diff --git a/docs/markdown/hip_kernel_language.md b/docs/markdown/hip_kernel_language.md
old mode 100644
new mode 100755
index ed9dc2fbe9..4b8762025e
--- a/docs/markdown/hip_kernel_language.md
+++ b/docs/markdown/hip_kernel_language.md
@@ -451,6 +451,8 @@ Following is the list of supported integer intrinsics. Note that intrinsics are
| unsigned int __ffsll(long long int x)
Find the position of least signigicant bit set to 1 in a 64 bit signed integer. |
| unsigned int __popc ( unsigned int x )
Count the number of bits that are set to 1 in a 32 bit integer. |
| int __popcll ( unsigned long long int x )
Count the number of bits that are set to 1 in a 64 bit integer. |
+| int __mul24 ( int x, int y )
Multiply two 24bit integers. |
+| unsigned int __umul24 ( unsigned int x, unsigned int y )
Multiply two 24bit unsigned integers. |
[1]
The hcc implementation of __ffs() and __ffsll() contains code to add a constant +1 to produce the ffs result format.
For the cases where this overhead is not acceptable and programmer is willing to specialize for the platform,