diff --git a/crypto/fipsmodule/bn/asm/rsaz-2k-avx512.pl b/crypto/fipsmodule/bn/asm/rsaz-2k-avx512.pl
index 9cd78cd374..bf62fc19f0 100644
--- a/crypto/fipsmodule/bn/asm/rsaz-2k-avx512.pl
+++ b/crypto/fipsmodule/bn/asm/rsaz-2k-avx512.pl
@@ -82,10 +82,10 @@
 
 ###############################################################################
 # void rsaz_amm52x20_x1_ifma256(BN_ULONG *res,
-#                                    const BN_ULONG *a,
-#                                    const BN_ULONG *b,
-#                                    const BN_ULONG *m,
-#                                    BN_ULONG k0);
+#                               const BN_ULONG *a,
+#                               const BN_ULONG *b,
+#                               const BN_ULONG *m,
+#                               BN_ULONG k0);
 ###############################################################################
 {
 # input parameters
@@ -289,6 +289,7 @@ sub amm52x20_x1_norm {
 }
 
 $code.=<<___;
+#ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 .text
 
 .globl  rsaz_amm52x20_x1_ifma256
@@ -675,8 +676,13 @@ sub amm52x20_x1_norm {
     .byte   9,0,0,0
     .rva    rsaz_def_handler
     .rva    .Lrsaz_amm52x20_x2_ifma256_body,.Lrsaz_amm52x20_x2_ifma256_epilogue
+
+#endif
 ___
+} else {
+$code.="#endif";
 }
+
 }}} else {{{                # fallback for old assembler
 $code.=<<___;
 .text
@@ -690,6 +696,8 @@ sub amm52x20_x1_norm {
     .byte   0x0f,0x0b    # ud2
     ret
 .size   rsaz_amm52x20_x1_ifma256, .-rsaz_amm52x20_x1_ifma256
+
+#endif
 ___
 }}}
 
diff --git a/crypto/fipsmodule/bn/asm/rsaz-3k-avx512.pl b/crypto/fipsmodule/bn/asm/rsaz-3k-avx512.pl
index cf62e1e972..6539e3a823 100644
--- a/crypto/fipsmodule/bn/asm/rsaz-3k-avx512.pl
+++ b/crypto/fipsmodule/bn/asm/rsaz-3k-avx512.pl
@@ -80,10 +80,10 @@
 
 ###############################################################################
 # void rsaz_amm52x30_x1_ifma256(BN_ULONG *res,
-#                                    const BN_ULONG *a,
-#                                    const BN_ULONG *b,
-#                                    const BN_ULONG *m,
-#                                    BN_ULONG k0);
+#                               const BN_ULONG *a,
+#                               const BN_ULONG *b,
+#                               const BN_ULONG *m,
+#                               BN_ULONG k0);
 ###############################################################################
 {
 # input parameters
@@ -352,6 +352,7 @@ sub amm52x30_x1_norm {
 }
 
 $code.=<<___;
+#ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 .text
 
 .globl  rsaz_amm52x30_x1_ifma256
@@ -484,10 +485,10 @@ sub amm52x30_x1_norm {
 
 ###############################################################################
 # void rsaz_amm52x30_x2_ifma256(BN_ULONG out[2][32],
-#                                    const BN_ULONG a[2][32],
-#                                    const BN_ULONG b[2][32],
-#                                    const BN_ULONG m[2][32],
-#                                    const BN_ULONG k0[2]);
+#                               const BN_ULONG a[2][32],
+#                               const BN_ULONG b[2][32],
+#                               const BN_ULONG m[2][32],
+#                               const BN_ULONG k0[2]);
 ###############################################################################
 
 $code.=<<___;
@@ -630,8 +631,8 @@ sub amm52x30_x1_norm {
 
 ###############################################################################
 # void extract_multiplier_2x30_win5(BN_ULONG *red_Y,
-#                                        const BN_ULONG red_table[1 << EXP_WIN_SIZE][2][32],
-#                                        int red_table_idx1, int red_table_idx2);
+#                                   const BN_ULONG red_table[1 << EXP_WIN_SIZE][2][32],
+#                                   int red_table_idx1, int red_table_idx2);
 #
 ###############################################################################
 {
@@ -829,8 +830,13 @@ sub amm52x30_x1_norm {
     .byte   9,0,0,0
     .rva    rsaz_avx_handler
     .rva    .Lrsaz_amm52x30_x2_ifma256_body,.Lrsaz_amm52x30_x2_ifma256_epilogue
+
+#endif
 ___
+} else {
+$code.="#endif";
 }
+
 }}} else {{{                # fallback for old assembler
 $code.=<<___;
 .text
@@ -845,6 +851,8 @@ sub amm52x30_x1_norm {
     .byte   0x0f,0x0b    # ud2
     ret
 .size   rsaz_amm52x30_x1_ifma256, .-rsaz_amm52x30_x1_ifma256
+
+#endif
 ___
 }}}
 
diff --git a/crypto/fipsmodule/bn/asm/rsaz-4k-avx512.pl b/crypto/fipsmodule/bn/asm/rsaz-4k-avx512.pl
index 1580aff1ed..c8c773af6a 100644
--- a/crypto/fipsmodule/bn/asm/rsaz-4k-avx512.pl
+++ b/crypto/fipsmodule/bn/asm/rsaz-4k-avx512.pl
@@ -80,10 +80,10 @@
 
