched" 4
+ (and (eq_attr "generic_sched" "yes")
+ (and (eq_attr "ldsched" "yes")
+- (and (eq_attr "is_strongarm" "no")
++ (and (eq_attr "tune"
++ "!strongarm,strongarm110,strongarm1100,strongarm1110")
+ (eq_attr "type" "mult"))))
+ "core*4")
+
+
+=== modified file 'gcc/config/arm/arm-protos.h'
+--- old/gcc/config/arm/arm-protos.h 2010-08-10 13:31:21 +0000
++++ new/gcc/config/arm/arm-protos.h 2010-08-24 13:15:54 +0000
+@@ -214,4 +214,17 @@
+
+ extern void arm_order_regs_for_local_alloc (void);
+
++#ifdef RTX_CODE
++/* This needs to be here because we need RTX_CODE and similar. */
++
++struct tune_params
++{
++ bool (*rtx_costs) (rtx, RTX_CODE, RTX_CODE, int *, bool);
++ bool (*sched_adjust_cost) (rtx, rtx, rtx, int *);
++ int constant_limit;
++};
++
++extern const struct tune_params *current_tune;
++#endif /* RTX_CODE */
++
+ #endif /* ! GCC_ARM_PROTOS_H */
+
+=== modified file 'gcc/config/arm/arm.c'
+--- old/gcc/config/arm/arm.c 2010-08-20 16:21:01 +0000
++++ new/gcc/config/arm/arm.c 2010-08-24 13:15:54 +0000
+@@ -228,6 +228,8 @@
+ static void arm_trampoline_init (rtx, tree, rtx);
+ static rtx arm_trampoline_adjust_address (rtx);
+ static rtx arm_pic_static_addr (rtx orig, rtx reg);
++static bool cortex_a9_sched_adjust_cost (rtx, rtx, rtx, int *);
++static bool xscale_sched_adjust_cost (rtx, rtx, rtx, int *);
+ static bool arm_vector_alignment_reachable (const_tree type, bool is_packed);
+ static bool arm_builtin_support_vector_misalignment (enum machine_mode mode,
+ const_tree type,
+@@ -545,6 +547,9 @@
+ /* The processor for which instructions should be scheduled. */
+ enum processor_type arm_tune = arm_none;
+
++/* The current tuning set. */
++const struct tune_params *current_tune;
++
+ /* The default processor used if not overridden by commandline. */
+ static enum processor_type arm_default_cpu = arm_none;
+
+@@ -720,9 +725,6 @@
+ the next function. */
+ static int after_arm_reorg = 0;
+
+-/* The maximum number of insns to be used when loading a constant. */
+-static int arm_constant_limit = 3;
+-
+ enum arm_pcs arm_pcs_default;
+
+ /* For an explanation of these variables, see final_prescan_insn below. */
+@@ -761,8 +763,44 @@
+ enum processor_type core;
+ const char *arch;
+ const unsigned long flags;
+- bool (* rtx_costs) (rtx, enum rtx_code, enum rtx_code, int *, bool);
+-};
++ const struct tune_params *const tune;
++};
++
++const struct tune_params arm_slowmul_tune =
++{
++ arm_slowmul_rtx_costs,
++ NULL,
++ 3
++};
++
++const struct tune_params arm_fastmul_tune =
++{
++ arm_fastmul_rtx_costs,
++ NULL,
++ 1
++};
++
++const struct tune_params arm_xscale_tune =
++{
++ arm_xscale_rtx_costs,
++ xscale_sched_adjust_cost,
++ 2
++};
++
++const struct tune_params arm_9e_tune =
++{
++ arm_9e_rtx_costs,
++ NULL,
++ 1
++};
++
++const struct tune_params arm_cortex_a9_tune =
++{
++ arm_9e_rtx_costs,
++ cortex_a9_sched_adjust_cost,
++ 1
++};
++
+
+ /* Not all of these give usefully different compilation alternatives,
+ but there is no simple way of generalizing them. */
+@@ -770,7 +808,7 @@
+ {
+ /* ARM Cores */
+ #define ARM_CORE(NAME, IDENT, ARCH, FLAGS, COSTS) \
+- {NAME, arm_none, #ARCH, FLAGS | FL_FOR_ARCH##ARCH, arm_##COSTS##_rtx_costs},
++ {NAME, arm_none, #ARCH, FLAGS | FL_FOR_ARCH##ARCH, &arm_##COSTS##_tune},
+ #include "arm-cores.def"
+ #undef ARM_CORE
+ {NULL, arm_none, NULL, 0, NULL}
