Merge pull request #10502 from ydb-platform/mergelibs-241016-1210

Library import 241016-1210

18 files changed, 208 insertions, 133 deletions

diff --git a/contrib/libs/cxxsupp/builtins/i386/Makefile.mk b/contrib/libs/cxxsupp/builtins/i386/Makefile.mk
deleted file mode 100644
index f3776a02c0..0000000000
--- a/contrib/libs/cxxsupp/builtins/i386/Makefile.mk
+++ /dev/null
@@ -1,20 +0,0 @@
-#===- lib/builtins/i386/Makefile.mk ------------------------*- Makefile -*--===#
-#
-#                     The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-#
-#===------------------------------------------------------------------------===#
-
-ModuleName := builtins
-SubDirs := 
-OnlyArchs := i386
-
-AsmSources := $(foreach file,$(wildcard $(Dir)/*.S),$(notdir $(file)))
-Sources := $(foreach file,$(wildcard $(Dir)/*.c),$(notdir $(file)))
-ObjNames := $(Sources:%.c=%.o) $(AsmSources:%.S=%.o)
-Implementation := Optimized
-
-# FIXME: use automatic dependencies?
-Dependencies := $(wildcard lib/*.h $(Dir)/*.h)
diff --git a/contrib/libs/cxxsupp/builtins/i386/ashldi3.S b/contrib/libs/cxxsupp/builtins/i386/ashldi3.S
index 3fbd739038..7ba912692f 100644
--- a/contrib/libs/cxxsupp/builtins/i386/ashldi3.S
+++ b/contrib/libs/cxxsupp/builtins/i386/ashldi3.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -56,3 +57,6 @@ END_COMPILERRT_FUNCTION(__ashldi3)
 
 #endif // __SSE2__
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/ashrdi3.S b/contrib/libs/cxxsupp/builtins/i386/ashrdi3.S
index 8f4742481b..3cca4782ae 100644
--- a/contrib/libs/cxxsupp/builtins/i386/ashrdi3.S
+++ b/contrib/libs/cxxsupp/builtins/i386/ashrdi3.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -22,10 +23,10 @@ DEFINE_COMPILERRT_FUNCTION(__ashrdi3)
 #endif
 
 	psrlq		%xmm2,		%xmm0	// unsigned shift input by count
-	
+
 	testl		%eax,		%eax	// check the sign-bit of the input
 	jns			1f					// early out for positive inputs
-	
+
 	// If the input is negative, we need to construct the shifted sign bit
 	// to or into the result, as xmm does not have a signed right shift.
 	pcmpeqb		%xmm1,		%xmm1	// -1ULL
@@ -35,7 +36,7 @@ DEFINE_COMPILERRT_FUNCTION(__ashrdi3)
 	psubq		%xmm1,		%xmm2	// 64 - count
 	psllq		%xmm2,		%xmm1	// -1 << (64 - count) = leading sign bits
 	por			%xmm1,		%xmm0
-	
+
 	// Move the result back to the general purpose registers and return
 1:	movd		%xmm0,		%eax
 	psrlq		$32,		%xmm0
@@ -51,14 +52,14 @@ DEFINE_COMPILERRT_FUNCTION(__ashrdi3)
 	movl	  12(%esp),		%ecx	// Load count
 	movl	   8(%esp),		%edx	// Load high
 	movl	   4(%esp),		%eax	// Load low
-	
+
 	testl		$0x20,		%ecx	// If count >= 32
 	jnz			1f					//    goto 1
 
 	shrdl		%cl, %edx,	%eax	// right shift low by count
 	sarl		%cl,		%edx	// right shift high by count
 	ret
-	
+
 1:	movl		%edx,		%eax	// Move high to low
 	sarl		$31,		%edx	// clear high
 	sarl		%cl,		%eax	// shift low by count - 32
@@ -67,3 +68,6 @@ END_COMPILERRT_FUNCTION(__ashrdi3)
 