 ###############################################################################
 # void rsaz_amm52x40_x1_ifma256(BN_ULONG *res,
-#                                    const BN_ULONG *a,
-#                                    const BN_ULONG *b,
-#                                    const BN_ULONG *m,
-#                                    BN_ULONG k0);
+#                               const BN_ULONG *a,
+#                               const BN_ULONG *b,
+#                               const BN_ULONG *m,
+#                               BN_ULONG k0);
 ###############################################################################
 {
 # input parameters
@@ -394,6 +394,7 @@ sub amm52x40_x1_norm {
 }
 
 $code.=<<___;
+#ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 .text
 
 .globl  rsaz_amm52x40_x1_ifma256
@@ -528,10 +529,10 @@ sub amm52x40_x1_norm {
 
 ###############################################################################
 # void rsaz_amm52x40_x2_ifma256(BN_ULONG out[2][40],
-#                                    const BN_ULONG a[2][40],
-#                                    const BN_ULONG b[2][40],
-#                                    const BN_ULONG m[2][40],
-#                                    const BN_ULONG k0[2]);
+#                               const BN_ULONG a[2][40],
+#                               const BN_ULONG b[2][40],
+#                               const BN_ULONG m[2][40],
+#                               const BN_ULONG k0[2]);
 ###############################################################################
 
 $code.=<<___;
@@ -682,8 +683,8 @@ sub amm52x40_x1_norm {
 
 ###############################################################################
 # void extract_multiplier_2x40_win5(BN_ULONG *red_Y,
-#                                        const BN_ULONG red_table[1 << EXP_WIN_SIZE][2][40],
-#                                        int red_table_idx1, int red_table_idx2);
+#                                   const BN_ULONG red_table[1 << EXP_WIN_SIZE][2][40],
+#                                   int red_table_idx1, int red_table_idx2);
 #
 ###############################################################################
 {
@@ -891,8 +892,13 @@ ()
     .byte   9,0,0,0
     .rva    rsaz_avx_handler
     .rva    .Lrsaz_amm52x40_x2_ifma256_body,.Lrsaz_amm52x40_x2_ifma256_epilogue
+
+#endif
 ___
+} else {
+$code.="#endif";
 }
+
 }}} else {{{                # fallback for old assembler
 $code.=<<___;
 .text
@@ -907,6 +913,8 @@ ()
     .byte   0x0f,0x0b    # ud2
     ret
 .size   rsaz_amm52x40_x1_ifma256, .-rsaz_amm52x40_x1_ifma256
+
+#endif
 ___
 }}}
 
diff --git a/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-2k-avx512.S b/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-2k-avx512.S
index 87aa497a08..063b176bf5 100644
--- a/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-2k-avx512.S
+++ b/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-2k-avx512.S
@@ -4,6 +4,7 @@
 #include <openssl/asm_base.h>
 
 #if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_X86_64) && defined(__ELF__)
+#ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 .text	
 
 .globl	rsaz_amm52x20_x1_ifma256
@@ -893,3 +894,4 @@ extract_multiplier_2x20_win5:
 .quad	0,0,0,0
 .text	
 #endif
+#endif
diff --git a/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-3k-avx512.S b/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-3k-avx512.S
index 77f57ef9d5..3658c0df43 100644
--- a/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-3k-avx512.S
+++ b/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-3k-avx512.S
@@ -4,6 +4,7 @@
 #include <openssl/asm_base.h>
 
 #if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_X86_64) && defined(__ELF__)
+#ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 .text	
 
 .globl	rsaz_amm52x30_x1_ifma256
@@ -1320,3 +1321,4 @@ extract_multiplier_2x30_win5:
 .quad	0,0,0,0
 .text	
 #endif
+#endif
diff --git a/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-4k-avx512.S b/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-4k-avx512.S
index bf8f90acda..4ea2e7fb35 100644
--- a/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-4k-avx512.S
+++ b/generated-src/linux-x86_64/crypto/fipsmodule/rsaz-4k-avx512.S
@@ -4,6 +4,7 @@
 #include <openssl/asm_base.h>
 
 #if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_X86_64) && defined(__ELF__)
+#ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 .text	
 
 .globl	rsaz_amm52x40_x1_ifma256
@@ -1363,3 +1364,4 @@ extract_multiplier_2x40_win5:
 .quad	0,0,0,0
 .text	
 #endif
+#endif
diff --git a/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-2k-avx512.S b/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-2k-avx512.S
index 9346cc93b9..ca665b1b84 100644
--- a/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-2k-avx512.S
+++ b/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-2k-avx512.S
@@ -4,6 +4,7 @@
 #include <openssl/asm_base.h>
 
 #if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_X86_64) && defined(__APPLE__)
+#ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 .text	
 