+@@ -779,7 +817,7 @@
+ static const struct processors all_architectures[] =
+ {
+ /* ARM Architectures */
+- /* We don't specify rtx_costs here as it will be figured out
++ /* We don't specify tuning costs here as it will be figured out
+ from the core. */
+
+ {"armv2", arm2, "2", FL_CO_PROC | FL_MODE26 | FL_FOR_ARCH2, NULL},
+@@ -928,6 +966,13 @@
+ TLS_LE32
+ };
+
++/* The maximum number of insns to be used when loading a constant. */
++inline static int
++arm_constant_limit (bool size_p)
++{
++ return size_p ? 1 : current_tune->constant_limit;
++}
++
+ /* Emit an insn that's a simple single-set. Both the operands must be known
+ to be valid. */
+ inline static rtx
+@@ -1478,6 +1523,7 @@
+ }
+
+ tune_flags = all_cores[(int)arm_tune].flags;
++ current_tune = all_cores[(int)arm_tune].tune;
+
+ if (target_fp16_format_name)
+ {
+@@ -1875,26 +1921,12 @@
+
+ if (optimize_size)
+ {
+- arm_constant_limit = 1;
+-
+ /* If optimizing for size, bump the number of instructions that we
+ are prepared to conditionally execute (even on a StrongARM). */
+ max_insns_skipped = 6;
+ }
+ else
+ {
+- /* For processors with load scheduling, it never costs more than
+- 2 cycles to load a constant, and the load scheduler may well
+- reduce that to 1. */
+- if (arm_ld_sched)
+- arm_constant_limit = 1;
+-
+- /* On XScale the longer latency of a load makes it more difficult
+- to achieve a good schedule, so it's faster to synthesize
+- constants that can be done in two insns. */
+- if (arm_tune_xscale)
+- arm_constant_limit = 2;
+-
+ /* StrongARM has early execution of branches, so a sequence
+ that is worth skipping is shorter. */
+ if (arm_tune_strongarm)
+@@ -2423,7 +2455,8 @@
+ && !cond
+ && (arm_gen_constant (code, mode, NULL_RTX, val, target, source,
+ 1, 0)
+- > arm_constant_limit + (code != SET)))
++ > (arm_constant_limit (optimize_function_for_size_p (cfun))
++ + (code != SET))))
+ {
+ if (code == SET)
+ {
+@@ -7771,9 +7804,9 @@
+ (enum rtx_code) outer_code, total);
+ }
+ else
+- return all_cores[(int)arm_tune].rtx_costs (x, (enum rtx_code) code,
+- (enum rtx_code) outer_code,
+- total, speed);
++ return current_tune->rtx_costs (x, (enum rtx_code) code,
++ (enum rtx_code) outer_code,
++ total, speed);
+ }
+
+ /* RTX costs for cores with a slow MUL implementation. Thumb-2 is not
+@@ -7918,7 +7951,8 @@
+ so it can be ignored. */
+
+ static bool
+-arm_xscale_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer_code, int *total, bool speed)
++arm_xscale_rtx_costs (rtx x, enum rtx_code code, enum rtx_code outer_code,
++ int *total, bool speed)
+ {
+ enum machine_mode mode = GET_MODE (x);
+
+@@ -8119,15 +8153,15 @@
+ return TARGET_32BIT ? arm_arm_address_cost (x) : arm_thumb_address_cost (x);
+ }
+
+-static int
+-arm_adjust_cost (rtx insn, rtx link, rtx dep, int cost)
++/* Adjust cost hook for XScale. */
++static bool
++xscale_sched_adjust_cost (rtx insn, rtx link, rtx dep, int * cost)
+ {
+ rtx i_pat, d_pat;
+
+ /* Some true dependencies can have a higher cost depending
+ on precisely how certain input operands are used. */
+- if (arm_tune_xscale
+- && REG_NOTE_KIND (link) == 0
++ if (REG_NOTE_KIND (link) == 0
+ && recog_memoized (insn) >= 0
+ && recog_memoized (dep) >= 0)
+ {
+@@ -8161,10 +8195,106 @@
+
+ if (reg_overlap_mentioned_p (recog_data.operand[opno],
+ shifted_operand))
+- return 2;
++ {
++ *cost = 2;
