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(perform_fixdfsi): Copy arg to memory variable.

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From-SVN: r2209
This commit is contained in:
Richard Stallman 1992-09-23 03:39:59 +00:00
parent a48bb578b4
commit 8c153768f4
1 changed files with 4 additions and 1 deletions
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5
gcc/config/i386/mach.h
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@ -63,15 +63,18 @@
auto unsigned short ostatus; \
auto unsigned short nstatus; \
auto int ret; \
auto double tmp; \
\
&ostatus; /* guarantee these land in memory */ \
&nstatus; \
&ret; \
&tmp; \
\
asm volatile ("fnstcw %0" : "=m" (ostatus)); \
nstatus = ostatus | 0x0c00; \
asm volatile ("fldcw %0" : /* no outputs */ : "m" (nstatus)); \
asm volatile ("fldl %0" : /* no outputs */ : "m" (a)); \
tmp = a; \
asm volatile ("fldl %0" : /* no outputs */ : "m" (tmp)); \
asm volatile ("fistpl %0" : "=m" (ret)); \
asm volatile ("fldcw %0" : /* no outputs */ : "m" (ostatus)); \
\