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authorSzabolcs Nagy <nsz@port70.net>2014-11-05 22:13:58 +0100
committerSzabolcs Nagy <nsz@port70.net>2014-11-05 22:13:58 +0100
commitec4318943a26d4bd4050481d11709853184f2794 (patch)
tree57ea5ca863de0d2a6e96f52787f9d9ba29cd14a0 /src/math/x86_64
parenta732e80d33b4fd6f510f7cec4f5573ef5d89bc4e (diff)
downloadmusl-ec4318943a26d4bd4050481d11709853184f2794.tar.gz
math: use fnstsw consistently instead of fstsw in x87 asm
fnstsw does not wait for pending unmasked x87 floating-point exceptions and it is the same as fstsw when all exceptions are masked which is the only environment libc supports.
Diffstat (limited to 'src/math/x86_64')
-rw-r--r--src/math/x86_64/fmodl.s2
-rw-r--r--src/math/x86_64/remainderl.s2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/math/x86_64/fmodl.s b/src/math/x86_64/fmodl.s
index cd8d2b7c..ea07b402 100644
--- a/src/math/x86_64/fmodl.s
+++ b/src/math/x86_64/fmodl.s
@@ -4,7 +4,7 @@ fmodl:
fldt 24(%rsp)
fldt 8(%rsp)
1: fprem
- fstsw %ax
+ fnstsw %ax
testb $4,%ah
jnz 1b
fstp %st(1)
diff --git a/src/math/x86_64/remainderl.s b/src/math/x86_64/remainderl.s
index 2c337cf5..cb3857b4 100644
--- a/src/math/x86_64/remainderl.s
+++ b/src/math/x86_64/remainderl.s
@@ -4,7 +4,7 @@ remainderl:
fldt 24(%rsp)
fldt 8(%rsp)
1: fprem1
- fstsw %ax
+ fnstsw %ax
testb $4,%ah
jnz 1b
fstp %st(1)