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-rw-r--r--ChangeLog7
-rw-r--r--sysdeps/powerpc/fpu/s_fmax.S37
-rw-r--r--sysdeps/powerpc/fpu/s_fmin.S37
3 files changed, 79 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index c08b711d7a..cf798fb84f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2016-12-15 Joseph Myers <joseph@codesourcery.com>
+
+ [BZ #20947]
+ * sysdeps/powerpc/fpu/s_fmax.S (__fmax): Add the arguments when
+ either is a signaling NaN.
+ * sysdeps/powerpc/fpu/s_fmin.S (__fmin): Likewise.
+
2016-12-14 Joseph Myers <joseph@codesourcery.com>
[BZ #20947]
diff --git a/sysdeps/powerpc/fpu/s_fmax.S b/sysdeps/powerpc/fpu/s_fmax.S
index 75ee74c316..e6405c02dd 100644
--- a/sysdeps/powerpc/fpu/s_fmax.S
+++ b/sysdeps/powerpc/fpu/s_fmax.S
@@ -25,7 +25,42 @@ ENTRY(__fmax)
bnulr+ cr0
/* x and y are unordered, so one of x or y must be a NaN... */
fcmpu cr1,fp2,fp2
- bunlr cr1
+ bun cr1,1f
+/* x is a NaN; y is not. Test if x is signaling. */
+#ifdef __powerpc64__
+ stfd fp1,-8(r1)
+ lwz r3,-8+HIWORD(r1)
+#else
+ stwu r1,-16(r1)
+ cfi_adjust_cfa_offset (16)
+ stfd fp1,8(r1)
+ lwz r3,8+HIWORD(r1)
+ addi r1,r1,16
+ cfi_adjust_cfa_offset (-16)
+#endif
+ andis. r3,r3,8
+ bne cr0,0f
+ b 2f
+1: /* y is a NaN; x may or may not be. */
+ fcmpu cr1,fp1,fp1
+ bun cr1,2f
+/* y is a NaN; x is not. Test if y is signaling. */
+#ifdef __powerpc64__
+ stfd fp2,-8(r1)
+ lwz r3,-8+HIWORD(r1)
+#else
+ stwu r1,-16(r1)
+ cfi_adjust_cfa_offset (16)
+ stfd fp2,8(r1)
+ lwz r3,8+HIWORD(r1)
+ addi r1,r1,16
+ cfi_adjust_cfa_offset (-16)
+#endif
+ andis. r3,r3,8
+ bnelr cr0
+2: /* x and y are NaNs, or one is a signaling NaN. */
+ fadd fp1,fp1,fp2
+ blr
0: fmr fp1,fp2
blr
END(__fmax)
diff --git a/sysdeps/powerpc/fpu/s_fmin.S b/sysdeps/powerpc/fpu/s_fmin.S
index 4d7c3b4fbc..9ae77feb36 100644
--- a/sysdeps/powerpc/fpu/s_fmin.S
+++ b/sysdeps/powerpc/fpu/s_fmin.S
@@ -25,7 +25,42 @@ ENTRY(__fmin)
bnulr+ cr0
/* x and y are unordered, so one of x or y must be a NaN... */
fcmpu cr1,fp2,fp2
- bunlr cr1
+ bun cr1,1f
+/* x is a NaN; y is not. Test if x is signaling. */
+#ifdef __powerpc64__
+ stfd fp1,-8(r1)
+ lwz r3,-8+HIWORD(r1)
+#else
+ stwu r1,-16(r1)
+ cfi_adjust_cfa_offset (16)
+ stfd fp1,8(r1)
+ lwz r3,8+HIWORD(r1)
+ addi r1,r1,16
+ cfi_adjust_cfa_offset (-16)
+#endif
+ andis. r3,r3,8
+ bne cr0,0f
+ b 2f
+1: /* y is a NaN; x may or may not be. */
+ fcmpu cr1,fp1,fp1
+ bun cr1,2f
+/* y is a NaN; x is not. Test if y is signaling. */
+#ifdef __powerpc64__
+ stfd fp2,-8(r1)
+ lwz r3,-8+HIWORD(r1)
+#else
+ stwu r1,-16(r1)
+ cfi_adjust_cfa_offset (16)
+ stfd fp2,8(r1)
+ lwz r3,8+HIWORD(r1)
+ addi r1,r1,16
+ cfi_adjust_cfa_offset (-16)
+#endif
+ andis. r3,r3,8
+ bnelr cr0
+2: /* x and y are NaNs, or one is a signaling NaN. */
+ fadd fp1,fp1,fp2
+ blr
0: fmr fp1,fp2
blr
END(__fmin)