PowerPC: fix hypot/hypotf check for -INF

diff --git a/ChangeLog b/ChangeLog
index 0533218c3d4b203014cd8e3a800e31a77fec1bea..78d48048855689765ee2d0463d892558931c8412 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-05-17  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>
+
+       * sysdeps/powerpc/fpu/e_hypot.c (GET_TWO_FLOAT_WORD): Fix test for
+       negative infinity on POWER6 or lower.
+       * sysdeps/powerpc/fpu/e_hypotf.c (GET_TWO_FLOAT_WORD): Likewise.
+
 2013-05-16  Maciej W. Rozycki  <macro@codesourcery.com>
 
        [BZ #15442]

diff --git a/sysdeps/powerpc/fpu/e_hypot.c b/sysdeps/powerpc/fpu/e_hypot.c
index 53419337ffbbc7c688111ce8829c38c51d0243f6..8cf5b02d92bb5391ce3d5805c28a1ea860430fb1 100644 (file)
--- a/sysdeps/powerpc/fpu/e_hypot.c
+++ b/sysdeps/powerpc/fpu/e_hypot.c
@@ -54,13 +54,13 @@ static const double pdnum   = 2.225073858507201e-308;
    ieee_double_shape_type gh_u2;                                  \
    gh_u1.value = (d1);                                            \
    gh_u2.value = (d2);                                            \
-   (i1) = gh_u1.parts.msw;                                        \
-   (i2) = gh_u2.parts.msw;                                        \
+   (i1) = gh_u1.parts.msw & 0x7fffffff;                           \
+   (i2) = gh_u2.parts.msw & 0x7fffffff;                           \
  } while (0)
 
 # define TEST_INF_NAN(x, y)                                      \
  do {                                                            \
-   int32_t hx, hy;                                               \
+   uint32_t hx, hy;                                              \
    GET_TW0_HIGH_WORD(x, y, hx, hy);                              \
    if (hy > hx) {                                                \
      uint32_t ht = hx; hx = hy; hy = ht;                         \

diff --git a/sysdeps/powerpc/fpu/e_hypotf.c b/sysdeps/powerpc/fpu/e_hypotf.c
index 3ccd3853169d15a3bddaebfade26595f9e1ebad7..5fc91ee4c6d33984293db3cd2fa6010e35d4fb42 100644 (file)
--- a/sysdeps/powerpc/fpu/e_hypotf.c
+++ b/sysdeps/powerpc/fpu/e_hypotf.c
@@ -46,13 +46,13 @@ static const float two30  = 1.0737418e09;
    ieee_float_shape_type gf_u2;                                  \
    gf_u1.value = (f1);                                           \
    gf_u2.value = (f2);                                           \
-   (i1) = gf_u1.word;                                            \
-   (i2) = gf_u2.word;                                            \
+   (i1) = gf_u1.word & 0x7fffffff;                               \
+   (i2) = gf_u2.word & 0x7fffffff;                               \
  } while (0)
 
 # define TEST_INF_NAN(x, y)                                      \
  do {                                                            \
-   int32_t hx, hy;                                               \
+   uint32_t hx, hy;                                              \
    GET_TWO_FLOAT_WORD(x, y, hx, hy);                             \
    if (hy > hx) {                                                \
      uint32_t ht = hx; hx = hy; hy = ht;                         \