Commit a148ca7627 for qemu.org

commit a148ca762788a47d35f307411c6611c80ea07d35
Author: Peter Maydell <peter.maydell@linaro.org>
Date:   Mon Jul 20 19:05:30 2026 +0100

    target/ppc: Remove unused helper_lscbx()

    The helper_lscbx() function isn't called anywhere.  It used to be
    used by the PPC 601 CPU support; we removed that in commit 005b69fdcc
    in 2022 but missed this helper function.

    Fixes: 005b69fdcc ("target/ppc: Remove PowerPC 601 CPUs")
    Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
    Reviewed-by: Amit Machhiwal <amachhiw@linux.ibm.com>
    Message-id: 20260709095056.1803725-1-peter.maydell@linaro.org

diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index e99c8c824b..6b2d19a3ad 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -54,7 +54,6 @@ DEF_HELPER_FLAGS_2(dcbzl, TCG_CALL_NO_WG, void, env, tl)
 #endif
 DEF_HELPER_FLAGS_2(icbi, TCG_CALL_NO_WG, void, env, tl)
 DEF_HELPER_FLAGS_2(icbiep, TCG_CALL_NO_WG, void, env, tl)
-DEF_HELPER_5(lscbx, tl, env, tl, i32, i32, i32)

 #if defined(TARGET_PPC64)
 DEF_HELPER_4(DIVDEU, i64, env, i64, i64, i32)
diff --git a/target/ppc/mem_helper.c b/target/ppc/mem_helper.c
index 119dc1df23..787ba2cdec 100644
--- a/target/ppc/mem_helper.c
+++ b/target/ppc/mem_helper.c
@@ -367,34 +367,6 @@ void helper_icbiep(CPUPPCState *env, target_ulong addr)
 #endif
 }

-/* XXX: to be tested */
-target_ulong helper_lscbx(CPUPPCState *env, target_ulong addr, uint32_t reg,
-                          uint32_t ra, uint32_t rb)
-{
-    int i, c, d;
-
-    d = 24;
-    for (i = 0; i < xer_bc; i++) {
-        c = cpu_ldub_data_ra(env, addr, GETPC());
-        addr = addr_add(env, addr, 1);
-        /* ra (if not 0) and rb are never modified */
-        if (likely(reg != rb && (ra == 0 || reg != ra))) {
-            env->gpr[reg] = (env->gpr[reg] & ~(0xFF << d)) | (c << d);
-        }
-        if (unlikely(c == xer_cmp)) {
-            break;
-        }
-        if (likely(d != 0)) {
-            d -= 8;
-        } else {
-            d = 24;
-            reg++;
-            reg = reg & 0x1F;
-        }
-    }
-    return i;
-}
-
 /*****************************************************************************/
 /* Altivec extension helpers */
 #if HOST_BIG_ENDIAN