23# 24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 28# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35# 36# Authors: Gabe Black 37 38microcode = ''' 39def macroop LODS_M { 40 # Find the constant we need to either add or subtract from rdi 41 ruflag t0, 10 42 movi t3, t3, dsz, flags=(CEZF,), dataSize=asz 43 subi t4, t0, dsz, dataSize=asz 44 mov t3, t3, t4, flags=(nCEZF,), dataSize=asz 45 46 ld rax, seg, [1, t0, rsi] 47 48 add rsi, rsi, t3, dataSize=asz 49}; 50 51def macroop LODS_E_M { 52 and t0, rcx, rcx, flags=(EZF,), dataSize=asz 53 br label("end"), flags=(CEZF,) 54 # Find the constant we need to either add or subtract from rdi 55 ruflag t0, 10 56 movi t3, t3, dsz, flags=(CEZF,), dataSize=asz 57 subi t4, t0, dsz, dataSize=asz 58 mov t3, t3, t4, flags=(nCEZF,), dataSize=asz 59 60topOfLoop: 61 ld rax, seg, [1, t0, rsi] 62 63 subi rcx, rcx, 1, flags=(EZF,), dataSize=asz 64 add rsi, rsi, t3, dataSize=asz 65 br label("topOfLoop"), flags=(nCEZF,) 66end: 67 fault "NoFault" 68}; 69'''
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