Ping.
On 06/06/2013 11:05 AM, Richard Henderson wrote: > Two prepatory generic tcg patches, to allow non-constant values for > the various TCG_TARGET_HAS_foo macros. > > When in patch 3 this gets used, the code inlined in the translators > will be able to check the relevant variable and emit either division > opcode or the call to the division subroutine. > > Perhaps more valuable is being able to generate armv7 insns when > running on e.g. an cortex-a15, even when the OS distribution is > built for a more generic armv5. > > Tested on an a15, and with various hacks to force each of the unused > code paths to be used. > > > r~ > > > Richard Henderson (5): > tcg: Allow non-constant control macros > tcg: Simplify logic using TCG_OPF_NOT_PRESENT > tcg-arm: Make use of conditional availability of opcodes for divide > tcg-arm: Simplify logic in detecting the ARM ISA in use > tcg-arm: Use AT_PLATFORM to detect the host ISA > > tcg/arm/tcg-target.c | 82 > +++++++++++++++++++++++++++------------------------- > tcg/arm/tcg-target.h | 14 +++++---- > tcg/tcg-opc.h | 28 ++++++++++-------- > tcg/tcg.c | 4 +-- > tcg/tcg.h | 3 +- > 5 files changed, 69 insertions(+), 62 deletions(-) >
