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Diffstat (limited to 'community/openjdk11/x86.patch')
| -rw-r--r-- | community/openjdk11/x86.patch | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/community/openjdk11/x86.patch b/community/openjdk11/x86.patch deleted file mode 100644 index 1a5bf4328ec..00000000000 --- a/community/openjdk11/x86.patch +++ /dev/null @@ -1,129 +0,0 @@ ---- old/src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp -+++ new/src/hotspot/os_cpu/linux_x86/os_linux_x86.cpp -@@ -90,6 +90,126 @@ - #define SPELL_REG_FP "ebp" - #endif // AMD64 - -+// ============================================================================== -+// Taken from glibc 2.28 -+// source: https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/x86/fpu_control.h;h=4cb98c5679b2897ff4e5826d228cba6be589e24d;hb=3c03baca37fdcb52c3881e653ca392bba7a99c2b -+// ============================================================================== -+#ifndef AMD64 -+/* FPU control word bits. x86 version. -+ Copyright (C) 1993-2018 Free Software Foundation, Inc. -+ This file is part of the GNU C Library. -+ Contributed by Olaf Flebbe. -+ -+ The GNU C Library is free software; you can redistribute it and/or -+ modify it under the terms of the GNU Lesser General Public -+ License as published by the Free Software Foundation; either -+ version 2.1 of the License, or (at your option) any later version. -+ -+ The GNU C Library is distributed in the hope that it will be useful, -+ but WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ Lesser General Public License for more details. -+ -+ You should have received a copy of the GNU Lesser General Public -+ License along with the GNU C Library; if not, see -+ <http://www.gnu.org/licenses/>. */ -+ -+#ifndef _FPU_CONTROL_H -+#define _FPU_CONTROL_H 1 -+ -+/* Note that this file sets on x86-64 only the x87 FPU, it does not -+ touch the SSE unit. */ -+ -+/* Here is the dirty part. Set up your 387 through the control word -+ * (cw) register. -+ * -+ * 15-13 12 11-10 9-8 7-6 5 4 3 2 1 0 -+ * | reserved | IC | RC | PC | reserved | PM | UM | OM | ZM | DM | IM -+ * -+ * IM: Invalid operation mask -+ * DM: Denormalized operand mask -+ * ZM: Zero-divide mask -+ * OM: Overflow mask -+ * UM: Underflow mask -+ * PM: Precision (inexact result) mask -+ * -+ * Mask bit is 1 means no interrupt. -+ * -+ * PC: Precision control -+ * 11 - round to extended precision -+ * 10 - round to double precision -+ * 00 - round to single precision -+ * -+ * RC: Rounding control -+ * 00 - rounding to nearest -+ * 01 - rounding down (toward - infinity) -+ * 10 - rounding up (toward + infinity) -+ * 11 - rounding toward zero -+ * -+ * IC: Infinity control -+ * That is for 8087 and 80287 only. -+ * -+ * The hardware default is 0x037f which we use. -+ */ -+ -+#include <features.h> -+ -+/* masking of interrupts */ -+#define _FPU_MASK_IM 0x01 -+#define _FPU_MASK_DM 0x02 -+#define _FPU_MASK_ZM 0x04 -+#define _FPU_MASK_OM 0x08 -+#define _FPU_MASK_UM 0x10 -+#define _FPU_MASK_PM 0x20 -+ -+/* precision control */ -+#define _FPU_EXTENDED 0x300 /* libm requires double extended precision. */ -+#define _FPU_DOUBLE 0x200 -+#define _FPU_SINGLE 0x0 -+ -+/* rounding control */ -+#define _FPU_RC_NEAREST 0x0 /* RECOMMENDED */ -+#define _FPU_RC_DOWN 0x400 -+#define _FPU_RC_UP 0x800 -+#define _FPU_RC_ZERO 0xC00 -+ -+#define _FPU_RESERVED 0xF0C0 /* Reserved bits in cw */ -+ -+ -+/* The fdlibm code requires strict IEEE double precision arithmetic, -+ and no interrupts for exceptions, rounding to nearest. */ -+ -+#define _FPU_DEFAULT 0x037f -+ -+/* IEEE: same as above. */ -+#define _FPU_IEEE 0x037f -+ -+/* Type of the control word. */ -+typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__HI__))); -+ -+/* Macros for accessing the hardware control word. "*&" is used to -+ work around a bug in older versions of GCC. __volatile__ is used -+ to support combination of writing the control register and reading -+ it back. Without __volatile__, the old value may be used for reading -+ back under compiler optimization. -+ -+ Note that the use of these macros is not sufficient anymore with -+ recent hardware nor on x86-64. Some floating point operations are -+ executed in the SSE/SSE2 engines which have their own control and -+ status register. */ -+#define _FPU_GETCW(cw) __asm__ __volatile__ ("fnstcw %0" : "=m" (*&cw)) -+#define _FPU_SETCW(cw) __asm__ __volatile__ ("fldcw %0" : : "m" (*&cw)) -+ -+/* Default control word set at startup. */ -+extern fpu_control_t __fpu_control; -+ -+#endif /* fpu_control.h */ -+ -+#endif // AMD64 -+// ============================================================================== -+// ============================================================================== -+// ============================================================================== -+ - address os::current_stack_pointer() { - #ifdef SPARC_WORKS - register void *esp; |