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-rw-r--r--ChangeLog23
-rw-r--r--sysdeps/aarch64/fpu/s_llrint.c1
-rw-r--r--sysdeps/aarch64/fpu/s_llrintf.c3
-rw-r--r--sysdeps/aarch64/fpu/s_llround.c1
-rw-r--r--sysdeps/aarch64/fpu/s_llroundf.c3
-rw-r--r--sysdeps/aarch64/fpu/s_lrint.c60
-rw-r--r--sysdeps/aarch64/fpu/s_lrintf.c2
-rw-r--r--sysdeps/aarch64/fpu/s_lround.c27
-rw-r--r--sysdeps/aarch64/fpu/s_lroundf.c2
9 files changed, 110 insertions, 12 deletions
diff --git a/ChangeLog b/ChangeLog
index a934c69393..4841dca473 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,26 @@
+2017-08-31 Steve Ellcey <sellcey@cavium.com>
+ Richard Henderson <rth@twiddle.net>
+
+ * sysdeps/aarch64/fpu/s_llrint.c (OREG_SIZE): New macro.
+ * sysdeps/aarch64/fpu/s_llround.c (OREG_SIZE): Likewise.
+ * sysdeps/aarch64/fpu/s_llrintf.c (OREGS, IREGS): Remove.
+ (IREG_SIZE, OREG_SIZE): New macros.
+ * sysdeps/aarch64/fpu/s_llroundf.c: (OREGS, IREGS): Remove.
+ (IREG_SIZE, OREG_SIZE): New macros.
+ * sysdeps/aarch64/fpu/s_lrintf.c (IREGS): Remove.
+ (IREG_SIZE): New macro.
+ * sysdeps/aarch64/fpu/s_lroundf.c (IREGS): Remove.
+ (IREG_SIZE): New macro.
+ * sysdeps/aarch64/fpu/s_lrint.c (get-rounding-mode.h, stdint.h):
+ New includes.
+ (IREG_SIZE, OREG_SIZE): Initialize if not already set.
+ (OREGS, IREGS): Set based on IREG_SIZE and OREG_SIZE.
+ (__CONCATX): Handle exceptions correctly on large values that may
+ set FE_INVALID.
+ * sysdeps/aarch64/fpu/s_lround.c (IREG_SIZE, OREG_SIZE):
+ Initialize if not already set.
+ (OREGS, IREGS): Set based on IREG_SIZE and OREG_SIZE.
+
2017-08-31 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/generic/not-cancel.h (NO_CANCELLATION): Remove macro.
diff --git a/sysdeps/aarch64/fpu/s_llrint.c b/sysdeps/aarch64/fpu/s_llrint.c
index c0d0d0e879..57821c02f8 100644
--- a/sysdeps/aarch64/fpu/s_llrint.c
+++ b/sysdeps/aarch64/fpu/s_llrint.c
@@ -18,4 +18,5 @@
#define FUNC llrint
#define OTYPE long long int
+#define OREG_SIZE 64
#include <s_lrint.c>
diff --git a/sysdeps/aarch64/fpu/s_llrintf.c b/sysdeps/aarch64/fpu/s_llrintf.c
index 67724c6d47..98ed4f864e 100644
--- a/sysdeps/aarch64/fpu/s_llrintf.c
+++ b/sysdeps/aarch64/fpu/s_llrintf.c
@@ -18,6 +18,7 @@
#define FUNC llrintf
#define ITYPE float
-#define IREGS "s"
+#define IREG_SIZE 32
#define OTYPE long long int
+#define OREG_SIZE 64
#include <s_lrint.c>
diff --git a/sysdeps/aarch64/fpu/s_llround.c b/sysdeps/aarch64/fpu/s_llround.c
index ed4b192d5c..ef7aedf36b 100644
--- a/sysdeps/aarch64/fpu/s_llround.c
+++ b/sysdeps/aarch64/fpu/s_llround.c
@@ -18,4 +18,5 @@
#define FUNC llround
#define OTYPE long long int
+#define OREG_SIZE 64
#include <s_lround.c>
diff --git a/sysdeps/aarch64/fpu/s_llroundf.c b/sysdeps/aarch64/fpu/s_llroundf.c
index 360ce8b4c5..294f0f4761 100644
--- a/sysdeps/aarch64/fpu/s_llroundf.c
+++ b/sysdeps/aarch64/fpu/s_llroundf.c
@@ -18,6 +18,7 @@
#define FUNC llroundf
#define ITYPE float
-#define IREGS "s"
+#define IREG_SIZE 32
#define OTYPE long long int
+#define OREG_SIZE 64
#include <s_lround.c>
diff --git a/sysdeps/aarch64/fpu/s_lrint.c b/sysdeps/aarch64/fpu/s_lrint.c
index 8c61a039bf..6ef64e22bf 100644
--- a/sysdeps/aarch64/fpu/s_lrint.c
+++ b/sysdeps/aarch64/fpu/s_lrint.c
@@ -17,6 +17,8 @@
