From: Stan Shebs <stanshebs@google.com>
Date: Wed, 26 Sep 2018 21:44:39 +0000 (-0700)
Subject: Work around mtfsb0 syntax limitation with clang
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=960ba7975cf05b2466ed793f6a1ee4bffb205b9d;p=thirdparty%2Fglibc.git

Work around mtfsb0 syntax limitation with clang
---

diff --git a/sysdeps/powerpc/powerpc64/fpu/s_nearbyint.S b/sysdeps/powerpc/powerpc64/fpu/s_nearbyint.S
index 7d89e78f880..27020c92ed9 100644
--- a/sysdeps/powerpc/powerpc64/fpu/s_nearbyint.S
+++ b/sysdeps/powerpc/powerpc64/fpu/s_nearbyint.S
@@ -42,7 +42,11 @@ ENTRY (__nearbyint, 4)
 	fcmpu	cr7,fp1,fp12	/* if (x > 0.0) */
 	ble	cr7, L(lessthanzero)
 	mffs	fp11
+#if defined __clang__
+	mtfsb0	31	/* Disable FE_INEXACT exception */
+#else
 	mtfsb0	4*cr7+lt	/* Disable FE_INEXACT exception */
+#endif
 	fadd	fp1,fp1,fp13	/* x+= TWO52 */
 	fsub	fp1,fp1,fp13	/* x-= TWO52 */
 	fabs	fp1,fp1		/* if (x == 0.0) */
@@ -51,7 +55,11 @@ ENTRY (__nearbyint, 4)
 L(lessthanzero):
 	bgelr	cr7		/* if (x < 0.0) */
 	mffs	fp11
+#if defined __clang__
+	mtfsb0	31
+#else
 	mtfsb0	4*cr7+lt
+#endif
 	fsub	fp1,fp1,fp13	/* x -= TWO52 */
 	fadd	fp1,fp1,fp13	/* x += TWO52 */
 	fnabs	fp1,fp1		/* if (x == 0.0) */
diff --git a/sysdeps/powerpc/powerpc64/fpu/s_nearbyintf.S b/sysdeps/powerpc/powerpc64/fpu/s_nearbyintf.S
index 4b62ba1e8d5..0522b1058b2 100644
--- a/sysdeps/powerpc/powerpc64/fpu/s_nearbyintf.S
+++ b/sysdeps/powerpc/powerpc64/fpu/s_nearbyintf.S
@@ -43,7 +43,11 @@ ENTRY (__nearbyintf, 4)
 	fcmpu	cr7,fp1,fp12	/* if (x > 0.0)  */
 	ble	cr7, L(lessthanzero)
 	mffs	fp11
+#if defined __clang__
+	mtfsb0	31	/* Disable FE_INEXACT exception */
+#else
 	mtfsb0	4*cr7+lt	/* Disable FE_INEXACT exception */
+#endif
 	fadds	fp1,fp1,fp13	/* x += TWO23 */
 	fsubs	fp1,fp1,fp13	/* x -= TWO23 */
 	fabs	fp1,fp1		/* if (x == 0.0) */
@@ -52,7 +56,11 @@ ENTRY (__nearbyintf, 4)
 L(lessthanzero):
 	bgelr	cr7		/* if (x < 0.0) */
 	mffs	fp11
+#if defined __clang__
+	mtfsb0	31	/* Disable FE_INEXACT exception */
+#else
 	mtfsb0	4*cr7+lt	/* Disable FE_INEXACT exception */
+#endif
 	fsubs	fp1,fp1,fp13	/* x -= TWO23 */
 	fadds	fp1,fp1,fp13	/* x += TWO23 */
 	fnabs	fp1,fp1		/* if (x == 0.0) */