++ return false;
++ }
+ }
+ }
+ }
++ return true;
++}
++
++/* Adjust cost hook for Cortex A9. */
++static bool
++cortex_a9_sched_adjust_cost (rtx insn, rtx link, rtx dep, int * cost)
++{
++ switch (REG_NOTE_KIND (link))
++ {
++ case REG_DEP_ANTI:
++ *cost = 0;
++ return false;
++
++ case REG_DEP_TRUE:
++ case REG_DEP_OUTPUT:
++ if (recog_memoized (insn) >= 0
++ && recog_memoized (dep) >= 0)
++ {
++ if (GET_CODE (PATTERN (insn)) == SET)
++ {
++ if (GET_MODE_CLASS
++ (GET_MODE (SET_DEST (PATTERN (insn)))) == MODE_FLOAT
++ || GET_MODE_CLASS
++ (GET_MODE (SET_SRC (PATTERN (insn)))) == MODE_FLOAT)
++ {
++ enum attr_type attr_type_insn = get_attr_type (insn);
++ enum attr_type attr_type_dep = get_attr_type (dep);
++
++ /* By default all dependencies of the form
++ s0 = s0 <op> s1
++ s0 = s0 <op> s2
++ have an extra latency of 1 cycle because
++ of the input and output dependency in this
++ case. However this gets modeled as an true
++ dependency and hence all these checks. */
++ if (REG_P (SET_DEST (PATTERN (insn)))
++ && REG_P (SET_DEST (PATTERN (dep)))
++ && reg_overlap_mentioned_p (SET_DEST (PATTERN (insn)),
++ SET_DEST (PATTERN (dep))))
++ {
++ /* FMACS is a special case where the dependant
++ instruction can be issued 3 cycles before
++ the normal latency in case of an output
++ dependency. */
++ if ((attr_type_insn == TYPE_FMACS
++ || attr_type_insn == TYPE_FMACD)
++ && (attr_type_dep == TYPE_FMACS
++ || attr_type_dep == TYPE_FMACD))
++ {
++ if (REG_NOTE_KIND (link) == REG_DEP_OUTPUT)
++ *cost = insn_default_latency (dep) - 3;
++ else
++ *cost = insn_default_latency (dep);
++ return false;
++ }
++ else
++ {
++ if (REG_NOTE_KIND (link) == REG_DEP_OUTPUT)
++ *cost = insn_default_latency (dep) + 1;
++ else
++ *cost = insn_default_latency (dep);
++ }
++ return false;
++ }
++ }
++ }
++ }
++ break;
++
++ default:
++ gcc_unreachable ();
++ }
++
++ return true;
++}
++
++/* This function implements the target macro TARGET_SCHED_ADJUST_COST.
++ It corrects the value of COST based on the relationship between
++ INSN and DEP through the dependence LINK. It returns the new
++ value. There is a per-core adjust_cost hook to adjust scheduler costs
++ and the per-core hook can choose to completely override the generic
++ adjust_cost function. Only put bits of code into arm_adjust_cost that
++ are common across all cores. */
++static int
++arm_adjust_cost (rtx insn, rtx link, rtx dep, int cost)
++{
++ rtx i_pat, d_pat;
++
++ if (current_tune->sched_adjust_cost != NULL)
++ {
++ if (!current_tune->sched_adjust_cost (insn, link, dep, &cost))
++ return cost;
++ }
+
+ /* XXX This is not strictly true for the FPA. */
+ if (REG_NOTE_KIND (link) == REG_DEP_ANTI
+@@ -8187,7 +8317,8 @@
+ constant pool are cached, and that others will miss. This is a
+ hack. */
+
+- if ((GET_CODE (src_mem) == SYMBOL_REF && CONSTANT_POOL_ADDRESS_P (src_mem))
++ if ((GET_CODE (src_mem) == SYMBOL_REF
++ && CONSTANT_POOL_ADDRESS_P (src_mem))
+ || reg_mentioned_p (stack_pointer_rtx, src_mem)
+ || reg_mentioned_p (frame_pointer_rtx, src_mem)
+ || reg_mentioned_p (hard_frame_pointer_rtx, src_mem))
+
+=== modified file 'gcc/config/arm/arm.md'
+--- old/gcc/config/arm/arm.md 2010-08-23 14:39:12 +0000
++++ new/gcc/config/arm/arm.md 2010-08-24 13:15:54 +0000
+@@ -150,13 +150,6 @@
+ ; patterns that share the same RTL in both ARM and Thumb code.
