[RFC v14 64/80] target/arm: restrict rebuild_hflags_a64 to TARGET_AARCH64

[Claudio Fontana]

this work is in preparation of making sve_zcr_len_for_el AARCH64-only.

Signed-off-by: Claudio Fontana <cfontana@suse.de>
---
 target/arm/helper-a64.h |  2 ++
 target/arm/helper.h     |  1 -
 target/arm/tcg/helper.c | 12 ++++++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/target/arm/helper-a64.h b/target/arm/helper-a64.h
index c139fa81f9..342f55d577 100644
--- a/target/arm/helper-a64.h
+++ b/target/arm/helper-a64.h
@@ -119,3 +119,5 @@ DEF_HELPER_FLAGS_2(st2g_stub, TCG_CALL_NO_WG, void, env, 
i64)
 DEF_HELPER_FLAGS_2(ldgm, TCG_CALL_NO_WG, i64, env, i64)
 DEF_HELPER_FLAGS_3(stgm, TCG_CALL_NO_WG, void, env, i64, i64)
 DEF_HELPER_FLAGS_3(stzgm_tags, TCG_CALL_NO_WG, void, env, i64, i64)
+
+DEF_HELPER_FLAGS_2(rebuild_hflags_a64, TCG_CALL_NO_RWG, void, env, int)
diff --git a/target/arm/helper.h b/target/arm/helper.h
index ff8148ddc6..37dd9797a1 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -94,7 +94,6 @@ DEF_HELPER_FLAGS_1(rebuild_hflags_m32_newel, TCG_CALL_NO_RWG, 
void, env)
 DEF_HELPER_FLAGS_2(rebuild_hflags_m32, TCG_CALL_NO_RWG, void, env, int)
 DEF_HELPER_FLAGS_1(rebuild_hflags_a32_newel, TCG_CALL_NO_RWG, void, env)
 DEF_HELPER_FLAGS_2(rebuild_hflags_a32, TCG_CALL_NO_RWG, void, env, int)
-DEF_HELPER_FLAGS_2(rebuild_hflags_a64, TCG_CALL_NO_RWG, void, env, int)
 
 DEF_HELPER_FLAGS_5(probe_access, TCG_CALL_NO_WG, void, env, tl, i32, i32, i32)
 
diff --git a/target/arm/tcg/helper.c b/target/arm/tcg/helper.c
index 8a0d59cbad..eb0fd394da 100644
--- a/target/arm/tcg/helper.c
+++ b/target/arm/tcg/helper.c
@@ -988,6 +988,8 @@ static uint32_t rebuild_hflags_a32(CPUARMState *env, int 
fp_el,
     return rebuild_hflags_common_32(env, fp_el, mmu_idx, flags);
 }
 
+#ifdef TARGET_AARCH64
+
 static uint32_t rebuild_hflags_a64(CPUARMState *env, int el, int fp_el,
                                    ARMMMUIdx mmu_idx)
 {
@@ -1108,6 +1110,14 @@ static uint32_t rebuild_hflags_a64(CPUARMState *env, int 
el, int fp_el,
     return rebuild_hflags_common(env, fp_el, mmu_idx, flags);
 }
 
+#else
+
+QEMU_ERROR("this should have been optimized away!")
+uint32_t rebuild_hflags_a64(CPUARMState *env, int el, int fp_el,
+                            ARMMMUIdx mmu_idx);
+
+#endif /* TARGET_AARCH64 */
+
 static uint32_t rebuild_hflags_internal(CPUARMState *env)
 {
     int el = arm_current_el(env);
@@ -1168,6 +1178,7 @@ void HELPER(rebuild_hflags_a32)(CPUARMState *env, int el)
     env->hflags = rebuild_hflags_a32(env, fp_el, mmu_idx);
 }
 
+#ifdef TARGET_AARCH64
 void HELPER(rebuild_hflags_a64)(CPUARMState *env, int el)
 {
     int fp_el = fp_exception_el(env, el);
@@ -1175,6 +1186,7 @@ void HELPER(rebuild_hflags_a64)(CPUARMState *env, int el)
 
     env->hflags = rebuild_hflags_a64(env, el, fp_el, mmu_idx);
 }
+#endif /* TARGET_AARCH64 */
 
 static inline void assert_hflags_rebuild_correctly(CPUARMState *env)
 {
-- 
2.26.2