diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index 92595a42df..0084080fad 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -249,11 +249,6 @@ DEF_HELPER_4(VINSBLX, void, env, avr, i64, tl)
 DEF_HELPER_4(VINSHLX, void, env, avr, i64, tl)
 DEF_HELPER_4(VINSWLX, void, env, avr, i64, tl)
 DEF_HELPER_4(VINSDLX, void, env, avr, i64, tl)
-DEF_HELPER_2(vextsb2w, void, avr, avr)
-DEF_HELPER_2(vextsh2w, void, avr, avr)
-DEF_HELPER_2(vextsb2d, void, avr, avr)
-DEF_HELPER_2(vextsh2d, void, avr, avr)
-DEF_HELPER_2(vextsw2d, void, avr, avr)
 DEF_HELPER_2(vnegw, void, avr, avr)
 DEF_HELPER_2(vnegd, void, avr, avr)
 DEF_HELPER_2(vupkhpx, void, avr, avr)
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
index c4796260b6..757791f0ac 100644
--- a/target/ppc/insn32.decode
+++ b/target/ppc/insn32.decode
@@ -419,6 +419,14 @@ VINSWVRX        000100 ..... ..... ..... 00110001111    @VX
 VSLDBI          000100 ..... ..... ..... 00 ... 010110  @VN
 VSRDBI          000100 ..... ..... ..... 01 ... 010110  @VN
 
+## Vector Integer Arithmetic Instructions
+
+VEXTSB2W        000100 ..... 10000 ..... 11000000010    @VX_tb
+VEXTSH2W        000100 ..... 10001 ..... 11000000010    @VX_tb
+VEXTSB2D        000100 ..... 11000 ..... 11000000010    @VX_tb
+VEXTSH2D        000100 ..... 11001 ..... 11000000010    @VX_tb
+VEXTSW2D        000100 ..... 11010 ..... 11000000010    @VX_tb
+
 ## Vector Mask Manipulation Instructions
 
 MTVSRBM         000100 ..... 10000 ..... 11001000010    @VX_tb
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index 79cde68f19..630fbc579a 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -1768,21 +1768,6 @@ XXBLEND(W, 32)
 XXBLEND(D, 64)
 #undef XXBLEND
 
-#define VEXT_SIGNED(name, element, cast)                            \
-void helper_##name(ppc_avr_t *r, ppc_avr_t *b)                      \
-{                                                                   \
-    int i;                                                          \
-    for (i = 0; i < ARRAY_SIZE(r->element); i++) {                  \
-        r->element[i] = (cast)b->element[i];                        \
-    }                                                               \
-}
-VEXT_SIGNED(vextsb2w, s32, int8_t)
-VEXT_SIGNED(vextsb2d, s64, int8_t)
-VEXT_SIGNED(vextsh2w, s32, int16_t)
-VEXT_SIGNED(vextsh2d, s64, int16_t)
-VEXT_SIGNED(vextsw2d, s64, int32_t)
-#undef VEXT_SIGNED
-
 #define VNEG(name, element)                                         \
 void helper_##name(ppc_avr_t *r, ppc_avr_t *b)                      \
 {                                                                   \
diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc
index b7559cf94c..ec782c47ff 100644
--- a/target/ppc/translate/vmx-impl.c.inc
+++ b/target/ppc/translate/vmx-impl.c.inc
@@ -1772,11 +1772,26 @@ GEN_VXFORM_TRANS(vclzw, 1, 30)
 GEN_VXFORM_TRANS(vclzd, 1, 31)
 GEN_VXFORM_NOA_2(vnegw, 1, 24, 6)
 GEN_VXFORM_NOA_2(vnegd, 1, 24, 7)
-GEN_VXFORM_NOA_2(vextsb2w, 1, 24, 16)
-GEN_VXFORM_NOA_2(vextsh2w, 1, 24, 17)
-GEN_VXFORM_NOA_2(vextsb2d, 1, 24, 24)
-GEN_VXFORM_NOA_2(vextsh2d, 1, 24, 25)
-GEN_VXFORM_NOA_2(vextsw2d, 1, 24, 26)
+
+static bool do_vexts(DisasContext *ctx, arg_VX_tb *a, int vece, int s)
+{
+    REQUIRE_INSNS_FLAGS2(ctx, ISA300);
+    REQUIRE_VECTOR(ctx);
+
+    tcg_gen_gvec_shli(vece, avr_full_offset(a->vrt), avr_full_offset(a->vrb),
+                      s, 16, 16);
+    tcg_gen_gvec_sari(vece, avr_full_offset(a->vrt), avr_full_offset(a->vrt),
+                      s, 16, 16);
+
+    return true;
+}
+
+TRANS(VEXTSB2W, do_vexts, MO_32, 24);
+TRANS(VEXTSH2W, do_vexts, MO_32, 16);
+TRANS(VEXTSB2D, do_vexts, MO_64, 56);
+TRANS(VEXTSH2D, do_vexts, MO_64, 48);
+TRANS(VEXTSW2D, do_vexts, MO_64, 32);
+
 GEN_VXFORM_NOA_2(vctzb, 1, 24, 28)
 GEN_VXFORM_NOA_2(vctzh, 1, 24, 29)
 GEN_VXFORM_NOA_2(vctzw, 1, 24, 30)
diff --git a/target/ppc/translate/vmx-ops.c.inc b/target/ppc/translate/vmx-ops.c.inc
index 914e68e5b0..6787327f56 100644
--- a/target/ppc/translate/vmx-ops.c.inc
+++ b/target/ppc/translate/vmx-ops.c.inc
@@ -216,11 +216,6 @@ GEN_VXFORM(vspltish, 6, 13),
 GEN_VXFORM(vspltisw, 6, 14),
 GEN_VXFORM_300_EO(vnegw, 0x01, 0x18, 0x06),
 GEN_VXFORM_300_EO(vnegd, 0x01, 0x18, 0x07),
-GEN_VXFORM_300_EO(vextsb2w, 0x01, 0x18, 0x10),
-GEN_VXFORM_300_EO(vextsh2w, 0x01, 0x18, 0x11),
-GEN_VXFORM_300_EO(vextsb2d, 0x01, 0x18, 0x18),
-GEN_VXFORM_300_EO(vextsh2d, 0x01, 0x18, 0x19),
-GEN_VXFORM_300_EO(vextsw2d, 0x01, 0x18, 0x1A),
 GEN_VXFORM_300_EO(vctzb, 0x01, 0x18, 0x1C),
 GEN_VXFORM_300_EO(vctzh, 0x01, 0x18, 0x1D),
 GEN_VXFORM_300_EO(vctzw, 0x01, 0x18, 0x1E),
