git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3945 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2008-02-01 13:01:47 +00:00
parent 57fec1fee9
commit 9804c8e203

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@ -17,7 +17,7 @@ from the host, although it is never the case for QEMU.
A TCG "function" corresponds to a QEMU Translated Block (TB).
A TCG "temporary" is a variable only live in a given
function. Temporaries are allocated explicitely in each function.
function. Temporaries are allocated explicitly in each function.
A TCG "global" is a variable which is live in all the functions. They
are defined before the functions defined. A TCG global can be a memory
@ -103,7 +103,7 @@ optimizations:
information is used to suppress moves from a dead temporary to
another one. It is also used to remove instructions which compute
dead results. The later is especially useful for condition code
optimisation in QEMU.
optimization in QEMU.
In the following example:
@ -118,7 +118,7 @@ optimizations:
that some results of a computation are indeed not useful. With the
macro system, the user can provide several alternative
implementations which are used depending on the used results. It is
especially useful for condition code optimisation in QEMU.
especially useful for condition code optimization in QEMU.
Here is an example:
@ -413,7 +413,7 @@ register.
TCG is backward compatible with QEMU "dyngen" operations. It means
that TCG instructions can be freely mixed with dyngen operations. It
is expected that QEMU targets will be progressively fully converted to
TCG. Once a target is fully converted to dyngen, it will be possible
TCG. Once a target is fully converted to TCG, it will be possible
to apply more optimizations because more registers will be free for
the generated code.