 #endif // __SSE2__
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/chkstk.S b/contrib/libs/cxxsupp/builtins/i386/chkstk.S
index b59974868f..f0bea21874 100644
--- a/contrib/libs/cxxsupp/builtins/i386/chkstk.S
+++ b/contrib/libs/cxxsupp/builtins/i386/chkstk.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
diff --git a/contrib/libs/cxxsupp/builtins/i386/chkstk2.S b/contrib/libs/cxxsupp/builtins/i386/chkstk2.S
index 7d65bb0889..5d6cbdfa5c 100644
--- a/contrib/libs/cxxsupp/builtins/i386/chkstk2.S
+++ b/contrib/libs/cxxsupp/builtins/i386/chkstk2.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
diff --git a/contrib/libs/cxxsupp/builtins/i386/divdi3.S b/contrib/libs/cxxsupp/builtins/i386/divdi3.S
index 2cb0ddd4c2..09e1e42eb7 100644
--- a/contrib/libs/cxxsupp/builtins/i386/divdi3.S
+++ b/contrib/libs/cxxsupp/builtins/i386/divdi3.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -22,9 +23,9 @@
 .balign 4
 DEFINE_COMPILERRT_FUNCTION(__divdi3)
 
-/* This is currently implemented by wrapping the unsigned divide up in an absolute
-   value, then restoring the correct sign at the end of the computation.  This could
-   certainly be improved upon. */
+// This is currently implemented by wrapping the unsigned divide up in an absolute
+// value, then restoring the correct sign at the end of the computation.  This could
+// certainly be improved upon.
 
 	pushl		%esi
 	movl	 20(%esp),			%edx	// high word of b
@@ -38,7 +39,7 @@ DEFINE_COMPILERRT_FUNCTION(__divdi3)
 	movl		%edx,		 20(%esp)
 	movl		%eax,		 16(%esp)	// store abs(b) back to stack
 	movl		%ecx,			%esi	// set aside sign of b
-	
+
 	movl	 12(%esp),			%edx	// high word of b
 	movl	  8(%esp),			%eax	// low word of b
 	movl		%edx,			%ecx
@@ -55,11 +56,11 @@ DEFINE_COMPILERRT_FUNCTION(__divdi3)
 	movl	 24(%esp),			%ebx	// Find the index i of the leading bit in b.
 	bsrl		%ebx,			%ecx	// If the high word of b is zero, jump to
 	jz			9f						// the code to handle that special case [9].
-	
-	/* High word of b is known to be non-zero on this branch */
-	
+
+	// High word of b is known to be non-zero on this branch
+
 	movl	 20(%esp),			%eax	// Construct bhi, containing bits [1+i:32+i] of b
-	
+
 	shrl		%cl,			%eax	// Practically, this means that bhi is given by:
 	shrl		%eax					//
 	notl		%ecx					//		bhi = (high word of b) << (31 - i) |
@@ -68,10 +69,10 @@ DEFINE_COMPILERRT_FUNCTION(__divdi3)
 	movl	 16(%esp),			%edx	// Load the high and low words of a, and jump
 	movl	 12(%esp),			%eax	// to [1] if the high word is larger than bhi
 	cmpl		%ebx,			%edx	// to avoid overflowing the upcoming divide.
-	jae			1f						
-		
-	/* High word of a is greater than or equal to (b >> (1 + i)) on this branch */
-	
+	jae			1f
+
+	// High word of a is greater than or equal to (b >> (1 + i)) on this branch
+
 	divl		%ebx					// eax <-- qs, edx <-- r such that ahi:alo = bs*qs + r
 
 	pushl		%edi
@@ -90,7 +91,7 @@ DEFINE_COMPILERRT_FUNCTION(__divdi3)
 	sbbl		$0,				%edi	// decrement q if remainder is negative
 	xorl		%edx,			%edx
 	movl		%edi,			%eax
-	
+
 	addl		%esi,			%eax	// Restore correct sign to result
 	adcl		%esi,			%edx
 	xorl		%esi,			%eax
@@ -101,8 +102,8 @@ DEFINE_COMPILERRT_FUNCTION(__divdi3)
 	retl								// Return
 
 
-1:	/* High word of a is greater than or equal to (b >> (1 + i)) on this branch */
-	 
+1:	// High word of a is greater than or equal to (b >> (1 + i)) on this branch
+
 	subl		%ebx,			%edx	// subtract bhi from ahi so that divide will not
 	divl		%ebx					// overflow, and find q and r such that
 										//
@@ -128,7 +129,7 @@ DEFINE_COMPILERRT_FUNCTION(__divdi3)
 	sbbl		$0,				%edi	// decrement q if remainder is negative
 	xorl		%edx,			%edx
 	movl		%edi,			%eax
-	
+
 	addl		%esi,			%eax	// Restore correct sign to result
 	adcl		%esi,			%edx
 	xorl		%esi,			%eax
@@ -138,8 +139,8 @@ DEFINE_COMPILERRT_FUNCTION(__divdi3)
 	popl		%esi
 	retl								// Return
 
