diff mbox series

[v3,53/66] target/alpha: Reorg integer memory operations

Message ID 20210818191920.390759-54-richard.henderson@linaro.org
State Superseded
Headers show
Series Unaligned access for user-only | expand

Commit Message

Richard Henderson Aug. 18, 2021, 7:19 p.m. UTC
Pass in the MemOp instead of a callback.
Drop the fp argument; add a locked argument.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/alpha/translate.c | 104 +++++++++++++++------------------------
 1 file changed, 40 insertions(+), 64 deletions(-)

-- 
2.25.1

Comments

Peter Maydell Aug. 20, 2021, 9:29 a.m. UTC | #1
On Wed, 18 Aug 2021 at 21:11, Richard Henderson
<richard.henderson@linaro.org> wrote:
>

> Pass in the MemOp instead of a callback.

> Drop the fp argument; add a locked argument.

>

> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

> ---

>  target/alpha/translate.c | 104 +++++++++++++++------------------------

>  1 file changed, 40 insertions(+), 64 deletions(-)


Reviewed-by: Peter Maydell <peter.maydell@linaro.org>


(One of those patches where diff has made an incomprehensible mess
of the change and it's easier to look separately at the "before"
and "after" files, at least for the first half of the patch...)

thanks
-- PMM
diff mbox series

Patch

diff --git a/target/alpha/translate.c b/target/alpha/translate.c
index 607b6c3da7..c14c1156a0 100644
--- a/target/alpha/translate.c
+++ b/target/alpha/translate.c
@@ -308,27 +308,10 @@  static void gen_load_fp(DisasContext *ctx, int ra, int rb, int32_t disp16,
     }
 }
 
-static inline void gen_qemu_ldl_l(TCGv t0, TCGv t1, int flags)
+static void gen_load_int(DisasContext *ctx, int ra, int rb, int32_t disp16,
+                         MemOp op, bool clear, bool locked)
 {
-    tcg_gen_qemu_ld_i64(t0, t1, flags, MO_LESL);
-    tcg_gen_mov_i64(cpu_lock_addr, t1);
-    tcg_gen_mov_i64(cpu_lock_value, t0);
-}
-
-static inline void gen_qemu_ldq_l(TCGv t0, TCGv t1, int flags)
-{
-    tcg_gen_qemu_ld_i64(t0, t1, flags, MO_LEQ);
-    tcg_gen_mov_i64(cpu_lock_addr, t1);
-    tcg_gen_mov_i64(cpu_lock_value, t0);
-}
-
-static inline void gen_load_mem(DisasContext *ctx,
-                                void (*tcg_gen_qemu_load)(TCGv t0, TCGv t1,
-                                                          int flags),
-                                int ra, int rb, int32_t disp16, bool fp,
-                                bool clear)
-{
-    TCGv tmp, addr, va;
+    TCGv addr, dest;
 
     /* LDQ_U with ra $31 is UNOP.  Other various loads are forms of
        prefetches, which we can treat as nops.  No worries about
@@ -337,22 +320,20 @@  static inline void gen_load_mem(DisasContext *ctx,
         return;
     }
 
-    tmp = tcg_temp_new();
-    addr = load_gpr(ctx, rb);
-
-    if (disp16) {
-        tcg_gen_addi_i64(tmp, addr, disp16);
-        addr = tmp;
-    }
+    addr = tcg_temp_new();
+    tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16);
     if (clear) {
-        tcg_gen_andi_i64(tmp, addr, ~0x7);
-        addr = tmp;
+        tcg_gen_andi_i64(addr, addr, ~0x7);
     }
 
-    va = (fp ? cpu_fir[ra] : ctx->ir[ra]);
-    tcg_gen_qemu_load(va, addr, ctx->mem_idx);
+    dest = ctx->ir[ra];
+    tcg_gen_qemu_ld_i64(dest, addr, ctx->mem_idx, op);
 
-    tcg_temp_free(tmp);
+    if (locked) {
+        tcg_gen_mov_i64(cpu_lock_addr, addr);
+        tcg_gen_mov_i64(cpu_lock_value, dest);
+    }
+    tcg_temp_free(addr);
 }
 
 static void gen_stf(DisasContext *ctx, TCGv src, TCGv addr)
@@ -393,30 +374,21 @@  static void gen_store_fp(DisasContext *ctx, int ra, int rb, int32_t disp16,
     tcg_temp_free(addr);
 }
 
-static inline void gen_store_mem(DisasContext *ctx,
-                                 void (*tcg_gen_qemu_store)(TCGv t0, TCGv t1,
-                                                            int flags),
-                                 int ra, int rb, int32_t disp16, bool fp,
-                                 bool clear)
+static void gen_store_int(DisasContext *ctx, int ra, int rb, int32_t disp16,
+                          MemOp op, bool clear)
 {
-    TCGv tmp, addr, va;
+    TCGv addr, src;
 
-    tmp = tcg_temp_new();
-    addr = load_gpr(ctx, rb);
-
-    if (disp16) {
-        tcg_gen_addi_i64(tmp, addr, disp16);
-        addr = tmp;
-    }
+    addr = tcg_temp_new();
+    tcg_gen_addi_i64(addr, load_gpr(ctx, rb), disp16);
     if (clear) {
-        tcg_gen_andi_i64(tmp, addr, ~0x7);
-        addr = tmp;
+        tcg_gen_andi_i64(addr, addr, ~0x7);
     }
 
