[PATCH 01/33] target/ppc: introduce do_ea_calc

[matheus . ferst]

From: pherde <phervalle@gmail.com>

The do_ea_calc function will calculate the effective address(EA)
according to PowerIsa 3.1. With that, it was replaced part of
do_ldst() that calculates the EA by this new function.

Signed-off-by: Fernando Eckhardt Valle (pherde) <phervalle@gmail.com>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
---
 target/ppc/translate.c                     | 12 ++++++++++++
 target/ppc/translate/fixedpoint-impl.c.inc |  9 +--------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/target/ppc/translate.c b/target/ppc/translate.c
index 62414adb75..bb8edd9d8f 100644
--- a/target/ppc/translate.c
+++ b/target/ppc/translate.c
@@ -3197,6 +3197,18 @@ static inline void gen_align_no_le(DisasContext *ctx)
                       (ctx->opcode & 0x03FF0000) | POWERPC_EXCP_ALIGN_LE);
 }
 
+static inline void do_ea_calc(DisasContext *ctx, int ra, TCGv displ, TCGv ea)
+{
+    if (ra) {
+        tcg_gen_add_tl(ea, cpu_gpr[ra], displ);
+    } else {
+        tcg_gen_mov_tl(ea, displ);
+    }
+    if (NARROW_MODE(ctx)) {
+        tcg_gen_ext32u_tl(ea, ea);
+    }
+}
+
 /***                             Integer load                              ***/
 #define DEF_MEMOP(op) ((op) | ctx->default_tcg_memop_mask)
 #define BSWAP_MEMOP(op) ((op) | (ctx->default_tcg_memop_mask ^ MO_BSWAP))
diff --git a/target/ppc/translate/fixedpoint-impl.c.inc 
b/target/ppc/translate/fixedpoint-impl.c.inc
index 2e2518ee15..53d8fbdcfe 100644
--- a/target/ppc/translate/fixedpoint-impl.c.inc
+++ b/target/ppc/translate/fixedpoint-impl.c.inc
@@ -52,14 +52,7 @@ static bool do_ldst(DisasContext *ctx, int rt, int ra, TCGv 
displ, bool update,
     gen_set_access_type(ctx, ACCESS_INT);
 
     ea = tcg_temp_new();
-    if (ra) {
-        tcg_gen_add_tl(ea, cpu_gpr[ra], displ);
-    } else {
-        tcg_gen_mov_tl(ea, displ);
-    }
-    if (NARROW_MODE(ctx)) {
-        tcg_gen_ext32u_tl(ea, ea);
-    }
+    do_ea_calc(ctx, ra, displ, ea);
     mop ^= ctx->default_tcg_memop_mask;
     if (store) {
         tcg_gen_qemu_st_tl(cpu_gpr[rt], ea, ctx->mem_idx, mop);
-- 
2.25.1