gcc/

	Backport from trunk r249064.
	2017-06-09  Tamar Christina  <tamar.christina@arm.com>

	* config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.

	gcc/testsuite/
	Backport from trunk r249064.
	2017-06-09  Tamar Christina  <tamar.christina@arm.com>

	* gcc.target/aarch64/lrint-matherr.h: New.
	* gcc.target/aarch64/inline-lrint_1.c: New.
	* gcc.target/aarch64/inline-lrint_2.c: New.
	* gcc.target/aarch64/no-inline-lrint_1.c: New.
	* gcc.target/aarch64/no-inline-lrint_2.c: New.

	gcc/testsuite/
	Backport from trunk r249127.
	2017-06-12  Tamar Christina  <tamar.christina@arm.com>

	* gcc.target/aarch64/inline-lrint_1.c: Broaden regexp.
	* gcc.target/aarch64/inline-lrint_2.c: Likewise.
	* gcc.target/aarch64/no-inline-lrint_1.c: Likewise.
	* gcc.target/aarch64/no-inline-lrint_2.c: Likewise.

Change-Id: I5c26605abbf9a0e2e9c7e5d6969f289db7b03c52

6 files changed, 91 insertions, 0 deletions

diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
index 2e9331fd72b..1a721bfbe42 100644
--- a/gcc/config/aarch64/aarch64.md
+++ b/gcc/config/aarch64/aarch64.md
@@ -4940,6 +4940,18 @@
   [(set_attr "type" "f_minmax<stype>")]
 )
 
+(define_expand "lrint<GPF:mode><GPI:mode>2"
+  [(match_operand:GPI 0 "register_operand")
+   (match_operand:GPF 1 "register_operand")]
+  "TARGET_FLOAT"
+{
+  rtx cvt = gen_reg_rtx (<GPF:MODE>mode);
+  emit_insn (gen_rint<GPF:mode>2 (cvt, operands[1]));
+  emit_insn (gen_lbtrunc<GPF:mode><GPI:mode>2 (operands[0], cvt));
+  DONE;
+}
+)
+
 ;; For copysign (x, y), we want to generate:
 ;;
 ;;   LDR d2, #(1 << 63)
diff --git a/gcc/testsuite/gcc.target/aarch64/inline-lrint_1.c b/gcc/testsuite/gcc.target/aarch64/inline-lrint_1.c
new file mode 100644
index 00000000000..478875ff874
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/inline-lrint_1.c
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-O3 -fno-math-errno" } */
+
+#include "lrint-matherr.h"
+
+TEST (dld, double, long, )
+TEST (flf, float , long, )
+
+TEST (did, double, int, )
+TEST (fif, float , int, )
+
+TEST (dlld, double, long long, l)
+TEST (fllf, float , long long, l)
+
+/* { dg-final { scan-assembler-times "frintx\t\[d,s\]\[0-9\]+, \[d,s\]\[0-9\]+" 6 } } */
+/* { dg-final { scan-assembler-times "fcvtzs\tx\[0-9\]+, \[d,s\]\[0-9\]+" 6 } } */
+/* { dg-final { scan-assembler-not "bl"    } } */
diff --git a/gcc/testsuite/gcc.target/aarch64/inline-lrint_2.c b/gcc/testsuite/gcc.target/aarch64/inline-lrint_2.c
new file mode 100644
index 00000000000..6080e186d8f
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/inline-lrint_2.c
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target ilp32 } */
+/* { dg-options "-O3 -fno-math-errno" } */
+
+#include "lrint-matherr.h"
+
+TEST (dld, double, long, )
+TEST (flf, float , long, )
+
+TEST (did, double, int, )
+TEST (fif, float , int, )
+
+TEST (dlld, double, long long, l)
+TEST (fllf, float , long long, l)
+
+/* { dg-final { scan-assembler-times "frintx\t\[d,s\]\[0-9\]+, \[d,s\]\[0-9\]+" 6 } } */
+/* { dg-final { scan-assembler-times "fcvtzs\t\[w,x\]\[0-9\]+, \[d,s\]\[0-9\]+" 6 } } */
+/* { dg-final { scan-assembler-not "bl"    } } */
diff --git a/gcc/testsuite/gcc.target/aarch64/lrint-matherr.h b/gcc/testsuite/gcc.target/aarch64/lrint-matherr.h
new file mode 100644
index 00000000000..cc6e3d13f9b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/lrint-matherr.h
@@ -0,0 +1,5 @@
+#define TEST(name, float_type, int_type, pref) void f_##name (float_type x) \
+{									    \
+  volatile float_type a = __builtin_rint (x);				    \
+  volatile int_type   b = __builtin_l##pref##rint (x);			    \
+}
diff --git a/gcc/testsuite/gcc.target/aarch64/no-inline-lrint_1.c b/gcc/testsuite/gcc.target/aarch64/no-inline-lrint_1.c
new file mode 100644
index 00000000000..d5e9200562c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/no-inline-lrint_1.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-O3" } */
+
+#include "lrint-matherr.h"
+
+TEST (dld, double, long, )
+TEST (flf, float , long, )
+
+TEST (did, double, int, )
+TEST (fif, float , int, )
+
+TEST (dlld, double, long long, l)
+TEST (fllf, float , long long, l)
+
+/* { dg-final { scan-assembler-times "frintx\t\[d,s\]\[0-9\]+, \[d,s\]\[0-9\]+" 6 } } */
+/* { dg-final { scan-assembler-times "bl\tlrint"  4 } } */
+/* { dg-final { scan-assembler-times "bl\tllrint" 2 } } */
+/* { dg-final { scan-assembler-not "fcvtzs" } } */
diff --git a/gcc/testsuite/gcc.target/aarch64/no-inline-lrint_2.c b/gcc/testsuite/gcc.target/aarch64/no-inline-lrint_2.c
new file mode 100644
index 00000000000..05c0a2affa0
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/no-inline-lrint_2.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target ilp32 } */
+/* { dg-options "-O3" } */
+
+#include "lrint-matherr.h"
+
+TEST (dld, double, long, )
+TEST (flf, float , long, )
+
+TEST (did, double, int, )
+TEST (fif, float , int, )
+
+TEST (dlld, double, long long, l)
+TEST (fllf, float , long long, l)
+
+/* { dg-final { scan-assembler-times "frintx\t\[d,s\]\[0-9\]+, \[d,s\]\[0-9\]+" 6 } } */
+/* { dg-final { scan-assembler-times "bl\tlrint"  4 } } */
+/* { dg-final { scan-assembler-times "bl\tllrint" 2 } } */
+/* { dg-final { scan-assembler-not "fcvtzs" } } */