-	
-9:	/* High word of b is zero on this branch */
+
+9:	// High word of b is zero on this branch
 
 	movl	 16(%esp),			%eax	// Find qhi and rhi such that
 	movl	 20(%esp),			%ecx	//
@@ -149,7 +150,7 @@ DEFINE_COMPILERRT_FUNCTION(__divdi3)
 	movl	 12(%esp),			%eax	// Find qlo such that
 	divl		%ecx					//
 	movl		%ebx,			%edx	//		rhi:alo = qlo*b + rlo  with 0 ≤ rlo < b
-	
+
 	addl		%esi,			%eax	// Restore correct sign to result
 	adcl		%esi,			%edx
 	xorl		%esi,			%eax
@@ -160,3 +161,6 @@ DEFINE_COMPILERRT_FUNCTION(__divdi3)
 END_COMPILERRT_FUNCTION(__divdi3)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/floatdidf.S b/contrib/libs/cxxsupp/builtins/i386/floatdidf.S
index dcc32f8ed8..d588e77036 100644
--- a/contrib/libs/cxxsupp/builtins/i386/floatdidf.S
+++ b/contrib/libs/cxxsupp/builtins/i386/floatdidf.S
@@ -1,9 +1,10 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
-// double __floatundidf(du_int a);
+// double __floatdidf(du_int a);
 
 #ifdef __i386__
 
@@ -37,3 +38,6 @@ DEFINE_COMPILERRT_FUNCTION(__floatdidf)
 END_COMPILERRT_FUNCTION(__floatdidf)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/floatdisf.S b/contrib/libs/cxxsupp/builtins/i386/floatdisf.S
index f642767036..d91f14e9f3 100644
--- a/contrib/libs/cxxsupp/builtins/i386/floatdisf.S
+++ b/contrib/libs/cxxsupp/builtins/i386/floatdisf.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -30,3 +31,6 @@ DEFINE_COMPILERRT_FUNCTION(__floatdisf)
 END_COMPILERRT_FUNCTION(__floatdisf)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/floatdixf.S b/contrib/libs/cxxsupp/builtins/i386/floatdixf.S
index 839b0434c0..19dd0835a9 100644
--- a/contrib/libs/cxxsupp/builtins/i386/floatdixf.S
+++ b/contrib/libs/cxxsupp/builtins/i386/floatdixf.S
@@ -1,9 +1,10 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
-// float __floatdixf(di_int a);
+// long double __floatdixf(di_int a);
 
 #ifdef __i386__
 
@@ -28,3 +29,6 @@ DEFINE_COMPILERRT_FUNCTION(__floatdixf)
 END_COMPILERRT_FUNCTION(__floatdixf)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/floatundidf.S b/contrib/libs/cxxsupp/builtins/i386/floatundidf.S
index 8058c2ac0a..8b1b666ce1 100644
--- a/contrib/libs/cxxsupp/builtins/i386/floatundidf.S
+++ b/contrib/libs/cxxsupp/builtins/i386/floatundidf.S
@@ -1,9 +1,8 @@
 //===-- floatundidf.S - Implement __floatundidf for i386 ------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
@@ -50,3 +49,6 @@ DEFINE_COMPILERRT_FUNCTION(__floatundidf)
 END_COMPILERRT_FUNCTION(__floatundidf)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/floatundisf.S b/contrib/libs/cxxsupp/builtins/i386/floatundisf.S
index 94c97e25aa..44301719ed 100644
--- a/contrib/libs/cxxsupp/builtins/i386/floatundisf.S
+++ b/contrib/libs/cxxsupp/builtins/i386/floatundisf.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -48,7 +49,7 @@ END_COMPILERRT_FUNCTION(__floatundisf)
 
 */
 
-/* branch-free, x87-free implementation - faster at the expense of code size */
+// branch-free, x87-free implementation - faster at the expense of code size
 
