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| author | Alex Bennée <alex.bennee@linaro.org> | 2014-03-17 16:31:52 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-03-17 16:31:52 +0000 |
| commit | b6d4443a7bf607c5ca5d4b8dabffc421e571f4eb (patch) | |
| tree | 34110bfb27348b7adbabcff3eecfd75aff0d2dd3 /qemu-io-cmds.c | |
| parent | 7baeabce1d25c667d0ec7e4e74a1312e0b887b54 (diff) | |
| download | focaccia-qemu-b6d4443a7bf607c5ca5d4b8dabffc421e571f4eb.tar.gz focaccia-qemu-b6d4443a7bf607c5ca5d4b8dabffc421e571f4eb.zip | |
target-arm: A64: Implement AdvSIMD reciprocal estimate insns URECPE, FRECPE
Implement URECPE and FRECPE instructions in both scalar and vector forms. The actual reciprocal estimate function is shared with the A32/T32 Neon code. However in A64 we aren't using the Neon "standard FPSCR value" so extra checks are necessary to handle non-squashed denormal inputs which can never happen for A32/T32. Calling conventions for the helpers are thus modified to pass the fpst directly; we mark the helpers as TCG_CALL_NO_RWG since we're changing the declarations anyway. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Message-id: 1394822294-14837-21-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'qemu-io-cmds.c')
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