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add warning about dodgy inline assembly

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leitner 2006-08-27 22:23:45 +00:00
parent 66b342099c
commit a2900d45a6
2 changed files with 2 additions and 0 deletions
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1
mult/imult64.c
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@ -1,5 +1,6 @@
#ifdef __x86_64__ #ifdef __x86_64__
/* WARNING: this only works if compiled with -fomit-frame-pointer */
void imult64() { void imult64() {
asm volatile( asm volatile(
"xchgq %rdx,%rsi\n" "xchgq %rdx,%rsi\n"

1
mult/umult64.c
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@ -1,5 +1,6 @@
#ifdef __x86_64__ #ifdef __x86_64__
/* WARNING: this only works if compiled with -fomit-frame-pointer */
void umult64() { void umult64() {
asm volatile( asm volatile(
"xchgq %rdx,%rsi\n" "xchgq %rdx,%rsi\n"