 #ifdef __i386__
 
@@ -78,7 +79,7 @@ DEFINE_COMPILERRT_FUNCTION(__floatundisf)
 	movd		8(%esp),		%xmm1
 	movd		4(%esp),		%xmm0
 	punpckldq	%xmm1,			%xmm0
-	
+
 	calll		0f
 0:	popl		%ecx
 	shrl		%eax					// high 31 bits of input as sint32
@@ -103,3 +104,6 @@ DEFINE_COMPILERRT_FUNCTION(__floatundisf)
 END_COMPILERRT_FUNCTION(__floatundisf)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/floatundixf.S b/contrib/libs/cxxsupp/builtins/i386/floatundixf.S
index 814b52f941..30b4d9f4b9 100644
--- a/contrib/libs/cxxsupp/builtins/i386/floatundixf.S
+++ b/contrib/libs/cxxsupp/builtins/i386/floatundixf.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -41,3 +42,6 @@ DEFINE_COMPILERRT_FUNCTION(__floatundixf)
 END_COMPILERRT_FUNCTION(__floatundixf)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/fp_mode.c b/contrib/libs/cxxsupp/builtins/i386/fp_mode.c
new file mode 100644
index 0000000000..887ca9c34c
--- /dev/null
+++ b/contrib/libs/cxxsupp/builtins/i386/fp_mode.c
@@ -0,0 +1,39 @@
+//===----- lib/i386/fp_mode.c - Floaing-point mode utilities -----*- C -*-====//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "../fp_mode.h"
+
+#define X87_TONEAREST  0x0000
+#define X87_DOWNWARD   0x0400
+#define X87_UPWARD     0x0800
+#define X87_TOWARDZERO 0x0c00
+#define X87_RMODE_MASK (X87_TONEAREST | X87_UPWARD | X87_DOWNWARD | X87_TOWARDZERO)
+
+CRT_FE_ROUND_MODE __fe_getround(void) {
+  // Assume that the rounding mode state for the fpu agrees with the SSE unit.
+  unsigned short cw;
+  __asm__ __volatile__ ("fnstcw %0" : "=m" (cw));
+
+  switch (cw & X87_RMODE_MASK) {
+    case X87_TONEAREST:
+      return CRT_FE_TONEAREST;
+    case X87_DOWNWARD:
+      return CRT_FE_DOWNWARD;
+    case X87_UPWARD:
+      return CRT_FE_UPWARD;
+    case X87_TOWARDZERO:
+      return CRT_FE_TOWARDZERO;
+  }
+  return CRT_FE_TONEAREST;
+}
+
+int __fe_raise_inexact(void) {
+  float f = 1.0f, g = 3.0f;
+  __asm__ __volatile__ ("fdivs %1" : "+t" (f) : "m" (g));
+  return 0;
+}
diff --git a/contrib/libs/cxxsupp/builtins/i386/lshrdi3.S b/contrib/libs/cxxsupp/builtins/i386/lshrdi3.S
index b80f11a380..896633e85d 100644
--- a/contrib/libs/cxxsupp/builtins/i386/lshrdi3.S
+++ b/contrib/libs/cxxsupp/builtins/i386/lshrdi3.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -41,14 +42,14 @@ DEFINE_COMPILERRT_FUNCTION(__lshrdi3)
 	movl	  12(%esp),		%ecx	// Load count
 	movl	   8(%esp),		%edx	// Load high
 	movl	   4(%esp),		%eax	// Load low
-	
+
 	testl		$0x20,		%ecx	// If count >= 32
 	jnz			1f					//    goto 1
 
 	shrdl		%cl, %edx,	%eax	// right shift low by count
 	shrl		%cl,		%edx	// right shift high by count
 	ret
-	
+
 1:	movl		%edx,		%eax	// Move high to low
 	xorl		%edx,		%edx	// clear high
 	shrl		%cl,		%eax	// shift low by count - 32
@@ -57,3 +58,6 @@ END_COMPILERRT_FUNCTION(__lshrdi3)
 
 #endif // __SSE2__
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/moddi3.S b/contrib/libs/cxxsupp/builtins/i386/moddi3.S
index b9cee9d7aa..4580f20ead 100644
--- a/contrib/libs/cxxsupp/builtins/i386/moddi3.S
+++ b/contrib/libs/cxxsupp/builtins/i386/moddi3.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -23,8 +24,8 @@
 .balign 4
 DEFINE_COMPILERRT_FUNCTION(__moddi3)
 
