store_string.py revision 5661:443e6f925027 
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53#
54# Authors: Gabe Black
55
56microcode = '''
57def macroop STOS_M {
58    # Find the constant we need to either add or subtract from rdi
59    ruflag t0, 10
60    movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
61    subi t4, t0, dsz, dataSize=asz
62    mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
63
64    st rax, es, [1, t0, rdi]
65
66    add rdi, rdi, t3, dataSize=asz
67};
68
69def macroop STOS_E_M {
70    and t0, rcx, rcx, flags=(EZF,), dataSize=asz
71    br label("end"), flags=(CEZF,)
72    # Find the constant we need to either add or subtract from rdi
73    ruflag t0, 10
74    movi t3, t3, dsz, flags=(CEZF,), dataSize=asz
75    subi t4, t0, dsz, dataSize=asz
76    mov t3, t3, t4, flags=(nCEZF,), dataSize=asz
77
78topOfLoop:
79    st rax, es, [1, t0, rdi]
80
81    subi rcx, rcx, 1, flags=(EZF,), dataSize=asz
82    add rdi, rdi, t3, dataSize=asz
83    br label("topOfLoop"), flags=(nCEZF,)
84end:
85    fault "NoFault"
86};
87'''
88