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authorRafael Tsuha <rafael.tsuha@usp.br>2019-10-04 18:34:29 +0000
committerJeff Law <law@gcc.gnu.org>2019-10-04 12:34:29 -0600
commit2066f7951cc4f0b23ddff5abfd2ad2ea4ee90fff (patch)
treeab2ca5ec91831479d810d5601ff37fedbae4dc55 /gcc
parent69b35f396ceb22e2e04b4228a6811291621808c1 (diff)
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match.pd (sinh (x) / cosh (x)): New simplification rule.
* match.pd (sinh (x) / cosh (x)): New simplification rule. * gcc.dg/sinhovercosh-1.c: New test. From-SVN: r276595
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/match.pd5
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gcc.dg/sinhovercosh-1.c45
4 files changed, 58 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a013d86..6da73b6 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2019-10-04 Rafael Tsuha <rafael.tsuha@usp.br>
+
+ * match.pd (sinh (x) / cosh (x)): New simplification rule.
+
2019-10-04 Martin Jambor <mjambor@suse.cz>
* tree-ssa-forwprop.c (simplify_builtin_call): Set gimple call
diff --git a/gcc/match.pd b/gcc/match.pd
index 23ce3768..9bd5f3e 100644
--- a/gcc/match.pd
+++ b/gcc/match.pd
@@ -4922,6 +4922,11 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
(rdiv (SIN:s @0) (COS:s @0))
(TAN @0))
+ /* Simplify sinh(x) / cosh(x) -> tanh(x). */
+ (simplify
+ (rdiv (SINH:s @0) (COSH:s @0))
+ (TANH @0))
+
/* Simplify cos(x) / sin(x) -> 1 / tan(x). */
(simplify
(rdiv (COS:s @0) (SIN:s @0))
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 68ca51e..4248c81 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2019-10-04 Rafael Tsuha <rafael.tsuha@usp.br>
+
+ * gcc.dg/sinhovercosh-1.c: New test.
+
2019-10-04 Joseph Myers <joseph@codesourcery.com>
* gcc.dg/c11-builtins-1.c, gcc.dg/c2x-builtins-1.c,
diff --git a/gcc/testsuite/gcc.dg/sinhovercosh-1.c b/gcc/testsuite/gcc.dg/sinhovercosh-1.c
new file mode 100644
index 0000000..7e51072
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/sinhovercosh-1.c
@@ -0,0 +1,45 @@
+/* { dg-do compile } */
+/* { dg-options "-Ofast -fdump-tree-optimized" } */
+
+extern float sinhf (float);
+extern float coshf (float);
+extern float tanhf (float);
+extern float sqrtf (float);
+extern double sinh (double);
+extern double cosh (double);
+extern double sqrt (double);
+extern double tanh (double);
+extern long double sinhl (long double);
+extern long double coshl (long double);
+extern long double tanhl (long double);
+extern long double sqrtl (long double);
+
+double __attribute__ ((noinline))
+sinhovercosh_ (double x)
+{
+ return sinh (x) / cosh (x);
+}
+
+float __attribute__ ((noinline))
+sinhfovercoshf_(float x)
+{
+ return sinhf (x) / coshf (x);
+}
+
+long double __attribute__ ((noinline))
+sinhlovercoshl_ (long double x)
+{
+ return sinhl (x) / coshl (x);
+}
+
+/* There must be no calls to sinh, cosh, or atanh */
+/* {dg-final { scan-tree-dump-not "sinh " "optimized" } } */
+/* {dg-final { scan-tree-dump-not "cosh " "optimized" } } */
+/* {dg-final { scan-tree-dump-not "sinfh " "optimized" } } */
+/* {dg-final { scan-tree-dump-not "cosfh " "optimized" } } */
+/* {dg-final { scan-tree-dump-not "sinlh " "optimized" } } */
+/* {dg-final { scan-tree-dump-not "coslh " "optimized" } } */
+/* {dg-final { scan-tree-dump-times "tanh " "1" "optimized" }} */
+/* {dg-final { scan-tree-dump-times "tanhl " "1" "optimized" }} */
+/* {dg-final { scan-tree-dump-times "tanhf " "1" "optimized" }} */
+