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java-11-openjdk/jdk8224851-aarch64_compiler_fixes.patch

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Account for building with GCC 10: JDK-8224851, -fcommon switch - GCC 10 turns on -fno-common by default, breaking the HotSpot build - There is a duplicate declaration of 'using MacroAssembler::call_VM_leaf_base' in interp_masm_aarch64.hpp which GCC 10 doesn't like anymore. Backport of JDK-8224851 fixes that. - Update to January 2020 CPU sources (11.0.6+10). - Switch to GA mode. - Add JDK-8236039 backport to resolve OpenShift blocker. - Add JDK-8224851 backport to resolve AArch64 compiler issues. Contributed-by: Andrew Hughes <gnu.andrew@redhat.com>
2020-01-27 16:27:43 +00:00
# HG changeset patch
# User ngasson
# Date 1560756709 -28800
# Mon Jun 17 15:31:49 2019 +0800
# Node ID e53ec3b362f42ca94b120141b6da6dcfeba346f2
# Parent 5eeee2cc94f5937ca847f635d9e0510b355bb2af
8224851: AArch64: fix warnings and errors with Clang and GCC 8.3
Reviewed-by: aph, kbarrett
diff --git a/src/hotspot/cpu/aarch64/aarch64.ad b/src/hotspot/cpu/aarch64/aarch64.ad
--- a/src/hotspot/cpu/aarch64/aarch64.ad
+++ b/src/hotspot/cpu/aarch64/aarch64.ad
@@ -13748,7 +13748,7 @@
format %{ "fcmps $src1, 0.0" %}
ins_encode %{
- __ fcmps(as_FloatRegister($src1$$reg), 0.0D);
+ __ fcmps(as_FloatRegister($src1$$reg), 0.0);
%}
ins_pipe(pipe_class_compare);
@@ -13777,7 +13777,7 @@
format %{ "fcmpd $src1, 0.0" %}
ins_encode %{
- __ fcmpd(as_FloatRegister($src1$$reg), 0.0D);
+ __ fcmpd(as_FloatRegister($src1$$reg), 0.0);
%}
ins_pipe(pipe_class_compare);
@@ -13853,7 +13853,7 @@
Label done;
FloatRegister s1 = as_FloatRegister($src1$$reg);
Register d = as_Register($dst$$reg);
- __ fcmps(s1, 0.0D);
+ __ fcmps(s1, 0.0);
// installs 0 if EQ else -1
__ csinvw(d, zr, zr, Assembler::EQ);
// keeps -1 if less or unordered else installs 1
@@ -13880,7 +13880,7 @@
Label done;
FloatRegister s1 = as_FloatRegister($src1$$reg);
Register d = as_Register($dst$$reg);
- __ fcmpd(s1, 0.0D);
+ __ fcmpd(s1, 0.0);
// installs 0 if EQ else -1
__ csinvw(d, zr, zr, Assembler::EQ);
// keeps -1 if less or unordered else installs 1
diff --git a/src/hotspot/cpu/aarch64/assembler_aarch64.hpp b/src/hotspot/cpu/aarch64/assembler_aarch64.hpp
--- a/src/hotspot/cpu/aarch64/assembler_aarch64.hpp
+++ b/src/hotspot/cpu/aarch64/assembler_aarch64.hpp
@@ -276,7 +276,7 @@
unsigned get(int msb = 31, int lsb = 0) {
int nbits = msb - lsb + 1;
unsigned mask = ((1U << nbits) - 1) << lsb;
- assert_cond(bits & mask == mask);
+ assert_cond((bits & mask) == mask);
return (insn & mask) >> lsb;
}
@@ -2580,7 +2580,7 @@
// RBIT only allows T8B and T16B but encodes them oddly. Argh...
void rbit(FloatRegister Vd, SIMD_Arrangement T, FloatRegister Vn) {
assert((ASSERTION), MSG);
- _rbit(Vd, SIMD_Arrangement(T & 1 | 0b010), Vn);
+ _rbit(Vd, SIMD_Arrangement((T & 1) | 0b010), Vn);
}
#undef ASSERTION
diff --git a/src/hotspot/cpu/aarch64/c1_LIRAssembler_aarch64.cpp b/src/hotspot/cpu/aarch64/c1_LIRAssembler_aarch64.cpp
--- a/src/hotspot/cpu/aarch64/c1_LIRAssembler_aarch64.cpp
+++ b/src/hotspot/cpu/aarch64/c1_LIRAssembler_aarch64.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2014, Red Hat Inc. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
@@ -1091,8 +1091,8 @@
// Assembler::EQ does not permit unordered branches, so we add
// another branch here. Likewise, Assembler::NE does not permit
// ordered branches.
