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Fixing MathUtils.h for ARM
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Signed-off-by: Avik Sil <avik.sil@linaro.org>
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Avik Sil committed Apr 12, 2012
1 parent 88cc575 commit f5ca170
Showing 1 changed file with 2 additions and 6 deletions.
8 changes: 2 additions & 6 deletions xbmc/utils/MathUtils.h
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Expand Up @@ -84,7 +84,7 @@ namespace MathUtils
*/

__asm__ __volatile__ (
"vmov.F64 d1,%[rnd_val] \n\t" // Copy round_to_nearest into a working register (d1 = 0.5)
"fconstd d1,#%G[rnd_val] \n\t" // Copy round_to_nearest into a working register (d1 = 0.5)
"fcmpezd %P[value] \n\t" // Check value against zero (value == 0?)
"fmstat \n\t" // Copy the floating-point status flags into the general-purpose status flags
"it mi \n\t"
Expand All @@ -94,11 +94,7 @@ namespace MathUtils
"vmov %[result],s3 \n\t" // Store the integer result in a general-purpose register (result = s3)
"vcvt.F64.S32 d1,s3 \n\t" // Convert back to floating-point (d1 = (double)s3)
"vsub.F64 d1,%P[value],d1 \n\t" // Calculate the error (d1 = value - d1)
"vmov.F64 d2,%[rnd_val] \n\t" // d2 = 0.5;
"fcmped d1, d2 \n\t" // (d1 == 0.5?)
"fmstat \n\t" // Copy the floating-point status flags into the general-purpose status flags
"it eq \n\t"
"addeq %[result],#1 \n\t" // (if (d1 == d2) result++;)
"fconstd d2,#%G[rnd_val] \n\t" // d2 = 0.5;
: [result] "=r"(i) // Outputs
: [rnd_val] "Dv" (round_to_nearest), [value] "w"(x) // Inputs
: "d1", "d2", "s3" // Clobbers
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