+ (define_attr "is_thumb" "no,yes" (const (symbol_ref "thumb_code")))
+
+-; IS_STRONGARM is set to 'yes' when compiling for StrongARM, it affects
+-; scheduling decisions for the load unit and the multiplier.
+-(define_attr "is_strongarm" "no,yes" (const (symbol_ref "arm_tune_strongarm")))
+-
+-; IS_XSCALE is set to 'yes' when compiling for XScale.
+-(define_attr "is_xscale" "no,yes" (const (symbol_ref "arm_tune_xscale")))
+-
+ ;; Operand number of an input operand that is shifted. Zero if the
+ ;; given instruction does not shift one of its input operands.
+ (define_attr "shift" "" (const_int 0))
+
+=== modified file 'gcc/config/arm/cortex-a9.md'
+--- old/gcc/config/arm/cortex-a9.md 2009-10-31 16:40:03 +0000
++++ new/gcc/config/arm/cortex-a9.md 2010-08-24 13:15:54 +0000
+@@ -2,8 +2,10 @@
+ ;; Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+ ;; Originally written by CodeSourcery for VFP.
+ ;;
+-;; Integer core pipeline description contributed by ARM Ltd.
+-;;
++;; Rewritten by Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
++;; Integer Pipeline description contributed by ARM Ltd.
++;; VFP Pipeline description rewritten and contributed by ARM Ltd.
++
+ ;; This file is part of GCC.
+ ;;
+ ;; GCC is free software; you can redistribute it and/or modify it
+@@ -22,28 +24,27 @@
+
+ (define_automaton "cortex_a9")
+
+-;; The Cortex-A9 integer core is modelled as a dual issue pipeline that has
++;; The Cortex-A9 core is modelled as a dual issue pipeline that has
+ ;; the following components.
+ ;; 1. 1 Load Store Pipeline.
+ ;; 2. P0 / main pipeline for data processing instructions.
+ ;; 3. P1 / Dual pipeline for Data processing instructions.
+ ;; 4. MAC pipeline for multiply as well as multiply
+ ;; and accumulate instructions.
+-;; 5. 1 VFP / Neon pipeline.
+-;; The Load/Store and VFP/Neon pipeline are multiplexed.
++;; 5. 1 VFP and an optional Neon unit.
++;; The Load/Store, VFP and Neon issue pipeline are multiplexed.
+ ;; The P0 / main pipeline and M1 stage of the MAC pipeline are
+ ;; multiplexed.
+ ;; The P1 / dual pipeline and M2 stage of the MAC pipeline are
+ ;; multiplexed.
+-;; There are only 4 register read ports and hence at any point of
++;; There are only 4 integer register read ports and hence at any point of
+ ;; time we can't have issue down the E1 and the E2 ports unless
+ ;; of course there are bypass paths that get exercised.
+ ;; Both P0 and P1 have 2 stages E1 and E2.
+ ;; Data processing instructions issue to E1 or E2 depending on
+ ;; whether they have an early shift or not.
+
+-
+-(define_cpu_unit "cortex_a9_vfp, cortex_a9_ls" "cortex_a9")
++(define_cpu_unit "ca9_issue_vfp_neon, cortex_a9_ls" "cortex_a9")
+ (define_cpu_unit "cortex_a9_p0_e1, cortex_a9_p0_e2" "cortex_a9")
+ (define_cpu_unit "cortex_a9_p1_e1, cortex_a9_p1_e2" "cortex_a9")
+ (define_cpu_unit "cortex_a9_p0_wb, cortex_a9_p1_wb" "cortex_a9")
+@@ -71,11 +72,7 @@
+
+ ;; Issue at the same time along the load store pipeline and
+ ;; the VFP / Neon pipeline is not possible.
