queue-4.4/parisc-fix-compiler-warnings-in-float-emulation-code.patch

   1 From 775c24b68bc41ba95cbb665ab7c5cf9ce53c8602 Mon Sep 17 00:00:00 2001
   2 From: Helge Deller <deller@gmx.de>
   3 Date: Fri, 24 May 2019 23:16:25 +0200
   4 Subject: parisc: Fix compiler warnings in float emulation code
   5 MIME-Version: 1.0
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   8
   9 [ Upstream commit 6b98d9134e14f5ef4bcf64b27eedf484ed19a1ec ]
  10
  11 Avoid such compiler warnings:
  12 arch/parisc/math-emu/cnv_float.h:71:27: warning: ‘<<’ in boolean context, did you mean ‘<’ ? [-Wint-in-bool-context]
  13      ((Dintp1(dint_valueA) << 33 - SGL_EXP_LENGTH) || Dintp2(dint_valueB))
  14 arch/parisc/math-emu/fcnvxf.c:257:6: note: in expansion of macro ‘Dint_isinexact_to_sgl’
  15   if (Dint_isinexact_to_sgl(srcp1,srcp2)) {
  16
  17 Signed-off-by: Helge Deller <deller@gmx.de>
  18 Signed-off-by: Sasha Levin <sashal@kernel.org>
  19 ---
  20  arch/parisc/math-emu/cnv_float.h | 8 ++++----
  21  1 file changed, 4 insertions(+), 4 deletions(-)
  22
  23 diff --git a/arch/parisc/math-emu/cnv_float.h b/arch/parisc/math-emu/cnv_float.h
  24 index 933423fa5144..b0db61188a61 100644
  25 --- a/arch/parisc/math-emu/cnv_float.h
  26 +++ b/arch/parisc/math-emu/cnv_float.h
  27 @@ -60,19 +60,19 @@
  28      ((exponent < (SGL_P - 1)) ?                                \
  29       (Sall(sgl_value) << (SGL_EXP_LENGTH + 1 + exponent)) : FALSE)
  30
  31 -#define Int_isinexact_to_sgl(int_value)        (int_value << 33 - SGL_EXP_LENGTH)
  32 +#define Int_isinexact_to_sgl(int_value)        ((int_value << 33 - SGL_EXP_LENGTH) != 0)
  33
  34  #define Sgl_roundnearest_from_int(int_value,sgl_value)                 \
  35      if (int_value & 1<<(SGL_EXP_LENGTH - 2))   /* round bit */         \
  36 -       if ((int_value << 34 - SGL_EXP_LENGTH) || Slow(sgl_value))      \
  37 +       if (((int_value << 34 - SGL_EXP_LENGTH) != 0) || Slow(sgl_value)) \
  38                 Sall(sgl_value)++
  39
  40  #define Dint_isinexact_to_sgl(dint_valueA,dint_valueB)         \
  41 -    ((Dintp1(dint_valueA) << 33 - SGL_EXP_LENGTH) || Dintp2(dint_valueB))
  42 +    (((Dintp1(dint_valueA) << 33 - SGL_EXP_LENGTH) != 0) || Dintp2(dint_valueB))
  43
  44  #define Sgl_roundnearest_from_dint(dint_valueA,dint_valueB,sgl_value)  \
  45      if (Dintp1(dint_valueA) & 1<<(SGL_EXP_LENGTH - 2))                         \
  46 -       if ((Dintp1(dint_valueA) << 34 - SGL_EXP_LENGTH) ||             \
  47 +       if (((Dintp1(dint_valueA) << 34 - SGL_EXP_LENGTH) != 0) ||      \
  48         Dintp2(dint_valueB) || Slow(sgl_value)) Sall(sgl_value)++
  49
  50  #define Dint_isinexact_to_dbl(dint_value)      \
  51 --
  52 2.20.1
  53