Re: [PATCH t/test.pl t/op/stat.t lib/Net/hostent.t] Unbail out

[perl5.git] / pp.c

diff --git a/pp.c b/pp.c
index 3ab629e..2fd40da 100644 (file)
--- a/pp.c
+++ b/pp.c
@@ -815,10 +815,10 @@ PP(pp_undef)
 PP(pp_predec)
 {
     dSP;
-    if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
+    if (SvTYPE(TOPs) > SVt_PVLV)
        DIE(aTHX_ PL_no_modify);
-    if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
-       SvIVX(TOPs) != IV_MIN)
+    if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)
+        && SvIVX(TOPs) != IV_MIN)
     {
        --SvIVX(TOPs);
        SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
@@ -832,11 +832,11 @@ PP(pp_predec)
 PP(pp_postinc)
 {
     dSP; dTARGET;
-    if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
+    if (SvTYPE(TOPs) > SVt_PVLV)
        DIE(aTHX_ PL_no_modify);
     sv_setsv(TARG, TOPs);
-    if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
-       SvIVX(TOPs) != IV_MAX)
+    if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)
+        && SvIVX(TOPs) != IV_MAX)
     {
        ++SvIVX(TOPs);
        SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
@@ -853,11 +853,11 @@ PP(pp_postinc)
 PP(pp_postdec)
 {
     dSP; dTARGET;
-    if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
+    if (SvTYPE(TOPs) > SVt_PVLV)
        DIE(aTHX_ PL_no_modify);
     sv_setsv(TARG, TOPs);
-    if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
-       SvIVX(TOPs) != IV_MIN)
+    if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)
+        && SvIVX(TOPs) != IV_MIN)
     {
        --SvIVX(TOPs);
        SvFLAGS(TOPs) &= ~(SVp_NOK|SVp_POK);
@@ -2648,6 +2648,28 @@ PP(pp_sqrt)
     }
 }
 
+/*
+ * There are strange code-generation bugs caused on sparc64 by gcc-2.95.2.
+ * These need to be revisited when a newer toolchain becomes available.
+ */
+#if defined(__sparc64__) && defined(__GNUC__)
+#   if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
+#       undef  SPARC64_MODF_WORKAROUND
+#       define SPARC64_MODF_WORKAROUND 1
+#   endif
+#endif
+
+#if defined(SPARC64_MODF_WORKAROUND)
+static NV
+sparc64_workaround_modf(NV theVal, NV *theIntRes)
+{
+    NV res, ret;
+    ret = Perl_modf(theVal, &res);
+    *theIntRes = res;
+    return ret;
+}
+#endif
+
 PP(pp_int)
 {
     dSP; dTARGET; tryAMAGICun(int);
@@ -2671,21 +2693,25 @@ PP(pp_int)
              if (value < (NV)UV_MAX + 0.5) {
                  SETu(U_V(value));
              } else {
-#if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE)
-#   ifdef HAS_MODFL_POW32_BUG
+#if defined(SPARC64_MODF_WORKAROUND)
+               (void)sparc64_workaround_modf(value, &value);
+#else
+#   if defined(HAS_MODFL) || defined(LONG_DOUBLE_EQUALS_DOUBLE)
+#       ifdef HAS_MODFL_POW32_BUG
 /* some versions of glibc split (i + d) into (i-1, d+1) for 2^32 <= i < 2^64 */
                 { 
                     NV offset = Perl_modf(value, &value);
                     (void)Perl_modf(offset, &offset);
                     value += offset;
                 }
-#   else
+#       else
                  (void)Perl_modf(value, &value);
-#   endif
-#else
+#       endif
+#   else
                  double tmp = (double)value;
                  (void)Perl_modf(tmp, &tmp);
                  value = (NV)tmp;
+#   endif
 #endif
                  SETn(value);
              }