| author | "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> |
| Mon Jun 01 09:23:23 2009 +0000 (2009-06-01) | |
| branch | gcc-4.4 |
| changeset 1394 | 51d112dfbe79 |
| parent 612 | fc9588d57c0f |
| permissions | -rw-r--r-- |
| yann@607 | 1 |
Original patch from H.J. Lu, as reported there: |
| yann@607 | 2 |
http://www.nabble.com/PATCH:-Use-short-for-fnstsw-td14775171.html |
| yann@607 | 3 |
|
| yann@607 | 4 |
fnstsw stores 16bit into %ax. The upper 16bit of %eax is unchanged. |
| yann@607 | 5 |
The new assembler (binutils-2.18.50.0.4 and up) will disallow "fnstsw %eax". |
| yann@607 | 6 |
|
| yann@607 | 7 |
diff -dur glibc-2.7.orig/sysdeps/i386/fpu/ftestexcept.c glibc-2.7/sysdeps/i386/fpu/ftestexcept.c |
| yann@607 | 8 |
--- glibc-2.7.orig/sysdeps/i386/fpu/ftestexcept.c 2004-03-05 11:14:48.000000000 +0100 |
| yann@607 | 9 |
+++ glibc-2.7/sysdeps/i386/fpu/ftestexcept.c 2008-06-24 10:54:43.000000000 +0200 |
| yann@607 | 10 |
@@ -26,7 +26,7 @@ |
| yann@607 | 11 |
int |
| yann@607 | 12 |
fetestexcept (int excepts) |
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{
|
| yann@607 | 14 |
- int temp; |
| yann@607 | 15 |
+ short temp; |
| yann@607 | 16 |
int xtemp = 0; |
| yann@607 | 17 |
|
| yann@607 | 18 |
/* Get current exceptions. */ |