-/* This is currently implemented by wrapping the unsigned modulus up in an absolute
-   value.  This could certainly be improved upon. */
+// This is currently implemented by wrapping the unsigned modulus up in an absolute
+// value.  This could certainly be improved upon.
 
 	pushl		%esi
 	movl	 20(%esp),			%edx	// high word of b
@@ -37,7 +38,7 @@ DEFINE_COMPILERRT_FUNCTION(__moddi3)
 	sbbl		%ecx,			%edx	// EDX:EAX = abs(b)
 	movl		%edx,		 20(%esp)
 	movl		%eax,		 16(%esp)	// store abs(b) back to stack
-	
+
 	movl	 12(%esp),			%edx	// high word of b
 	movl	  8(%esp),			%eax	// low word of b
 	movl		%edx,			%ecx
@@ -54,11 +55,11 @@ DEFINE_COMPILERRT_FUNCTION(__moddi3)
 	movl	 24(%esp),			%ebx	// Find the index i of the leading bit in b.
 	bsrl		%ebx,			%ecx	// If the high word of b is zero, jump to
 	jz			9f						// the code to handle that special case [9].
-	
-	/* High word of b is known to be non-zero on this branch */
-	
+
+	// High word of b is known to be non-zero on this branch
+
 	movl	 20(%esp),			%eax	// Construct bhi, containing bits [1+i:32+i] of b
-	
+
 	shrl		%cl,			%eax	// Practically, this means that bhi is given by:
 	shrl		%eax					//
 	notl		%ecx					//		bhi = (high word of b) << (31 - i) |
@@ -67,10 +68,10 @@ DEFINE_COMPILERRT_FUNCTION(__moddi3)
 	movl	 16(%esp),			%edx	// Load the high and low words of a, and jump
 	movl	 12(%esp),			%eax	// to [2] if the high word is larger than bhi
 	cmpl		%ebx,			%edx	// to avoid overflowing the upcoming divide.
-	jae			2f						
-		
-	/* High word of a is greater than or equal to (b >> (1 + i)) on this branch */
-	
+	jae			2f
+
+	// High word of a is greater than or equal to (b >> (1 + i)) on this branch
+
 	divl		%ebx					// eax <-- qs, edx <-- r such that ahi:alo = bs*qs + r
 
 	pushl		%edi
@@ -86,13 +87,13 @@ DEFINE_COMPILERRT_FUNCTION(__moddi3)
 	movl	 28(%esp),			%eax
 	imull		%edi,			%eax	// q*bhi
 	subl		%eax,			%ecx	// ECX:EBX = a - q*b
-	
+
 	jnc			1f						// if positive, this is the result.
 	addl	 24(%esp),			%ebx	// otherwise
 	adcl	 28(%esp),			%ecx	// ECX:EBX = a - (q-1)*b = result
 1:	movl		%ebx,			%eax
 	movl		%ecx,			%edx
-	
+
 	addl		%esi,			%eax	// Restore correct sign to result
 	adcl		%esi,			%edx
 	xorl		%esi,			%eax
@@ -102,8 +103,8 @@ DEFINE_COMPILERRT_FUNCTION(__moddi3)
 	popl		%esi
 	retl								// Return
 
-2:	/* High word of a is greater than or equal to (b >> (1 + i)) on this branch */
-	 
+2:	// High word of a is greater than or equal to (b >> (1 + i)) on this branch
+
 	subl		%ebx,			%edx	// subtract bhi from ahi so that divide will not
 	divl		%ebx					// overflow, and find q and r such that
 										//
@@ -132,7 +133,7 @@ DEFINE_COMPILERRT_FUNCTION(__moddi3)
 	adcl	 28(%esp),			%ecx	// ECX:EBX = a - (q-1)*b = result
 3:	movl		%ebx,			%eax
 	movl		%ecx,			%edx
-	
+
 	addl		%esi,			%eax	// Restore correct sign to result
 	adcl		%esi,			%edx
 	xorl		%esi,			%eax
@@ -141,8 +142,8 @@ DEFINE_COMPILERRT_FUNCTION(__moddi3)
 	popl		%ebx
 	popl		%esi
 	retl								// Return
-	
-9:	/* High word of b is zero on this branch */
+
+9:	// High word of b is zero on this branch
 