<http://www.gnu.org/licenses/>. */
#include <math.h>
+#include <get-rounding-mode.h>
+#include <stdint.h>
#ifndef FUNC
# define FUNC lrint
@@ -24,18 +26,37 @@
#ifndef ITYPE
# define ITYPE double
-# define IREGS "d"
+# define IREG_SIZE 64
#else
-# ifndef IREGS
-# error IREGS not defined
+# ifndef IREG_SIZE
+# error IREG_SIZE not defined
# endif
#endif
#ifndef OTYPE
# define OTYPE long int
+# ifdef __ILP32__
+# define OREG_SIZE 32
+# else
+# define OREG_SIZE 64
+# endif
+#else
+# ifndef OREG_SIZE
+# error OREG_SIZE not defined
+# endif
#endif
-#define OREGS "x"
+#if IREG_SIZE == 32
+# define IREGS "s"
+#else
+# define IREGS "d"
+#endif
+
+#if OREG_SIZE == 32
+# define OREGS "w"
+#else
+# define OREGS "x"
+#endif
#define __CONCATX(a,b) __CONCAT(a,b)
@@ -44,6 +65,37 @@ __CONCATX(__,FUNC) (ITYPE x)
{
OTYPE result;
ITYPE temp;
+
+#if IREG_SIZE == 64 && OREG_SIZE == 32
+ if (__builtin_fabs (x) > INT32_MAX)
+ {
+ /* Converting large values to a 32 bit int may cause the frintx/fcvtza
+ sequence to set both FE_INVALID and FE_INEXACT. To avoid this
+ check the rounding mode and do a single instruction with the
+ appropriate rounding mode. */
+
+ switch (get_rounding_mode ())
+ {
+ case FE_TONEAREST:
+ asm volatile ("fcvtns" "\t%" OREGS "0, %" IREGS "1"
+ : "=r" (result) : "w" (x));
+ break;
+ case FE_UPWARD:
+ asm volatile ("fcvtps" "\t%" OREGS "0, %" IREGS "1"
+ : "=r" (result) : "w" (x));
+ break;
+ case FE_DOWNWARD:
+ asm volatile ("fcvtms" "\t%" OREGS "0, %" IREGS "1"
+ : "=r" (result) : "w" (x));
+ break;
+ case FE_TOWARDZERO:
+ default:
+ asm volatile ("fcvtzs" "\t%" OREGS "0, %" IREGS "1"
+ : "=r" (result) : "w" (x));
+ }
+ return result;
+ }
+#endif
asm ( "frintx" "\t%" IREGS "1, %" IREGS "2\n\t"
"fcvtzs" "\t%" OREGS "0, %" IREGS "1"
: "=r" (result), "=w" (temp) : "w" (x) );
diff --git a/sysdeps/aarch64/fpu/s_lrintf.c b/sysdeps/aarch64/fpu/s_lrintf.c
index a995e4b96f..2e73271497 100644
--- a/sysdeps/aarch64/fpu/s_lrintf.c
+++ b/sysdeps/aarch64/fpu/s_lrintf.c
@@ -18,5 +18,5 @@
#define FUNC lrintf
#define ITYPE float
-#define IREGS "s"
+#define IREG_SIZE 32
#include <s_lrint.c>
diff --git a/sysdeps/aarch64/fpu/s_lround.c b/sysdeps/aarch64/fpu/s_lround.c
index 9be9e7fb0f..1f77d82e33 100644
--- a/sysdeps/aarch64/fpu/s_lround.c
+++ b/sysdeps/aarch64/fpu/s_lround.c
@@ -24,18 +24,37 @@
#ifndef ITYPE
# define ITYPE double
-# define IREGS "d"
+# define IREG_SIZE 64
#else
-# ifndef IREGS
-# error IREGS not defined
+# ifndef IREG_SIZE
+# error IREG_SIZE not defined
# endif
#endif
#ifndef OTYPE
# define OTYPE long int
+# ifdef __ILP32__
+# define OREG_SIZE 32
+# else
+# define OREG_SIZE 64
+# endif
+#else
+# ifndef OREG_SIZE
+# error OREG_SIZE not defined
+# endif
+#endif
+
+#if IREG_SIZE == 32
+# define IREGS "s"
+#else
+# define IREGS "d"
#endif
-#define OREGS "x"
+#if OREG_SIZE == 32
+# define OREGS "w"
+#else
+# define OREGS "x"
+#endif
#define __CONCATX(a,b) __CONCAT(a,b)
diff --git a/sysdeps/aarch64/fpu/s_lroundf.c b/sysdeps/aarch64/fpu/s_lroundf.c
index 4a066d4816..b30ddb6dbb 100644
--- a/sysdeps/aarch64/fpu/s_lroundf.c
+++ b/sysdeps/aarch64/fpu/s_lroundf.c
@@ -18,5 +18,5 @@
#define FUNC lroundf
#define ITYPE float
-#define IREGS "s"
+#define IREG_SIZE 32
#include <s_lround.c>