- if (is_unordered && op->cond() == lir_cond_equal
- || !is_unordered && op->cond() == lir_cond_notEqual)
+ if ((is_unordered && op->cond() == lir_cond_equal)
+ || (!is_unordered && op->cond() == lir_cond_notEqual))
__ br(Assembler::VS, *(op->ublock()->label()));
switch(op->cond()) {
case lir_cond_equal: acond = Assembler::EQ; break;
@@ -1775,18 +1775,22 @@
switch (code) {
case lir_add: __ fadds (dest->as_float_reg(), left->as_float_reg(), right->as_float_reg()); break;
case lir_sub: __ fsubs (dest->as_float_reg(), left->as_float_reg(), right->as_float_reg()); break;
+ case lir_mul_strictfp: // fall through
case lir_mul: __ fmuls (dest->as_float_reg(), left->as_float_reg(), right->as_float_reg()); break;
+ case lir_div_strictfp: // fall through
case lir_div: __ fdivs (dest->as_float_reg(), left->as_float_reg(), right->as_float_reg()); break;
default:
ShouldNotReachHere();
}
} else if (left->is_double_fpu()) {
if (right->is_double_fpu()) {
- // cpu register - cpu register
+ // fpu register - fpu register
switch (code) {
case lir_add: __ faddd (dest->as_double_reg(), left->as_double_reg(), right->as_double_reg()); break;
case lir_sub: __ fsubd (dest->as_double_reg(), left->as_double_reg(), right->as_double_reg()); break;
+ case lir_mul_strictfp: // fall through
case lir_mul: __ fmuld (dest->as_double_reg(), left->as_double_reg(), right->as_double_reg()); break;
+ case lir_div_strictfp: // fall through
case lir_div: __ fdivd (dest->as_double_reg(), left->as_double_reg(), right->as_double_reg()); break;
default:
ShouldNotReachHere();
diff --git a/src/hotspot/cpu/aarch64/c1_LIRGenerator_aarch64.cpp b/src/hotspot/cpu/aarch64/c1_LIRGenerator_aarch64.cpp
--- a/src/hotspot/cpu/aarch64/c1_LIRGenerator_aarch64.cpp
+++ b/src/hotspot/cpu/aarch64/c1_LIRGenerator_aarch64.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2014, Red Hat, Inc. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
@@ -426,7 +426,7 @@
tmp = new_register(T_DOUBLE);
}
- arithmetic_op_fpu(x->op(), reg, left.result(), right.result(), NULL);
+ arithmetic_op_fpu(x->op(), reg, left.result(), right.result(), x->is_strictfp());
set_result(x, round_item(reg));
}
diff --git a/src/hotspot/cpu/aarch64/frame_aarch64.cpp b/src/hotspot/cpu/aarch64/frame_aarch64.cpp
--- a/src/hotspot/cpu/aarch64/frame_aarch64.cpp
+++ b/src/hotspot/cpu/aarch64/frame_aarch64.cpp
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2014, Red Hat Inc. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
@@ -767,11 +767,13 @@
extern "C" void pf(unsigned long sp, unsigned long fp, unsigned long pc,
unsigned long bcx, unsigned long thread) {
- RegisterMap map((JavaThread*)thread, false);
if (!reg_map) {
- reg_map = (RegisterMap*)os::malloc(sizeof map, mtNone);
+ reg_map = NEW_C_HEAP_OBJ(RegisterMap, mtNone);
+ ::new (reg_map) RegisterMap((JavaThread*)thread, false);
+ } else {
+ *reg_map = RegisterMap((JavaThread*)thread, false);
}
- memcpy(reg_map, &map, sizeof map);
+
{
CodeBlob *cb = CodeCache::find_blob((address)pc);
if (cb && cb->frame_size())
diff --git a/src/hotspot/cpu/aarch64/interp_masm_aarch64.hpp b/src/hotspot/cpu/aarch64/interp_masm_aarch64.hpp
--- a/src/hotspot/cpu/aarch64/interp_masm_aarch64.hpp
+++ b/src/hotspot/cpu/aarch64/interp_masm_aarch64.hpp
@@ -38,8 +38,6 @@
protected:
protected:
- using MacroAssembler::call_VM_leaf_base;
-
// Interpreter specific version of call_VM_base
using MacroAssembler::call_VM_leaf_base;
diff --git a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