 	movl	 16(%esp),			%eax	// Find qhi and rhi such that
 	movl	 20(%esp),			%ecx	//
@@ -164,3 +165,6 @@ DEFINE_COMPILERRT_FUNCTION(__moddi3)
 END_COMPILERRT_FUNCTION(__moddi3)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/muldi3.S b/contrib/libs/cxxsupp/builtins/i386/muldi3.S
index 15b6b49984..a898e24146 100644
--- a/contrib/libs/cxxsupp/builtins/i386/muldi3.S
+++ b/contrib/libs/cxxsupp/builtins/i386/muldi3.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -14,17 +15,20 @@ DEFINE_COMPILERRT_FUNCTION(__muldi3)
 	movl  16(%esp),		%eax	// b.lo
 	movl  12(%esp),		%ecx	// a.hi
 	imull	%eax,		%ecx	// b.lo * a.hi
-	
+
 	movl   8(%esp),		%edx	// a.lo
 	movl  20(%esp),		%ebx	// b.hi
 	imull	%edx,		%ebx	// a.lo * b.hi
-	
+
 	mull	%edx				// EDX:EAX = a.lo * b.lo
 	addl	%ecx,		%ebx	// EBX = (a.lo*b.hi + a.hi*b.lo)
 	addl	%ebx,		%edx
-	
+
 	popl	%ebx
 	retl
 END_COMPILERRT_FUNCTION(__muldi3)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/udivdi3.S b/contrib/libs/cxxsupp/builtins/i386/udivdi3.S
index 41b2edf03e..ca390245ea 100644
--- a/contrib/libs/cxxsupp/builtins/i386/udivdi3.S
+++ b/contrib/libs/cxxsupp/builtins/i386/udivdi3.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -26,11 +27,11 @@ DEFINE_COMPILERRT_FUNCTION(__udivdi3)
 	movl	 20(%esp),			%ebx	// Find the index i of the leading bit in b.
 	bsrl		%ebx,			%ecx	// If the high word of b is zero, jump to
 	jz			9f						// the code to handle that special case [9].
-	
-	/* High word of b is known to be non-zero on this branch */
-	
+
+	// High word of b is known to be non-zero on this branch
+
 	movl	 16(%esp),			%eax	// Construct bhi, containing bits [1+i:32+i] of b
-	
+
 	shrl		%cl,			%eax	// Practically, this means that bhi is given by:
 	shrl		%eax					//
 	notl		%ecx					//		bhi = (high word of b) << (31 - i) |
@@ -39,10 +40,10 @@ DEFINE_COMPILERRT_FUNCTION(__udivdi3)
 	movl	 12(%esp),			%edx	// Load the high and low words of a, and jump
 	movl	  8(%esp),			%eax	// to [1] if the high word is larger than bhi
 	cmpl		%ebx,			%edx	// to avoid overflowing the upcoming divide.
-	jae			1f						
-		
-	/* High word of a is greater than or equal to (b >> (1 + i)) on this branch */
-	
+	jae			1f
+
+	// High word of a is greater than or equal to (b >> (1 + i)) on this branch
+
 	divl		%ebx					// eax <-- qs, edx <-- r such that ahi:alo = bs*qs + r
 
 	pushl		%edi
@@ -66,8 +67,8 @@ DEFINE_COMPILERRT_FUNCTION(__udivdi3)
 	retl
 
 
-1:	/* High word of a is greater than or equal to (b >> (1 + i)) on this branch */
-	 
+1:	// High word of a is greater than or equal to (b >> (1 + i)) on this branch
+
 	subl		%ebx,			%edx	// subtract bhi from ahi so that divide will not
 	divl		%ebx					// overflow, and find q and r such that
 										//
@@ -97,8 +98,8 @@ DEFINE_COMPILERRT_FUNCTION(__udivdi3)
 	popl		%ebx
 	retl
 
