diff -rupN binutils.orig/gas/config/tc-i386.c binutils-2.40/gas/config/tc-i386.c
--- binutils.orig/gas/config/tc-i386.c	2024-02-13 16:41:10.787729089 +0000
+++ binutils-2.40/gas/config/tc-i386.c	2024-02-13 16:52:35.402669140 +0000
@@ -998,6 +998,7 @@ static const arch_entry cpu_arch[] =
   ARCH (znver2, ZNVER, ZNVER2, false),
   ARCH (znver3, ZNVER, ZNVER3, false),
   ARCH (znver4, ZNVER, ZNVER4, false),
+  ARCH (znver5, ZNVER, ZNVER5, false),
   ARCH (btver1, BT, BTVER1, false),
   ARCH (btver2, BT, BTVER2, false),
 
diff -rupN binutils.orig/gas/doc/c-i386.texi binutils-2.40/gas/doc/c-i386.texi
--- binutils.orig/gas/doc/c-i386.texi	2024-02-13 16:41:10.789729089 +0000
+++ binutils-2.40/gas/doc/c-i386.texi	2024-02-13 16:52:35.572669132 +0000
@@ -125,6 +125,7 @@ processor names are recognized:
 @code{znver2},
 @code{znver3},
 @code{znver4},
+@code{znver5},
 @code{btver1},
 @code{btver2},
 @code{generic32} and
@@ -1477,7 +1478,8 @@ supported on the CPU specified.  The cho
 @item @samp{k6} @tab @samp{k6_2} @tab @samp{athlon} @tab @samp{k8}
 @item @samp{amdfam10} @tab @samp{bdver1} @tab @samp{bdver2} @tab @samp{bdver3}
 @item @samp{bdver4} @tab @samp{znver1} @tab @samp{znver2} @tab @samp{znver3}
-@item @samp{znver4} @tab @samp{btver1} @tab @samp{btver2} @tab @samp{generic32}
+@item @samp{znver4} @tab @samp{znver5} @tab @samp{btver1} @tab @samp{btver2}
+@item @samp{generic32}
 @item @samp{generic64} @tab @samp{.cmov} @tab @samp{.fxsr} @tab @samp{.mmx}
 @item @samp{.sse} @tab @samp{.sse2} @tab @samp{.sse3} @tab @samp{.sse4a}
 @item @samp{.ssse3} @tab @samp{.sse4.1} @tab @samp{.sse4.2} @tab @samp{.sse4}
diff -rupN binutils.orig/gas/testsuite/gas/i386/arch-15-znver5.d binutils-2.40/gas/testsuite/gas/i386/arch-15-znver5.d
--- binutils.orig/gas/testsuite/gas/i386/arch-15-znver5.d	1970-01-01 01:00:00.000000000 +0100
+++ binutils-2.40/gas/testsuite/gas/i386/arch-15-znver5.d	2024-02-13 16:52:35.405669140 +0000
@@ -0,0 +1,5 @@
+#source: arch-15.s
+#as: -march=znver5
+#objdump: -dw
+#name: i386 arch 15 (znver5)
+#dump: arch-15.d
diff -rupN binutils.orig/gas/testsuite/gas/i386/arch-15.d binutils-2.40/gas/testsuite/gas/i386/arch-15.d
--- binutils.orig/gas/testsuite/gas/i386/arch-15.d	1970-01-01 01:00:00.000000000 +0100
+++ binutils-2.40/gas/testsuite/gas/i386/arch-15.d	2024-02-13 16:52:35.405669140 +0000
@@ -0,0 +1,13 @@
+#objdump: -dw
+#name: i386 arch 15
+
+.*:     file format .*
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ 	]*[a-f0-9]+:[ 	]*c4 e2 59 50 d2[ 	]*\{vex\} vpdpbusd %xmm2,%xmm4,%xmm2
+[ 	]*[a-f0-9]+:[ 	]*0f 38 f9 01[ 	]*movdiri %eax,\(%ecx\)
+[ 	]*[a-f0-9]+:[ 	]*66 0f 38 f8 01[ 	]*movdir64b \(%ecx\),%eax
+[ 	]*[a-f0-9]+:[ 	]*62 f2 6f 48 68 d9[ 	]*vp2intersectd %zmm1,%zmm2,%k3
+#pass
diff -rupN binutils.orig/gas/testsuite/gas/i386/arch-15.s binutils-2.40/gas/testsuite/gas/i386/arch-15.s
--- binutils.orig/gas/testsuite/gas/i386/arch-15.s	1970-01-01 01:00:00.000000000 +0100