--- a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
+++ b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
@@ -2608,7 +2608,7 @@
if ((offset & (size-1)) && offset >= (1<<8)) {
add(tmp, base, offset & ((1<<12)-1));
base = tmp;
- offset &= -1<<12;
+ offset &= -1u<<12;
}
if (offset >= (1<<12) * size) {
diff --git a/src/hotspot/cpu/aarch64/macroAssembler_aarch64_log.cpp b/src/hotspot/cpu/aarch64/macroAssembler_aarch64_log.cpp
--- a/src/hotspot/cpu/aarch64/macroAssembler_aarch64_log.cpp
+++ b/src/hotspot/cpu/aarch64/macroAssembler_aarch64_log.cpp
@@ -286,7 +286,7 @@
frecpe(vtmp5, vtmp5, S); // vtmp5 ~= 1/vtmp5
lsr(tmp2, rscratch1, 48);
movz(tmp4, 0x77f0, 48);
- fmovd(vtmp4, 1.0d);
+ fmovd(vtmp4, 1.0);
movz(tmp1, INF_OR_NAN_PREFIX, 48);
bfm(tmp4, rscratch1, 0, 51); // tmp4 = 0x77F0 << 48 | mantissa(X)
// vtmp1 = AS_DOUBLE_BITS(0x77F0 << 48 | mantissa(X)) == mx
@@ -358,7 +358,7 @@
br(GE, DONE);
cmp(rscratch1, tmp2);
br(NE, CHECKED_CORNER_CASES);
- fmovd(v0, 0.0d);
+ fmovd(v0, 0.0);
}
bind(DONE);
ret(lr);
diff --git a/src/hotspot/cpu/aarch64/macroAssembler_aarch64_trig.cpp b/src/hotspot/cpu/aarch64/macroAssembler_aarch64_trig.cpp
--- a/src/hotspot/cpu/aarch64/macroAssembler_aarch64_trig.cpp
+++ b/src/hotspot/cpu/aarch64/macroAssembler_aarch64_trig.cpp
@@ -381,11 +381,11 @@
}
block_comment("nx calculation with unrolled while(tx[nx-1]==zeroA) nx--;"); {
- fcmpd(v26, 0.0d); // if NE then jx == 2. else it's 1 or 0
+ fcmpd(v26, 0.0); // if NE then jx == 2. else it's 1 or 0
add(iqBase, sp, 480); // base of iq[]
fmuld(v3, v26, v10);
br(NE, NX_SET);
- fcmpd(v7, 0.0d); // v7 == 0 => jx = 0. Else jx = 1
+ fcmpd(v7, 0.0); // v7 == 0 => jx = 0. Else jx = 1
csetw(jx, NE);
}
bind(NX_SET);
@@ -696,7 +696,7 @@
cmpw(jv, zr);
addw(tmp4, jx, 4); // tmp4 = m = jx + jk = jx + 4. jx is in {0,1,2} so m is in [4,5,6]
cselw(jv, jv, zr, GE);
- fmovd(v26, 0.0d);
+ fmovd(v26, 0.0);
addw(tmp5, jv, 1); // jv+1
subsw(j, jv, jx);
add(qBase, sp, 320); // base of q[]
@@ -819,8 +819,8 @@
movw(jz, 4);
fmovd(v17, i); // v17 = twon24
fmovd(v30, tmp5); // 2^q0
- fmovd(v21, 0.125d);
- fmovd(v20, 8.0d);
+ fmovd(v21, 0.125);
+ fmovd(v20, 8.0);
fmovd(v22, tmp4); // 2^-q0
block_comment("recompute loop"); {
@@ -877,7 +877,7 @@
lsr(ih, tmp2, 23); // ih = iq[z-1] >> 23
b(Q0_ZERO_CMP_DONE);
bind(Q0_ZERO_CMP_LT);
- fmovd(v4, 0.5d);
+ fmovd(v4, 0.5);
fcmpd(v18, v4);
cselw(ih, zr, ih, LT); // if (z<0.5) ih = 0
}
@@ -924,7 +924,7 @@
br(NE, IH_HANDLED);
block_comment("if(ih==2) {"); {
- fmovd(v25, 1.0d);
+ fmovd(v25, 1.0);
fsubd(v18, v25, v18); // z = one - z;
cbzw(rscratch2, IH_HANDLED);
fsubd(v18, v18, v30); // z -= scalbnA(one,q0);
@@ -932,7 +932,7 @@
}
bind(IH_HANDLED);
// check if recomputation is needed
- fcmpd(v18, 0.0d);
+ fcmpd(v18, 0.0);
br(NE, RECOMP_CHECK_DONE_NOT_ZERO);
block_comment("if(z==zeroB) {"); {
@@ -994,7 +994,7 @@
}
bind(RECOMP_CHECK_DONE);
// chop off zero terms
- fcmpd(v18, 0.0d);
+ fcmpd(v18, 0.0);
br(EQ, Z_IS_ZERO);
block_comment("else block of if(z==0.0) {"); {
@@ -1053,7 +1053,7 @@
movw(tmp2, zr); // tmp2 will keep jz - i == 0 at start
bind(COMP_FOR);
// for(fw=0.0,k=0;k<=jp&&k<=jz-i;k++) fw += PIo2[k]*q[i+k];
- fmovd(v30, 0.0d);
+ fmovd(v30, 0.0);
add(tmp5, qBase, i, LSL, 3); // address of q[i+k] for k==0
movw(tmp3, 4);
movw(tmp4, zr); // used as k
@@ -1081,7 +1081,7 @@
// remember prec == 2
block_comment("for (i=jz;i>=0;i--) fw += fq[i];"); {
- fmovd(v4, 0.0d);
+ fmovd(v4, 0.0);
mov(i, jz);
bind(FW_FOR1);
ldrd(v1, Address(rscratch2, i, Address::lsl(3)));