-	
-9:	/* High word of b is zero on this branch */
+
+9:	// High word of b is zero on this branch
 
 	movl	 12(%esp),			%eax	// Find qhi and rhi such that
 	movl	 16(%esp),			%ecx	//
@@ -113,3 +114,6 @@ DEFINE_COMPILERRT_FUNCTION(__udivdi3)
 END_COMPILERRT_FUNCTION(__udivdi3)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+
diff --git a/contrib/libs/cxxsupp/builtins/i386/umoddi3.S b/contrib/libs/cxxsupp/builtins/i386/umoddi3.S
index a190a7d397..2717e7e5da 100644
--- a/contrib/libs/cxxsupp/builtins/i386/umoddi3.S
+++ b/contrib/libs/cxxsupp/builtins/i386/umoddi3.S
@@ -1,5 +1,6 @@
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 
 #include "../assembly.h"
 
@@ -27,11 +28,11 @@ DEFINE_COMPILERRT_FUNCTION(__umoddi3)
 	movl	 20(%esp),			%ebx	// Find the index i of the leading bit in b.
 	bsrl		%ebx,			%ecx	// If the high word of b is zero, jump to
 	jz			9f						// the code to handle that special case [9].
-	
-	/* High word of b is known to be non-zero on this branch */
-	
+
+	// High word of b is known to be non-zero on this branch
+
 	movl	 16(%esp),			%eax	// Construct bhi, containing bits [1+i:32+i] of b
-	
+
 	shrl		%cl,			%eax	// Practically, this means that bhi is given by:
 	shrl		%eax					//
 	notl		%ecx					//		bhi = (high word of b) << (31 - i) |
@@ -40,10 +41,10 @@ DEFINE_COMPILERRT_FUNCTION(__umoddi3)
 	movl	 12(%esp),			%edx	// Load the high and low words of a, and jump
 	movl	  8(%esp),			%eax	// to [2] if the high word is larger than bhi
 	cmpl		%ebx,			%edx	// to avoid overflowing the upcoming divide.
-	jae			2f						
-		
-	/* High word of a is greater than or equal to (b >> (1 + i)) on this branch */
-	
+	jae			2f
+
+	// High word of a is greater than or equal to (b >> (1 + i)) on this branch
+
 	divl		%ebx					// eax <-- qs, edx <-- r such that ahi:alo = bs*qs + r
 
 	pushl		%edi
@@ -59,20 +60,20 @@ DEFINE_COMPILERRT_FUNCTION(__umoddi3)
 	movl	 24(%esp),			%eax
 	imull		%edi,			%eax	// q*bhi
 	subl		%eax,			%ecx	// ECX:EBX = a - q*b
-	
+
 	jnc			1f						// if positive, this is the result.
 	addl	 20(%esp),			%ebx	// otherwise
 	adcl	 24(%esp),			%ecx	// ECX:EBX = a - (q-1)*b = result
 1:	movl		%ebx,			%eax
 	movl		%ecx,			%edx
-	
+
 	popl		%edi
 	popl		%ebx
 	retl
 
 
-2:	/* High word of a is greater than or equal to (b >> (1 + i)) on this branch */
-	 
+2:	// High word of a is greater than or equal to (b >> (1 + i)) on this branch
+
 	subl		%ebx,			%edx	// subtract bhi from ahi so that divide will not
 	divl		%ebx					// overflow, and find q and r such that
 										//
@@ -101,14 +102,14 @@ DEFINE_COMPILERRT_FUNCTION(__umoddi3)
 	adcl	 24(%esp),			%ecx	// ECX:EBX = a - (q-1)*b = result
 3:	movl		%ebx,			%eax
 	movl		%ecx,			%edx
-	
+
 	popl		%edi
 	popl		%ebx
 	retl
 
 
-	
-9:	/* High word of b is zero on this branch */
+
+9:	// High word of b is zero on this branch
 
 	movl	 12(%esp),			%eax	// Find qhi and rhi such that
 	movl	 16(%esp),			%ecx	//
@@ -120,7 +121,10 @@ DEFINE_COMPILERRT_FUNCTION(__umoddi3)
 	movl		%edx,			%eax	//		rhi:alo = qlo*b + rlo  with 0 ≤ rlo < b
 	popl		%ebx					//
 	xorl		%edx,			%edx	// and return 0:rlo
-	retl								// 
+	retl								//
 END_COMPILERRT_FUNCTION(__umoddi3)
 
 #endif // __i386__
+
+NO_EXEC_STACK_DIRECTIVE
+