i386.c (ix86_emit_i387_log1p): Emit fldln2 earlier.

	* config/i386/i386.c (ix86_emit_i387_log1p): Emit fldln2 earlier.

From-SVN: r264373

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 26d7be6584f2352a2c6f73a64277b5aa7b7eceae..626c69d8f9407cfe05df403f9454e5720b79f63c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2018-09-17  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.c (ix86_emit_i387_log1p): Emit fldln2 earlier.
+
 2018-09-17  David Malcolm  <dmalcolm@redhat.com>
 
        * gimple-ssa-sprintf.c (fmtwarn): Update for introduction of

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 96759de49bc184ca922a2735ae6fc396cb348e94..0c86303b9fabc847c87755e2605e0cf36d3a3806 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -43941,20 +43941,20 @@ void ix86_emit_i387_log1p (rtx op0, rtx op1)
   rtx test;
 
   emit_insn (gen_absxf2 (tmp, op1));
+  emit_move_insn (tmp2, standard_80387_constant_rtx (4)); /* fldln2 */
   test = gen_rtx_GE (VOIDmode, tmp,
     const_double_from_real_value (
        REAL_VALUE_ATOF ("0.29289321881345247561810596348408353", XFmode),
        XFmode));
-  emit_jump_insn (gen_cbranchxf4 (test, XEXP (test, 0), XEXP (test, 1), label1));
+  emit_jump_insn
+    (gen_cbranchxf4 (test, XEXP (test, 0), XEXP (test, 1), label1));
 
-  emit_move_insn (tmp2, standard_80387_constant_rtx (4)); /* fldln2 */
   emit_insn (gen_fyl2xp1xf3_i387 (op0, op1, tmp2));
   emit_jump (label2);
 
   emit_label (label1);
   emit_move_insn (tmp, CONST1_RTX (XFmode));
   emit_insn (gen_addxf3 (tmp, op1, tmp));
-  emit_move_insn (tmp2, standard_80387_constant_rtx (4)); /* fldln2 */
   emit_insn (gen_fyl2xxf3_i387 (op0, tmp, tmp2));
 
   emit_label (label2);