@@ -1319,7 +1319,7 @@
ld1(C1, C2, C3, C4, T1D, Address(rscratch2)); // load C1..C3\4
block_comment("calculate r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6)))))"); {
fmaddd(r, z, C6, C5);
- fmovd(half, 0.5d);
+ fmovd(half, 0.5);
fmaddd(r, z, r, C4);
fmuld(y, x, y);
fmaddd(r, z, r, C3);
@@ -1329,7 +1329,7 @@
fmaddd(r, z, r, C1); // r = C1+z(C2+z(C4+z(C5+z*C6)))
}
// need to multiply r by z to have "final" r value
- fmovd(one, 1.0d);
+ fmovd(one, 1.0);
cmp(ix, rscratch1);
br(GT, IX_IS_LARGE);
block_comment("if(ix < 0x3FD33333) return one - (0.5*z - (z*r - x*y))"); {
@@ -1352,7 +1352,7 @@
b(QX_SET);
bind(SET_QX_CONST);
block_comment("if(ix > 0x3fe90000) qx = 0.28125;"); {
- fmovd(qx, 0.28125d);
+ fmovd(qx, 0.28125);
}
bind(QX_SET);
fnmsub(C6, x, r, y); // z*r - xy
@@ -1443,7 +1443,7 @@
block_comment("kernel_sin/kernel_cos: if(ix<0x3e400000) {<fast return>}"); {
bind(TINY_X);
if (isCos) {
- fmovd(v0, 1.0d);
+ fmovd(v0, 1.0);
}
ret(lr);
}
diff --git a/src/hotspot/cpu/aarch64/vm_version_aarch64.cpp b/src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
--- a/src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
+++ b/src/hotspot/cpu/aarch64/vm_version_aarch64.cpp
@@ -169,7 +169,7 @@
if (FILE *f = fopen("/proc/cpuinfo", "r")) {
char buf[128], *p;
while (fgets(buf, sizeof (buf), f) != NULL) {
- if (p = strchr(buf, ':')) {
+ if ((p = strchr(buf, ':')) != NULL) {
long v = strtol(p+1, NULL, 0);
if (strncmp(buf, "CPU implementer", sizeof "CPU implementer" - 1) == 0) {
_cpu = v;
diff --git a/src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp b/src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp
--- a/src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp
+++ b/src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp
@@ -40,7 +40,9 @@
{
template<typename I, typename D>
D add_and_fetch(I add_value, D volatile* dest, atomic_memory_order order) const {
- return __sync_add_and_fetch(dest, add_value);
+ D res = __atomic_add_fetch(dest, add_value, __ATOMIC_RELEASE);
+ FULL_MEM_BARRIER;
+ return res;
}
};
diff --git a/src/hotspot/os_cpu/linux_aarch64/copy_linux_aarch64.s b/src/hotspot/os_cpu/linux_aarch64/copy_linux_aarch64.s
--- a/src/hotspot/os_cpu/linux_aarch64/copy_linux_aarch64.s
+++ b/src/hotspot/os_cpu/linux_aarch64/copy_linux_aarch64.s
@@ -159,7 +159,7 @@
blo bwd_copy_drain
bwd_copy_again:
- prfm pldl1keep, [s, #-256]
+ prfum pldl1keep, [s, #-256]
stp t0, t1, [d, #-16]
ldp t0, t1, [s, #-16]
stp t2, t3, [d, #-32]
diff --git a/src/hotspot/os_cpu/linux_aarch64/os_linux_aarch64.cpp b/src/hotspot/os_cpu/linux_aarch64/os_linux_aarch64.cpp
--- a/src/hotspot/os_cpu/linux_aarch64/os_linux_aarch64.cpp
+++ b/src/hotspot/os_cpu/linux_aarch64/os_linux_aarch64.cpp
@@ -79,12 +79,8 @@
#define REG_FP 29
#define REG_LR 30
-#define SPELL_REG_SP "sp"
-#define SPELL_REG_FP "x29"
-
-address os::current_stack_pointer() {
- register void *esp __asm__ (SPELL_REG_SP);
- return (address) esp;
+NOINLINE address os::current_stack_pointer() {
+ return (address)__builtin_frame_address(0);
}
char* os::non_memory_address_word() {
@@ -199,23 +195,8 @@
return frame(fr->link(), fr->link(), fr->sender_pc());
}
-intptr_t* _get_previous_fp() {
- register intptr_t **fp __asm__ (SPELL_REG_FP);
-
- // fp is for this frame (_get_previous_fp). We want the fp for the
- // caller of os::current_frame*(), so go up two frames. However, for
- // optimized builds, _get_previous_fp() will be inlined, so only go
- // up 1 frame in that case.
