tcg: Drop division helpers

All current tcg hosts support division, so the helpers
are no longer used.

Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

accel/tcg/tcg-runtime.c

@@ -32,50 +32,6 @@
 #include "exec/helper-info.c.inc"
 #undef  HELPER_H
 
-/* 32-bit helpers */
-
-int32_t HELPER(div_i32)(int32_t arg1, int32_t arg2)
-{
-    return arg1 / arg2;
-}
-
-int32_t HELPER(rem_i32)(int32_t arg1, int32_t arg2)
-{
-    return arg1 % arg2;
-}
-
-uint32_t HELPER(divu_i32)(uint32_t arg1, uint32_t arg2)
-{
-    return arg1 / arg2;
-}
-
-uint32_t HELPER(remu_i32)(uint32_t arg1, uint32_t arg2)
-{
-    return arg1 % arg2;
-}
-
-/* 64-bit helpers */
-
-int64_t HELPER(div_i64)(int64_t arg1, int64_t arg2)
-{
-    return arg1 / arg2;
-}
-
-int64_t HELPER(rem_i64)(int64_t arg1, int64_t arg2)
-{
-    return arg1 % arg2;
-}
-
-uint64_t HELPER(divu_i64)(uint64_t arg1, uint64_t arg2)
-{
-    return arg1 / arg2;
-}
-
-uint64_t HELPER(remu_i64)(uint64_t arg1, uint64_t arg2)
-{
-    return arg1 % arg2;
-}
-
 uint64_t HELPER(muluh_i64)(uint64_t arg1, uint64_t arg2)
 {
     uint64_t l, h;

accel/tcg/tcg-runtime.h

@@ -1,13 +1,3 @@
-DEF_HELPER_FLAGS_2(div_i32, TCG_CALL_NO_RWG_SE, s32, s32, s32)
-DEF_HELPER_FLAGS_2(rem_i32, TCG_CALL_NO_RWG_SE, s32, s32, s32)
-DEF_HELPER_FLAGS_2(divu_i32, TCG_CALL_NO_RWG_SE, i32, i32, i32)
-DEF_HELPER_FLAGS_2(remu_i32, TCG_CALL_NO_RWG_SE, i32, i32, i32)
-
-DEF_HELPER_FLAGS_2(div_i64, TCG_CALL_NO_RWG_SE, s64, s64, s64)
-DEF_HELPER_FLAGS_2(rem_i64, TCG_CALL_NO_RWG_SE, s64, s64, s64)
-DEF_HELPER_FLAGS_2(divu_i64, TCG_CALL_NO_RWG_SE, i64, i64, i64)
-DEF_HELPER_FLAGS_2(remu_i64, TCG_CALL_NO_RWG_SE, i64, i64, i64)
-
 DEF_HELPER_FLAGS_2(mulsh_i64, TCG_CALL_NO_RWG_SE, s64, s64, s64)
 DEF_HELPER_FLAGS_2(muluh_i64, TCG_CALL_NO_RWG_SE, i64, i64, i64)
 

tcg/tcg-op.c

@@ -619,7 +619,7 @@ void tcg_gen_div_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
         tcg_gen_op5_i32(INDEX_op_divs2, ret, t0, arg1, t0, arg2);
         tcg_temp_free_i32(t0);
     } else {
-        gen_helper_div_i32(ret, arg1, arg2);
+        g_assert_not_reached();
     }
 }
 
@@ -639,7 +639,7 @@ void tcg_gen_rem_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
         tcg_gen_op5_i32(INDEX_op_divs2, t0, ret, arg1, t0, arg2);
         tcg_temp_free_i32(t0);
     } else {
-        gen_helper_rem_i32(ret, arg1, arg2);
+        g_assert_not_reached();
     }
 }
 
@@ -653,7 +653,7 @@ void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
         tcg_gen_op5_i32(INDEX_op_divu2, ret, t0, arg1, zero, arg2);
         tcg_temp_free_i32(t0);
     } else {
-        gen_helper_divu_i32(ret, arg1, arg2);
+        g_assert_not_reached();
     }
 }
 
@@ -673,7 +673,7 @@ void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
         tcg_gen_op5_i32(INDEX_op_divu2, t0, ret, arg1, zero, arg2);
         tcg_temp_free_i32(t0);
     } else {
-        gen_helper_remu_i32(ret, arg1, arg2);
+        g_assert_not_reached();
     }
 }
 
@@ -1547,7 +1547,7 @@ void tcg_gen_div_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
         tcg_gen_op5_i64(INDEX_op_divs2, ret, t0, arg1, t0, arg2);
         tcg_temp_free_i64(t0);
     } else {
-        gen_helper_div_i64(ret, arg1, arg2);
+        g_assert_not_reached();
     }
 }
 
@@ -1567,7 +1567,7 @@ void tcg_gen_rem_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
         tcg_gen_op5_i64(INDEX_op_divs2, t0, ret, arg1, t0, arg2);
         tcg_temp_free_i64(t0);
     } else {
-        gen_helper_rem_i64(ret, arg1, arg2);
+        g_assert_not_reached();
     }
 }
 
@@ -1581,7 +1581,7 @@ void tcg_gen_divu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
         tcg_gen_op5_i64(INDEX_op_divu2, ret, t0, arg1, zero, arg2);
         tcg_temp_free_i64(t0);
     } else {
-        gen_helper_divu_i64(ret, arg1, arg2);
+        g_assert_not_reached();
     }
 }
 
@@ -1601,7 +1601,7 @@ void tcg_gen_remu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
         tcg_gen_op5_i64(INDEX_op_divu2, t0, ret, arg1, zero, arg2);
         tcg_temp_free_i64(t0);
     } else {
-        gen_helper_remu_i64(ret, arg1, arg2);
+        g_assert_not_reached();
     }
 }