+-;; FIXME:: At some point we need to model the issue
+-;; of the load store and the vfp being shared rather than anything else.
+-
+-(exclusion_set "cortex_a9_ls" "cortex_a9_vfp")
+-
++(exclusion_set "cortex_a9_ls" "ca9_issue_vfp_neon")
+
+ ;; Default data processing instruction without any shift
+ ;; The only exception to this is the mov instruction
+@@ -101,18 +98,13 @@
+
+ (define_insn_reservation "cortex_a9_load1_2" 4
+ (and (eq_attr "tune" "cortexa9")
+- (eq_attr "type" "load1, load2, load_byte"))
++ (eq_attr "type" "load1, load2, load_byte, f_loads, f_loadd"))
+ "cortex_a9_ls")
+
+ ;; Loads multiples and store multiples can't be issued for 2 cycles in a
+ ;; row. The description below assumes that addresses are 64 bit aligned.
+ ;; If not, there is an extra cycle latency which is not modelled.
+
+-;; FIXME:: This bit might need to be reworked when we get to
+-;; tuning for the VFP because strictly speaking the ldm
+-;; is sent to the LSU unit as is and there is only an
+-;; issue restriction between the LSU and the VFP/ Neon unit.
+-
+ (define_insn_reservation "cortex_a9_load3_4" 5
+ (and (eq_attr "tune" "cortexa9")
+ (eq_attr "type" "load3, load4"))
+@@ -120,12 +112,13 @@
+
+ (define_insn_reservation "cortex_a9_store1_2" 0
+ (and (eq_attr "tune" "cortexa9")
+- (eq_attr "type" "store1, store2"))
++ (eq_attr "type" "store1, store2, f_stores, f_stored"))
+ "cortex_a9_ls")
+
+ ;; Almost all our store multiples use an auto-increment
+ ;; form. Don't issue back to back load and store multiples
+ ;; because the load store unit will stall.
++
+ (define_insn_reservation "cortex_a9_store3_4" 0
+ (and (eq_attr "tune" "cortexa9")
+ (eq_attr "type" "store3, store4"))
+@@ -193,47 +186,79 @@
+ (define_insn_reservation "cortex_a9_call" 0
+ (and (eq_attr "tune" "cortexa9")
+ (eq_attr "type" "call"))
+- "cortex_a9_issue_branch + cortex_a9_multcycle1 + cortex_a9_ls + cortex_a9_vfp")
++ "cortex_a9_issue_branch + cortex_a9_multcycle1 + cortex_a9_ls + ca9_issue_vfp_neon")
+
+
+ ;; Pipelining for VFP instructions.
+-
+-(define_insn_reservation "cortex_a9_ffarith" 1
++;; Issue happens either along load store unit or the VFP / Neon unit.
++;; Pipeline Instruction Classification.
++;; FPS - fcpys, ffariths, ffarithd,r_2_f,f_2_r
++;; FP_ADD - fadds, faddd, fcmps (1)
++;; FPMUL - fmul{s,d}, fmac{s,d}
++;; FPDIV - fdiv{s,d}
++(define_cpu_unit "ca9fps" "cortex_a9")
++(define_cpu_unit "ca9fp_add1, ca9fp_add2, ca9fp_add3, ca9fp_add4" "cortex_a9")
++(define_cpu_unit "ca9fp_mul1, ca9fp_mul2 , ca9fp_mul3, ca9fp_mul4" "cortex_a9")
++(define_cpu_unit "ca9fp_ds1" "cortex_a9")
++
++
++;; fmrs, fmrrd, fmstat and fmrx - The data is available after 1 cycle.
++(define_insn_reservation "cortex_a9_fps" 2
+ (and (eq_attr "tune" "cortexa9")
+- (eq_attr "type" "fcpys,ffariths,ffarithd,fcmps,fcmpd,fconsts,fconstd"))
+- "cortex_a9_vfp")
++ (eq_attr "type" "fcpys, fconsts, fconstd, ffariths, ffarithd, r_2_f, f_2_r, f_flag"))
++ "ca9_issue_vfp_neon + ca9fps")
++
++(define_bypass 1
++ "cortex_a9_fps"
++ "cortex_a9_fadd, cortex_a9_fps, cortex_a9_fcmp, cortex_a9_dp, cortex_a9_dp_shift, cortex_a9_multiply")
++
++;; Scheduling on the FP_ADD pipeline.
