Hi Aleksandar,

On 10/7/20 10:37 PM, Aleksandar Markovic wrote:
This change causes slighlty better performance of emulation of fp
comparison instructions via better compiler optimization of refactored
code. The functionality is otherwise unchanged.

Signed-off-by: Aleksandar Markovic <aleksandar.qemu.de...@gmail.com>
---
  target/mips/fpu_helper.c | 56 +++++++++++++++++++++++++++---------------------
  1 file changed, 32 insertions(+), 24 deletions(-)

[...]

  /*
@@ -2080,12 +2088,12 @@ uint64_t helper_r6_cmp_d_ ## op(CPUMIPSState *env, 
uint64_t fdt0,   \
  {                                                                   \
      uint64_t c;                                                     \
      c = cond;                                                       \
-    update_fcr31(env, GETPC());                                     \
      if (c) {                                                        \
          return -1;                                                  \
      } else {                                                        \
          return 0;                                                   \
      }                                                               \
+    update_fcr31(env, GETPC());                                     \

Isn't it now never called (dead code)?

  }
/*
@@ -2175,12 +2183,12 @@ uint32_t helper_r6_cmp_s_ ## op(CPUMIPSState *env, 
uint32_t fst0,   \
  {                                                                   \
      uint64_t c;                                                     \
      c = cond;                                                       \
-    update_fcr31(env, GETPC());                                     \
      if (c) {                                                        \
          return -1;                                                  \
      } else {                                                        \
          return 0;                                                   \
      }                                                               \
+    update_fcr31(env, GETPC());                                     \

Ditto.

  }
/*


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