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| -rw-r--r-- | docs/LangRef.html | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index 09903f1016..09e557f215 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -2017,7 +2017,7 @@ primarily used to implement exception handling.</p> <h5>Semantics:</h5> -<p>The '<tt>unwind</tt>' intrinsic causes execution of the current function to +<p>The '<tt>unwind</tt>' instruction causes execution of the current function to immediately halt. The dynamic call stack is then searched for the first <a href="#i_invoke"><tt>invoke</tt></a> instruction on the call stack. Once found, execution continues at the "exceptional" destination block specified by the @@ -2337,7 +2337,8 @@ the left a specified number of bits.</p> <h5>Arguments:</h5> <p>Both arguments to the '<tt>shl</tt>' instruction must be the same <a - href="#t_integer">integer</a> type.</p> + href="#t_integer">integer</a> type. '<tt>var2</tt>' is treated as an +unsigned value.</p> <h5>Semantics:</h5> @@ -2366,7 +2367,8 @@ operand shifted to the right a specified number of bits with zero fill.</p> <h5>Arguments:</h5> <p>Both arguments to the '<tt>lshr</tt>' instruction must be the same -<a href="#t_integer">integer</a> type.</p> +<a href="#t_integer">integer</a> type. '<tt>var2</tt>' is treated as an +unsigned value.</p> <h5>Semantics:</h5> @@ -2400,7 +2402,8 @@ operand shifted to the right a specified number of bits with sign extension.</p> <h5>Arguments:</h5> <p>Both arguments to the '<tt>ashr</tt>' instruction must be the same -<a href="#t_integer">integer</a> type.</p> +<a href="#t_integer">integer</a> type. '<tt>var2</tt>' is treated as an +unsigned value.</p> <h5>Semantics:</h5> <p>This instruction always performs an arithmetic shift right operation, @@ -2796,8 +2799,8 @@ choose to align the allocation on any convenient boundary.</p> <h5>Semantics:</h5> <p>Memory is allocated using the system "<tt>malloc</tt>" function, and -a pointer is returned. Allocating zero bytes is undefined. The result is null -if there is insufficient memory available.</p> +a pointer is returned. The result of a zero byte allocattion is undefined. The +result is null if there is insufficient memory available.</p> <h5>Example:</h5> @@ -2839,7 +2842,7 @@ instruction.</p> <h5>Semantics:</h5> <p>Access to the memory pointed to by the pointer is no longer defined -after this instruction executes. If the pointer is null, the result is +after this instruction executes. If the pointer is null, the behavior is undefined.</p> <h5>Example:</h5> @@ -2884,7 +2887,8 @@ can choose to align the allocation on any convenient boundary.</p> <h5>Semantics:</h5> -<p>Memory is allocated; a pointer is returned. '<tt>alloca</tt>'d +<p>Memory is allocated; a pointer is returned. The operation is undefiend if +there is insufficient stack space for the allocation. '<tt>alloca</tt>'d memory is automatically released when the function returns. The '<tt>alloca</tt>' instruction is commonly used to represent automatic variables that must have an address available. When the function returns (either with the <tt><a |