 .globl	_rsaz_amm52x20_x1_ifma256
@@ -881,3 +882,4 @@ L$zeros:
 .quad	0,0,0,0
 .text	
 #endif
+#endif
diff --git a/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-3k-avx512.S b/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-3k-avx512.S
index 9ec398245c..6107ac5f7a 100644
--- a/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-3k-avx512.S
+++ b/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-3k-avx512.S
@@ -4,6 +4,7 @@
 #include <openssl/asm_base.h>
 
 #if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_X86_64) && defined(__APPLE__)
+#ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 .text	
 
 .globl	_rsaz_amm52x30_x1_ifma256
@@ -1308,3 +1309,4 @@ L$zeros:
 .quad	0,0,0,0
 .text	
 #endif
+#endif
diff --git a/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-4k-avx512.S b/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-4k-avx512.S
index 7cd78de975..93e1fee01d 100644
--- a/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-4k-avx512.S
+++ b/generated-src/mac-x86_64/crypto/fipsmodule/rsaz-4k-avx512.S
@@ -4,6 +4,7 @@
 #include <openssl/asm_base.h>
 
 #if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_X86_64) && defined(__APPLE__)
+#ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 .text	
 
 .globl	_rsaz_amm52x40_x1_ifma256
@@ -1351,3 +1352,4 @@ L$zeros:
 .quad	0,0,0,0
 .text	
 #endif
+#endif
diff --git a/generated-src/win-x86_64/crypto/fipsmodule/rsaz-2k-avx512.asm b/generated-src/win-x86_64/crypto/fipsmodule/rsaz-2k-avx512.asm
index 94ba2d6f79..8fb1c9d724 100644
--- a/generated-src/win-x86_64/crypto/fipsmodule/rsaz-2k-avx512.asm
+++ b/generated-src/win-x86_64/crypto/fipsmodule/rsaz-2k-avx512.asm
@@ -9,6 +9,7 @@ default	rel
 %define _CET_ENDBR
 
 %include "openssl/boringssl_prefix_symbols_nasm.inc"
+%ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 section	.text code align=64
 
 
@@ -1021,6 +1022,8 @@ $L$SEH_info_rsaz_amm52x20_x2_ifma256:
 	DB	9,0,0,0
 	DD	rsaz_def_handler wrt ..imagebase
 	DD	$L$rsaz_amm52x20_x2_ifma256_body wrt ..imagebase,$L$rsaz_amm52x20_x2_ifma256_epilogue wrt ..imagebase
+
+%endif
 %else
 ; Work around https://bugzilla.nasm.us/show_bug.cgi?id=3392738
 ret
diff --git a/generated-src/win-x86_64/crypto/fipsmodule/rsaz-3k-avx512.asm b/generated-src/win-x86_64/crypto/fipsmodule/rsaz-3k-avx512.asm
index 68b2e7e831..bf8bc7d9c2 100644
--- a/generated-src/win-x86_64/crypto/fipsmodule/rsaz-3k-avx512.asm
+++ b/generated-src/win-x86_64/crypto/fipsmodule/rsaz-3k-avx512.asm
@@ -9,6 +9,7 @@ default	rel
 %define _CET_ENDBR
 
 %include "openssl/boringssl_prefix_symbols_nasm.inc"
+%ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 section	.text code align=64
 
 
@@ -1499,6 +1500,8 @@ $L$SEH_info_rsaz_amm52x30_x2_ifma256:
 	DB	9,0,0,0
 	DD	rsaz_avx_handler wrt ..imagebase
 	DD	$L$rsaz_amm52x30_x2_ifma256_body wrt ..imagebase,$L$rsaz_amm52x30_x2_ifma256_epilogue wrt ..imagebase
+
+%endif
 %else
 ; Work around https://bugzilla.nasm.us/show_bug.cgi?id=3392738
 ret
diff --git a/generated-src/win-x86_64/crypto/fipsmodule/rsaz-4k-avx512.asm b/generated-src/win-x86_64/crypto/fipsmodule/rsaz-4k-avx512.asm
index aab641adee..08523a304e 100644
--- a/generated-src/win-x86_64/crypto/fipsmodule/rsaz-4k-avx512.asm
+++ b/generated-src/win-x86_64/crypto/fipsmodule/rsaz-4k-avx512.asm
@@ -9,6 +9,7 @@ default	rel
 %define _CET_ENDBR
 
 %include "openssl/boringssl_prefix_symbols_nasm.inc"
+%ifndef MY_ASSEMBLER_IS_TOO_OLD_FOR_512AVX
 section	.text code align=64
 
 
@@ -1542,6 +1543,8 @@ $L$SEH_info_rsaz_amm52x40_x2_ifma256:
 	DB	9,0,0,0
 	DD	rsaz_avx_handler wrt ..imagebase
 	DD	$L$rsaz_amm52x40_x2_ifma256_body wrt ..imagebase,$L$rsaz_amm52x40_x2_ifma256_epilogue wrt ..imagebase
+
+%endif
 %else
 ; Work around https://bugzilla.nasm.us/show_bug.cgi?id=3392738
 ret