- #ifdef _NMT_NOINLINE_
- return **(intptr_t***)fp;
- #else
- return *fp;
- #endif
-}
-
-
-frame os::current_frame() {
- intptr_t* fp = _get_previous_fp();
+NOINLINE frame os::current_frame() {
+ intptr_t *fp = *(intptr_t **)__builtin_frame_address(0);
frame myframe((intptr_t*)os::current_stack_pointer(),
(intptr_t*)fp,
CAST_FROM_FN_PTR(address, os::current_frame));
@@ -228,12 +209,6 @@
}
// Utility functions
-
-// From IA32 System Programming Guide
-enum {
- trap_page_fault = 0xE
-};
-
extern "C" JNIEXPORT int
JVM_handle_linux_signal(int sig,
siginfo_t* info,
@@ -575,42 +550,42 @@
return 0;
}
- void _Copy_conjoint_jshorts_atomic(jshort* from, jshort* to, size_t count) {
+ void _Copy_conjoint_jshorts_atomic(const jshort* from, jshort* to, size_t count) {
if (from > to) {
- jshort *end = from + count;
+ const jshort *end = from + count;
while (from < end)
*(to++) = *(from++);
}
else if (from < to) {
- jshort *end = from;
+ const jshort *end = from;
from += count - 1;
to += count - 1;
while (from >= end)
*(to--) = *(from--);
}
}
- void _Copy_conjoint_jints_atomic(jint* from, jint* to, size_t count) {
+ void _Copy_conjoint_jints_atomic(const jint* from, jint* to, size_t count) {
if (from > to) {
- jint *end = from + count;
+ const jint *end = from + count;
while (from < end)
*(to++) = *(from++);
}
else if (from < to) {
- jint *end = from;
+ const jint *end = from;
from += count - 1;
to += count - 1;
while (from >= end)
*(to--) = *(from--);
}
}
- void _Copy_conjoint_jlongs_atomic(jlong* from, jlong* to, size_t count) {
+ void _Copy_conjoint_jlongs_atomic(const jlong* from, jlong* to, size_t count) {
if (from > to) {
- jlong *end = from + count;
+ const jlong *end = from + count;
while (from < end)
os::atomic_copy64(from++, to++);
}
else if (from < to) {
- jlong *end = from;
+ const jlong *end = from;
from += count - 1;
to += count - 1;
while (from >= end)
@@ -618,22 +593,22 @@
}
}
- void _Copy_arrayof_conjoint_bytes(HeapWord* from,
+ void _Copy_arrayof_conjoint_bytes(const HeapWord* from,
HeapWord* to,
size_t count) {
memmove(to, from, count);
}
- void _Copy_arrayof_conjoint_jshorts(HeapWord* from,
+ void _Copy_arrayof_conjoint_jshorts(const HeapWord* from,
HeapWord* to,
size_t count) {
memmove(to, from, count * 2);
}
- void _Copy_arrayof_conjoint_jints(HeapWord* from,
+ void _Copy_arrayof_conjoint_jints(const HeapWord* from,
HeapWord* to,
size_t count) {
memmove(to, from, count * 4);
}
- void _Copy_arrayof_conjoint_jlongs(HeapWord* from,
+ void _Copy_arrayof_conjoint_jlongs(const HeapWord* from,
HeapWord* to,
size_t count) {
memmove(to, from, count * 8);
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