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| author | Martin Sebor <msebor@redhat.com> | 2017-01-27 02:45:32 +0000 |
|---|---|---|
| committer | Martin Sebor <msebor@gcc.gnu.org> | 2017-01-26 19:45:32 -0700 |
| commit | 0fb9ec83c38887a5b1da7376873506ae59b2c60e (patch) | |
| tree | a9b1d8c981798fe12d8087eaba24062985520177 | |
| parent | c1c3f4f25d15ab546e8a3f95adb4eb70f15d47bc (diff) | |
| download | gcc-0fb9ec83c38887a5b1da7376873506ae59b2c60e.zip gcc-0fb9ec83c38887a5b1da7376873506ae59b2c60e.tar.gz gcc-0fb9ec83c38887a5b1da7376873506ae59b2c60e.tar.bz2 | |
gimple-ssa-sprintf.c (format_floating): Simplify the computation of precision to avoid preprocessor conditional.
gcc/ChangeLog:
* gimple-ssa-sprintf.c (format_floating): Simplify the computation
of precision to avoid preprocessor conditional.
From-SVN: r244961
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/gimple-ssa-sprintf.c | 18 |
2 files changed, 9 insertions, 14 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ac9a89f..c625d7b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2017-01-26 Martin Sebor <msebor@redhat.com> + * gimple-ssa-sprintf.c (format_floating): Simplify the computation + of precision. + +2017-01-26 Martin Sebor <msebor@redhat.com> + * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and HAVE_DFmode before using XFmode or DFmode. (parse_directive): Avoid using the z length modifier to avoid diff --git a/gcc/gimple-ssa-sprintf.c b/gcc/gimple-ssa-sprintf.c index 65144ac..bd15a39 100644 --- a/gcc/gimple-ssa-sprintf.c +++ b/gcc/gimple-ssa-sprintf.c @@ -1686,20 +1686,10 @@ format_floating (const directive &dir, tree arg) prec[0] = -1; if (prec[1] < 0) { -#ifdef HAVE_XFmode - /* When L is specified use long double, otherwise double. */ - unsigned fmtprec - = (dir.modifier == FMT_LEN_L - ? REAL_MODE_FORMAT (XFmode)->p - : REAL_MODE_FORMAT (DFmode)->p); -#elif defined HAVE_DFmode - /* No long double support, use double precision for both. */ - unsigned fmtprec = REAL_MODE_FORMAT (DFmode)->p; -#else - /* No long double or double support. */ - unsigned fmtprec = 0; -#endif - /* The precision of the IEEE 754 double format is 53. + unsigned fmtprec + = REAL_MODE_FORMAT (TYPE_MODE (TREE_TYPE (arg)))->p; + + /* The precision of the IEEE 754 double format is 53. The precision of all other GCC binary double formats is 56 or less. */ prec[1] = fmtprec <= 56 ? 13 : 15; |