Patchwork [4/8] sparc64: fix ldxfsr insn

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Submitter Igor V. Kovalenko
Date June 1, 2010, 8:12 p.m.
Message ID <20100601201237.5908.3446.stgit@skyserv>
Download mbox | patch
Permalink /patch/54294/
State New
Headers show

Comments

Igor V. Kovalenko - June 1, 2010, 8:12 p.m.
From: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>

- rearrange code to break from switch when appropriate
- allow deprecated ldfsr insn

Signed-off-by: Igor V. Kovalenko <igor.v.kovalenko@gmail.com>
---
 target-sparc/translate.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

Patch

diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index eff64d4..0bc1a82 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -4476,7 +4476,11 @@  static void disas_sparc_insn(DisasContext * dc)
                     if (rd == 1) {
                         tcg_gen_qemu_ld64(cpu_tmp64, cpu_addr, dc->mem_idx);
                         gen_helper_ldxfsr(cpu_tmp64);
-                    } else
+                    } else {
+                        tcg_gen_qemu_ld32u(cpu_tmp0, cpu_addr, dc->mem_idx);
+                        tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0);
+                        gen_helper_ldfsr(cpu_tmp32);
+                    }
 #else
                     {
                         tcg_gen_qemu_ld32u(cpu_tmp32, cpu_addr, dc->mem_idx);