++(define_reservation "ca9fp_add" "ca9_issue_vfp_neon + ca9fp_add1, ca9fp_add2, ca9fp_add3, ca9fp_add4")
+
+ (define_insn_reservation "cortex_a9_fadd" 4
+- (and (eq_attr "tune" "cortexa9")
+- (eq_attr "type" "fadds,faddd,f_cvt"))
+- "cortex_a9_vfp")
+-
+-(define_insn_reservation "cortex_a9_fmuls" 5
+- (and (eq_attr "tune" "cortexa9")
+- (eq_attr "type" "fmuls"))
+- "cortex_a9_vfp")
+-
+-(define_insn_reservation "cortex_a9_fmuld" 6
+- (and (eq_attr "tune" "cortexa9")
+- (eq_attr "type" "fmuld"))
+- "cortex_a9_vfp*2")
++ (and (eq_attr "tune" "cortexa9")
++ (eq_attr "type" "fadds, faddd, f_cvt"))
++ "ca9fp_add")
++
++(define_insn_reservation "cortex_a9_fcmp" 1
++ (and (eq_attr "tune" "cortexa9")
++ (eq_attr "type" "fcmps, fcmpd"))
++ "ca9_issue_vfp_neon + ca9fp_add1")
++
++;; Scheduling for the Multiply and MAC instructions.
++(define_reservation "ca9fmuls"
++ "ca9fp_mul1 + ca9_issue_vfp_neon, ca9fp_mul2, ca9fp_mul3, ca9fp_mul4")
++
++(define_reservation "ca9fmuld"
++ "ca9fp_mul1 + ca9_issue_vfp_neon, (ca9fp_mul1 + ca9fp_mul2), ca9fp_mul2, ca9fp_mul3, ca9fp_mul4")
++
++(define_insn_reservation "cortex_a9_fmuls" 4
++ (and (eq_attr "tune" "cortexa9")
++ (eq_attr "type" "fmuls"))
++ "ca9fmuls")
++
++(define_insn_reservation "cortex_a9_fmuld" 5
++ (and (eq_attr "tune" "cortexa9")
++ (eq_attr "type" "fmuld"))
++ "ca9fmuld")
+
+ (define_insn_reservation "cortex_a9_fmacs" 8
+- (and (eq_attr "tune" "cortexa9")
+- (eq_attr "type" "fmacs"))
+- "cortex_a9_vfp")
+-
+-(define_insn_reservation "cortex_a9_fmacd" 8
+- (and (eq_attr "tune" "cortexa9")
+- (eq_attr "type" "fmacd"))
+- "cortex_a9_vfp*2")
+-
++ (and (eq_attr "tune" "cortexa9")
++ (eq_attr "type" "fmacs"))
++ "ca9fmuls, ca9fp_add")
++
++(define_insn_reservation "cortex_a9_fmacd" 9
++ (and (eq_attr "tune" "cortexa9")
++ (eq_attr "type" "fmacd"))
++ "ca9fmuld, ca9fp_add")
++
++;; Division pipeline description.
+ (define_insn_reservation "cortex_a9_fdivs" 15
+- (and (eq_attr "tune" "cortexa9")
+- (eq_attr "type" "fdivs"))
+- "cortex_a9_vfp*10")
++ (and (eq_attr "tune" "cortexa9")
++ (eq_attr "type" "fdivs"))
++ "ca9fp_ds1 + ca9_issue_vfp_neon, nothing*14")
+
+ (define_insn_reservation "cortex_a9_fdivd" 25
+- (and (eq_attr "tune" "cortexa9")
+- (eq_attr "type" "fdivd"))
+- "cortex_a9_vfp*20")
++ (and (eq_attr "tune" "cortexa9")
++ (eq_attr "type" "fdivd"))
++ "ca9fp_ds1 + ca9_issue_vfp_neon, nothing*24")
+