[PATCH v2 21/37] target/sparc: Implement LDXEFSR

[Richard Henderson <richard.henderson@linaro.org>]

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/sparc/helper.h     |  1 +
 target/sparc/insns.decode |  1 +
 target/sparc/fop_helper.c |  6 ++++++
 target/sparc/translate.c  | 11 +++++++++--
 4 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/target/sparc/helper.h b/target/sparc/helper.h
index 219f0e04c7..4ae97866af 100644
--- a/target/sparc/helper.h
+++ b/target/sparc/helper.h
@@ -40,6 +40,7 @@ DEF_HELPER_FLAGS_4(ld_asi, TCG_CALL_NO_WG, i64, env, tl, int, i32)
 DEF_HELPER_FLAGS_5(st_asi, TCG_CALL_NO_WG, void, env, tl, i64, int, i32)
 #endif
 DEF_HELPER_FLAGS_1(get_fsr, TCG_CALL_NO_WG_SE, tl, env)
+DEF_HELPER_FLAGS_2(set_fsr_nofcc, TCG_CALL_NO_RWG, void, env, i32)
 DEF_HELPER_FLAGS_2(set_fsr_nofcc_noftt, TCG_CALL_NO_RWG, void, env, i32)
 DEF_HELPER_FLAGS_2(fsqrts, TCG_CALL_NO_WG, f32, env, f32)
 DEF_HELPER_FLAGS_2(fsqrtd, TCG_CALL_NO_WG, f64, env, f64)
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index a5eefebfbc..fec055910e 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -589,6 +589,7 @@ STX         11 ..... 011110 ..... . .............          @r_r_i_asi # STXA
 LDF         11 ..... 100000 ..... . .............          @r_r_ri_na
 LDFSR       11 00000 100001 ..... . .............          @n_r_ri
 LDXFSR      11 00001 100001 ..... . .............          @n_r_ri
+LDXEFSR     11 00011 100001 ..... . .............          @n_r_ri
 LDQF        11 ..... 100010 ..... . .............          @q_r_ri_na
 LDDF        11 ..... 100011 ..... . .............          @d_r_ri_na
 
diff --git a/target/sparc/fop_helper.c b/target/sparc/fop_helper.c
index 1b524c6d3c..0b30665b51 100644
--- a/target/sparc/fop_helper.c
+++ b/target/sparc/fop_helper.c
@@ -602,3 +602,9 @@ void helper_set_fsr_nofcc_noftt(CPUSPARCState *env, uint32_t fsr)
     env->fsr_cexc_ftt |= fsr & FSR_CEXC_MASK;
     set_fsr_nonsplit(env, fsr);
 }
+
+void helper_set_fsr_nofcc(CPUSPARCState *env, uint32_t fsr)
+{
+    env->fsr_cexc_ftt = fsr & (FSR_CEXC_MASK | FSR_FTT_MASK);
+    set_fsr_nonsplit(env, fsr);
+}
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index ade9df3960..e3059f32bb 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -4458,7 +4458,7 @@ static bool trans_LDFSR(DisasContext *dc, arg_r_r_ri *a)
     return advance_pc(dc);
 }
 
-static bool trans_LDXFSR(DisasContext *dc, arg_r_r_ri *a)
+static bool do_ldxfsr(DisasContext *dc, arg_r_r_ri *a, bool entire)
 {
 #ifdef TARGET_SPARC64
     TCGv addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);
@@ -4483,13 +4483,20 @@ static bool trans_LDXFSR(DisasContext *dc, arg_r_r_ri *a)
     tcg_gen_extract_i32(cpu_fcc[2], hi, FSR_FCC2_SHIFT - 32, 2);
     tcg_gen_extract_i32(cpu_fcc[3], hi, FSR_FCC3_SHIFT - 32, 2);
 
-    gen_helper_set_fsr_nofcc_noftt(tcg_env, lo);
+    if (entire) {
+        gen_helper_set_fsr_nofcc(tcg_env, lo);
+    } else {
+        gen_helper_set_fsr_nofcc_noftt(tcg_env, lo);
+    }
     return advance_pc(dc);
 #else
     return false;
 #endif
 }
 
+TRANS(LDXFSR, 64, do_ldxfsr, a, false)
+TRANS(LDXEFSR, VIS3B, do_ldxfsr, a, true)
+
 static bool do_stfsr(DisasContext *dc, arg_r_r_ri *a, MemOp mop)
 {
     TCGv addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);
-- 
2.34.1