-    va = (fp ? load_fpr(ctx, ra) : load_gpr(ctx, ra));
-    tcg_gen_qemu_store(va, addr, ctx->mem_idx);
+    src = load_gpr(ctx, ra);
+    tcg_gen_qemu_st_i64(src, addr, ctx->mem_idx, op);
 
-    tcg_temp_free(tmp);
+    tcg_temp_free(addr);
 }
 
 static DisasJumpType gen_store_conditional(DisasContext *ctx, int ra, int rb,
@@ -1511,30 +1483,30 @@  static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn)
     case 0x0A:
         /* LDBU */
         REQUIRE_AMASK(BWX);
-        gen_load_mem(ctx, &tcg_gen_qemu_ld8u, ra, rb, disp16, 0, 0);
+        gen_load_int(ctx, ra, rb, disp16, MO_UB, 0, 0);
         break;
     case 0x0B:
         /* LDQ_U */
-        gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 1);
+        gen_load_int(ctx, ra, rb, disp16, MO_LEQ, 1, 0);
         break;
     case 0x0C:
         /* LDWU */
         REQUIRE_AMASK(BWX);
-        gen_load_mem(ctx, &tcg_gen_qemu_ld16u, ra, rb, disp16, 0, 0);
+        gen_load_int(ctx, ra, rb, disp16, MO_LEUW, 0, 0);
         break;
     case 0x0D:
         /* STW */
         REQUIRE_AMASK(BWX);
-        gen_store_mem(ctx, &tcg_gen_qemu_st16, ra, rb, disp16, 0, 0);
+        gen_store_int(ctx, ra, rb, disp16, MO_LEUW, 0);
         break;
     case 0x0E:
         /* STB */
         REQUIRE_AMASK(BWX);
-        gen_store_mem(ctx, &tcg_gen_qemu_st8, ra, rb, disp16, 0, 0);
+        gen_store_int(ctx, ra, rb, disp16, MO_UB, 0);
         break;
     case 0x0F:
         /* STQ_U */
-        gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 1);
+        gen_store_int(ctx, ra, rb, disp16, MO_LEQ, 1);
         break;
 
     case 0x10:
@@ -2489,11 +2461,15 @@  static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn)
                 break;
             case 0x2:
                 /* Longword physical access with lock (hw_ldl_l/p) */
-                gen_qemu_ldl_l(va, addr, MMU_PHYS_IDX);
+                tcg_gen_qemu_ld_i64(va, addr, MMU_PHYS_IDX, MO_LESL);
+                tcg_gen_mov_i64(cpu_lock_addr, addr);
+                tcg_gen_mov_i64(cpu_lock_value, va);
                 break;
             case 0x3:
                 /* Quadword physical access with lock (hw_ldq_l/p) */
-                gen_qemu_ldq_l(va, addr, MMU_PHYS_IDX);
+                tcg_gen_qemu_ld_i64(va, addr, MMU_PHYS_IDX, MO_LEQ);
+                tcg_gen_mov_i64(cpu_lock_addr, addr);
+                tcg_gen_mov_i64(cpu_lock_value, va);
                 break;
             case 0x4:
                 /* Longword virtual PTE fetch (hw_ldl/v) */
@@ -2846,27 +2822,27 @@  static DisasJumpType translate_one(DisasContext *ctx, uint32_t insn)
         break;
     case 0x28:
         /* LDL */
-        gen_load_mem(ctx, &tcg_gen_qemu_ld32s, ra, rb, disp16, 0, 0);
+        gen_load_int(ctx, ra, rb, disp16, MO_LESL, 0, 0);
         break;
     case 0x29:
         /* LDQ */
-        gen_load_mem(ctx, &tcg_gen_qemu_ld64, ra, rb, disp16, 0, 0);
+        gen_load_int(ctx, ra, rb, disp16, MO_LEQ, 0, 0);
         break;
     case 0x2A:
         /* LDL_L */
-        gen_load_mem(ctx, &gen_qemu_ldl_l, ra, rb, disp16, 0, 0);
+        gen_load_int(ctx, ra, rb, disp16, MO_LESL, 0, 1);
         break;
     case 0x2B:
         /* LDQ_L */
-        gen_load_mem(ctx, &gen_qemu_ldq_l, ra, rb, disp16, 0, 0);
+        gen_load_int(ctx, ra, rb, disp16, MO_LEQ, 0, 1);
         break;
     case 0x2C:
         /* STL */
-        gen_store_mem(ctx, &tcg_gen_qemu_st32, ra, rb, disp16, 0, 0);
+        gen_store_int(ctx, ra, rb, disp16, MO_LEUL, 0);
         break;
     case 0x2D:
         /* STQ */
-        gen_store_mem(ctx, &tcg_gen_qemu_st64, ra, rb, disp16, 0, 0);
+        gen_store_int(ctx, ra, rb, disp16, MO_LEQ, 0);
         break;
     case 0x2E:
         /* STL_C */