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-rw-r--r--src/math/x32/exp2l.s13
-rw-r--r--src/math/x32/fmodl.s4
-rw-r--r--src/math/x32/remainderl.s4
-rw-r--r--src/math/x86_64/exp2l.s13
-rw-r--r--src/math/x86_64/fmodl.s4
-rw-r--r--src/math/x86_64/remainderl.s4
6 files changed, 14 insertions, 28 deletions
diff --git a/src/math/x32/exp2l.s b/src/math/x32/exp2l.s
index d9f4d6ed..dfb2bc7c 100644
--- a/src/math/x32/exp2l.s
+++ b/src/math/x32/exp2l.s
@@ -6,9 +6,7 @@ expm1l:
 	fmulp
 	movl $0xc2820000,-4(%esp)
 	flds -4(%esp)
-	fucomp %st(1)
-	fnstsw %ax
-	sahf
+	fucomip %st(1)
 	fld1
 	jb 1f
 		# x*log2e <= -65, return -1 without underflow
@@ -17,11 +15,8 @@ expm1l:
 	ret
 1:	fld %st(1)
 	fabs
-	fucom %st(1)
-	fnstsw %ax
+	fucomip %st(1)
 	fstp %st(0)
-	fstp %st(0)
-	sahf
 	ja 1f
 	f2xm1
 	ret
@@ -53,9 +48,7 @@ exp2l:
 	fld %st(1)
 	fsub %st(1)
 	faddp
-	fucomp %st(1)
-	fnstsw
-	sahf
+	fucomip %st(1)
 	je 2f             # x - 0x1p63 + 0x1p63 == x
 	movl $1,(%esp)
 	flds (%esp)       # 0x1p-149
diff --git a/src/math/x32/fmodl.s b/src/math/x32/fmodl.s
index 9e4378ab..b9513204 100644
--- a/src/math/x32/fmodl.s
+++ b/src/math/x32/fmodl.s
@@ -5,7 +5,7 @@ fmodl:
 	fldt 8(%esp)
 1:	fprem
 	fstsw %ax
-	sahf
-	jp 1b
+	testb $4,%ah
+	jnz 1b
 	fstp %st(1)
 	ret
diff --git a/src/math/x32/remainderl.s b/src/math/x32/remainderl.s
index c97f68ad..79bf4feb 100644
--- a/src/math/x32/remainderl.s
+++ b/src/math/x32/remainderl.s
@@ -5,7 +5,7 @@ remainderl:
 	fldt 8(%esp)
 1:	fprem1
 	fstsw %ax
-	sahf
-	jp 1b
+	testb $4,%ah
+	jnz 1b
 	fstp %st(1)
 	ret
diff --git a/src/math/x86_64/exp2l.s b/src/math/x86_64/exp2l.s
index 0d6cd563..0e9bdf9f 100644
--- a/src/math/x86_64/exp2l.s
+++ b/src/math/x86_64/exp2l.s
@@ -6,9 +6,7 @@ expm1l:
 	fmulp
 	movl $0xc2820000,-4(%rsp)
 	flds -4(%rsp)
-	fucomp %st(1)
-	fnstsw %ax
-	sahf
+	fucomip %st(1)
 	fld1
 	jb 1f
 		# x*log2e <= -65, return -1 without underflow
@@ -17,11 +15,8 @@ expm1l:
 	ret
 1:	fld %st(1)
 	fabs
-	fucom %st(1)
-	fnstsw %ax
+	fucomip %st(1)
 	fstp %st(0)
-	fstp %st(0)
-	sahf
 	ja 1f
 	f2xm1
 	ret
@@ -53,9 +48,7 @@ exp2l:
 	fld %st(1)
 	fsub %st(1)
 	faddp
-	fucomp %st(1)
-	fnstsw
-	sahf
+	fucomip %st(1)
 	je 2f             # x - 0x1p63 + 0x1p63 == x
 	movl $1,(%rsp)
 	flds (%rsp)       # 0x1p-149
diff --git a/src/math/x86_64/fmodl.s b/src/math/x86_64/fmodl.s
index ca81e60c..cd8d2b7c 100644
--- a/src/math/x86_64/fmodl.s
+++ b/src/math/x86_64/fmodl.s
@@ -5,7 +5,7 @@ fmodl:
 	fldt 8(%rsp)
 1:	fprem
 	fstsw %ax
-	sahf
-	jp 1b
+	testb $4,%ah
+	jnz 1b
 	fstp %st(1)
 	ret
diff --git a/src/math/x86_64/remainderl.s b/src/math/x86_64/remainderl.s
index 75c12374..2c337cf5 100644
--- a/src/math/x86_64/remainderl.s
+++ b/src/math/x86_64/remainderl.s
@@ -5,7 +5,7 @@ remainderl:
 	fldt 8(%rsp)
 1:	fprem1
 	fstsw %ax
-	sahf
-	jp 1b
+	testb $4,%ah
+	jnz 1b
 	fstp %st(1)
 	ret