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Fix asm! blocks

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The `volatile` modifier was incorrectly written outside of the `asm!`
blocks.
This commit is contained in:
Andrea Canciani 2016-05-16 15:41:45 +02:00
parent 88afeb9cba
commit 4ec1f8de41
1 changed files with 2 additions and 2 deletions
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4
src/libcore/num/dec2flt/algorithm.rs
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@ -70,7 +70,7 @@ mod fpu_precision {
pub struct FPUControlWord(u16);
fn set_cw(cw: u16) {
unsafe { asm!("fldcw $0" :: "m" (cw)) :: "volatile" }
unsafe { asm!("fldcw $0" :: "m" (cw) :: "volatile") }
}
/// Set the precision field of the FPU to `T` and return a `FPUControlWord`
@ -86,7 +86,7 @@ mod fpu_precision {
// Get the original value of the control word to restore it later, when the
// `FPUControlWord` structure is dropped
unsafe { asm!("fnstcw $0" : "=*m" (&cw)) ::: "volatile" }
unsafe { asm!("fnstcw $0" : "=*m" (&cw) ::: "volatile") }
// Set the control word to the desired precision. This is achieved by masking away the old
// precision (bits 8 and 9, 0x300) and replacing it with the precision flag computed above.