+++ binutils-2.40/gas/testsuite/gas/i386/arch-15.s	2024-02-13 16:52:35.405669140 +0000
@@ -0,0 +1,7 @@
+# Test -march=
+	.text
+
+    {vex} vpdpbusd %xmm2, %xmm4, %xmm2    #AVX_VNNI
+    movdiri %eax, (%ecx)            #MOVDIRI
+    movdir64b (%ecx), %eax          #MOVDIR64B
+    vp2intersectd %zmm1, %zmm2, %k3 #AVX512_VP2INTERSECT
diff -rupN binutils.orig/gas/testsuite/gas/i386/i386.exp binutils-2.40/gas/testsuite/gas/i386/i386.exp
--- binutils.orig/gas/testsuite/gas/i386/i386.exp	2024-02-13 16:41:10.859729082 +0000
+++ binutils-2.40/gas/testsuite/gas/i386/i386.exp	2024-02-13 16:52:35.405669140 +0000
@@ -199,6 +199,7 @@ if [gas_32_check] then {
     run_dump_test "arch-13-znver2"
     run_dump_test "arch-14-znver3"
     run_dump_test "arch-14-znver4"
+    run_dump_test "arch-15-znver5"
     run_dump_test "arch-10-btver1"
     run_dump_test "arch-10-btver2"
     run_list_test "arch-10-1" "-march=generic32 -I${srcdir}/$subdir -al"
@@ -211,6 +212,7 @@ if [gas_32_check] then {
     run_dump_test "arch-13"
     run_dump_test "arch-14"
     run_dump_test "arch-14-1"
+    run_dump_test "arch-15"
     run_list_test "arch-dflt" "-march=generic32 -al"
     run_list_test "arch-stk" "-march=generic32 -al"
     run_dump_test "8087"
diff -rupN binutils.orig/gas/testsuite/gas/i386/x86-64-arch-5-znver5.d binutils-2.40/gas/testsuite/gas/i386/x86-64-arch-5-znver5.d
--- binutils.orig/gas/testsuite/gas/i386/x86-64-arch-5-znver5.d	1970-01-01 01:00:00.000000000 +0100
+++ binutils-2.40/gas/testsuite/gas/i386/x86-64-arch-5-znver5.d	2024-02-13 16:52:35.406669140 +0000
@@ -0,0 +1,5 @@
+#source: x86-64-arch-5.s
+#as: -march=znver5
+#objdump: -dw
+#name: x86-64 arch 5 (znver5)
+#dump: x86-64-arch-5.d
diff -rupN binutils.orig/gas/testsuite/gas/i386/x86-64-arch-5.d binutils-2.40/gas/testsuite/gas/i386/x86-64-arch-5.d
--- binutils.orig/gas/testsuite/gas/i386/x86-64-arch-5.d	1970-01-01 01:00:00.000000000 +0100
+++ binutils-2.40/gas/testsuite/gas/i386/x86-64-arch-5.d	2024-02-13 16:52:35.406669140 +0000
@@ -0,0 +1,14 @@
+#objdump: -dw
+#name: x86-64 arch 5
+
+.*:     file format .*
+
+Disassembly of section .text:
+
+0+ <.text>:
+[ 	]*[a-f0-9]+:[ 	]*c4 c2 59 50 d4[ 	]*\{vex\} vpdpbusd %xmm12,%xmm4,%xmm2
+[ 	]*[a-f0-9]+:[ 	]*48 0f 38 f9 01[ 	]*movdiri %rax,\(%rcx\)
+[ 	]*[a-f0-9]+:[ 	]*66 0f 38 f8 01[ 	]*movdir64b \(%rcx\),%rax
+[ 	]*[a-f0-9]+:[ 	]*62 f2 6f 48 68 d9[ 	]*vp2intersectd %zmm1,%zmm2,%k3
+[ 	]*[a-f0-9]+:[ 	]*0f 18 3d 78 56 34 12[ 	]*prefetchit0 0x12345678\(%rip\)        # 0x[0-9a-f]+
+#pass
diff -rupN binutils.orig/gas/testsuite/gas/i386/x86-64-arch-5.s binutils-2.40/gas/testsuite/gas/i386/x86-64-arch-5.s
--- binutils.orig/gas/testsuite/gas/i386/x86-64-arch-5.s	1970-01-01 01:00:00.000000000 +0100
+++ binutils-2.40/gas/testsuite/gas/i386/x86-64-arch-5.s	2024-02-13 16:52:35.406669140 +0000
@@ -0,0 +1,8 @@
+# Test -march=
+	.text
+
