[Qemu-devel] [PATCH 7/8] target/ppc: optimize various functions using extract op

[Philippe Mathieu-Daudé]

Applied using Coccinelle script.

Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
 target/ppc/translate.c              |  9 +++------
 target/ppc/translate/vsx-impl.inc.c | 21 +++++++--------------
 2 files changed, 10 insertions(+), 20 deletions(-)

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index f40b5a1abf..64ab412bf3 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -868,8 +868,7 @@ static inline void gen_op_arith_add(DisasContext *ctx, TCGv 
ret, TCGv arg1,
             }
             tcg_gen_xor_tl(cpu_ca, t0, t1);        /* bits changed w/ carry */
             tcg_temp_free(t1);
-            tcg_gen_shri_tl(cpu_ca, cpu_ca, 32);   /* extract bit 32 */
-            tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
+            tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
             if (is_isa300(ctx)) {
                 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
             }
@@ -1399,8 +1398,7 @@ static inline void gen_op_arith_subf(DisasContext *ctx, 
TCGv ret, TCGv arg1,
             tcg_temp_free(inv1);
             tcg_gen_xor_tl(cpu_ca, t0, t1);         /* bits changes w/ carry */
             tcg_temp_free(t1);
-            tcg_gen_shri_tl(cpu_ca, cpu_ca, 32);    /* extract bit 32 */
-            tcg_gen_andi_tl(cpu_ca, cpu_ca, 1);
+            tcg_gen_extract_tl(cpu_ca, cpu_ca, 32, 1);
             if (is_isa300(ctx)) {
                 tcg_gen_mov_tl(cpu_ca32, cpu_ca);
             }
@@ -5383,8 +5381,7 @@ static void gen_mfsri(DisasContext *ctx)
     CHK_SV;
     t0 = tcg_temp_new();
     gen_addr_reg_index(ctx, t0);
-    tcg_gen_shri_tl(t0, t0, 28);
-    tcg_gen_andi_tl(t0, t0, 0xF);
+    tcg_gen_extract_tl(t0, t0, 28, 0xF);
     gen_helper_load_sr(cpu_gpr[rd], cpu_env, t0);
     tcg_temp_free(t0);
     if (ra != 0 && ra != rd)
diff --git a/target/ppc/translate/vsx-impl.inc.c 
b/target/ppc/translate/vsx-impl.inc.c
index 7f12908029..354a6b113a 100644
--- a/target/ppc/translate/vsx-impl.inc.c
+++ b/target/ppc/translate/vsx-impl.inc.c
@@ -1262,8 +1262,7 @@ static void gen_xsxexpqp(DisasContext *ctx)
         gen_exception(ctx, POWERPC_EXCP_VSXU);
         return;
     }
-    tcg_gen_shri_i64(xth, xbh, 48);
-    tcg_gen_andi_i64(xth, xth, 0x7FFF);
+    tcg_gen_extract_i64(xth, xbh, 48, 0x7FFF);
     tcg_gen_movi_i64(xtl, 0);
 }
 
@@ -1431,10 +1430,8 @@ static void gen_xvxexpsp(DisasContext *ctx)
         gen_exception(ctx, POWERPC_EXCP_VSXU);
         return;
     }
-    tcg_gen_shri_i64(xth, xbh, 23);
-    tcg_gen_andi_i64(xth, xth, 0xFF000000FF);
-    tcg_gen_shri_i64(xtl, xbl, 23);
-    tcg_gen_andi_i64(xtl, xtl, 0xFF000000FF);
+    tcg_gen_extract_i64(xth, xbh, 23, 0xFF000000FF);
+    tcg_gen_extract_i64(xtl, xbl, 23, 0xFF000000FF);
 }
 
 static void gen_xvxexpdp(DisasContext *ctx)
@@ -1448,10 +1445,8 @@ static void gen_xvxexpdp(DisasContext *ctx)
         gen_exception(ctx, POWERPC_EXCP_VSXU);
         return;
     }
-    tcg_gen_shri_i64(xth, xbh, 52);
-    tcg_gen_andi_i64(xth, xth, 0x7FF);
-    tcg_gen_shri_i64(xtl, xbl, 52);
-    tcg_gen_andi_i64(xtl, xtl, 0x7FF);
+    tcg_gen_extract_i64(xth, xbh, 52, 0x7FF);
+    tcg_gen_extract_i64(xtl, xbl, 52, 0x7FF);
 }
 
 GEN_VSX_HELPER_2(xvxsigsp, 0x00, 0x04, 0, PPC2_ISA300)
@@ -1474,16 +1469,14 @@ static void gen_xvxsigdp(DisasContext *ctx)
     zr = tcg_const_i64(0);
     nan = tcg_const_i64(2047);
 
-    tcg_gen_shri_i64(exp, xbh, 52);
-    tcg_gen_andi_i64(exp, exp, 0x7FF);
+    tcg_gen_extract_i64(exp, xbh, 52, 0x7FF);
     tcg_gen_movi_i64(t0, 0x0010000000000000);
     tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0);
     tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0);
     tcg_gen_andi_i64(xth, xbh, 0x000FFFFFFFFFFFFF);
     tcg_gen_or_i64(xth, xth, t0);
 
-    tcg_gen_shri_i64(exp, xbl, 52);
-    tcg_gen_andi_i64(exp, exp, 0x7FF);
+    tcg_gen_extract_i64(exp, xbl, 52, 0x7FF);
     tcg_gen_movi_i64(t0, 0x0010000000000000);
     tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0);
     tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0);
-- 
2.11.0