+    {vex} vpdpbusd %xmm12, %xmm4, %xmm2     #AVX_VNNI
+    movdiri %rax, (%rcx)                    #MOVDIRI
+    movdir64b (%rcx), %rax                  #MOVDIR64B
+    vp2intersectd %zmm1, %zmm2, %k3         #AVX512_VP2INTERSECT
+    prefetchit0 0x12345678(%rip)            #prefetchi
diff -rupN binutils.orig/opcodes/i386-gen.c binutils-2.40/opcodes/i386-gen.c
--- binutils.orig/opcodes/i386-gen.c	2024-02-13 16:41:11.145729056 +0000
+++ binutils-2.40/opcodes/i386-gen.c	2024-02-13 16:52:35.406669140 +0000
@@ -97,6 +97,8 @@ static const dependency isa_dependencies
     "ZNVER2|INVLPGB|TLBSYNC|VAES|VPCLMULQDQ|INVPCID|SNP|OSPKE" },
   { "ZNVER4",
     "ZNVER3|AVX512F|AVX512DQ|AVX512IFMA|AVX512CD|AVX512BW|AVX512VL|AVX512_BF16|AVX512VBMI|AVX512_VBMI2|AVX512_VNNI|AVX512_BITALG|AVX512_VPOPCNTDQ|GFNI|RMPQUERY" },
+  { "ZNVER5",
+    "ZNVER4|AVX_VNNI|MOVDIRI|MOVDIR64B|AVX512_VP2INTERSECT|PREFETCHI" },
   { "BTVER1",
     "GENERIC64|FISTTP|CX16|Rdtscp|SSSE3|SSE4A|ABM|PRFCHW|CX16|Clflush|FISTTP|SVME" },
   { "BTVER2",
diff -rupN binutils.orig/opcodes/i386-init.h binutils-2.40/opcodes/i386-init.h
--- binutils.orig/opcodes/i386-init.h	2024-02-13 16:41:11.145729056 +0000
+++ binutils-2.40/opcodes/i386-init.h	2024-02-13 17:32:50.339735343 +0000
@@ -1431,6 +1431,15 @@
       1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, \
       0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 } }
 
+#define CPU_ZNVER5_FLAGS \
+  { { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, \
+      0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, \
+      1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, \
+      0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, \
+      0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, \
+      1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, \
+      0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 } }
+
 #define CPU_BTVER1_FLAGS \
   { { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, \
       0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \
--- binutils.orig/gas/testsuite/gas/i386/i386.exp	2024-02-22 12:25:43.212505914 +0000
+++ binutils-2.40/gas/testsuite/gas/i386/i386.exp	2024-02-22 12:28:26.254563823 +0000
@@ -922,6 +922,7 @@ if [gas_64_check] then {
     run_dump_test "x86-64-arch-4"
     run_dump_test "x86-64-arch-4-1"
     run_dump_test "rmpquery"
+    run_dump_test "x86-64-arch-5"
     run_dump_test "x86-64-arch-2-lzcnt"
     run_dump_test "x86-64-arch-2-prefetchw"
     run_dump_test "x86-64-arch-2-bdver1"
@@ -932,6 +933,7 @@ if [gas_64_check] then {
     run_dump_test "x86-64-arch-3-znver2"
     run_dump_test "x86-64-arch-4-znver3"
     run_dump_test "x86-64-arch-4-znver4"
+    run_dump_test "x86-64-arch-5-znver5"
     run_dump_test "x86-64-arch-2-btver1"
     run_dump_test "x86-64-arch-2-btver2"
     run_list_test "x86-64-arch-2-1" "-march=generic64 -I${srcdir}/$subdir -al"