stack_operations.py (5927:5e3367b103da) | stack_operations.py (6344:b7104eda0795) |
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1# Copyright (c) 2007-2008 The Hewlett-Packard Development Company 2# All rights reserved. 3# 4# Redistribution and use of this software in source and binary forms, 5# with or without modification, are permitted provided that the 6# following conditions are met: 7# 8# The software must be used only for Non-Commercial Use which means any --- 149 unchanged lines hidden (view full) --- 158 159def macroop ENTER_I_I { 160 # This needs to check all the addresses it writes to before it actually 161 # writes any values. 162 163 # Pull the different components out of the immediate 164 limm t1, imm 165 zexti t2, t1, 15, dataSize=8 | 1# Copyright (c) 2007-2008 The Hewlett-Packard Development Company 2# All rights reserved. 3# 4# Redistribution and use of this software in source and binary forms, 5# with or without modification, are permitted provided that the 6# following conditions are met: 7# 8# The software must be used only for Non-Commercial Use which means any --- 149 unchanged lines hidden (view full) --- 158 159def macroop ENTER_I_I { 160 # This needs to check all the addresses it writes to before it actually 161 # writes any values. 162 163 # Pull the different components out of the immediate 164 limm t1, imm 165 zexti t2, t1, 15, dataSize=8 |
166 srl t1, t1, 16 | 166 srli t1, t1, 16 |
167 zexti t1, t1, 5, dataSize=8 168 # t1 is now the masked nesting level, and t2 is the amount of storage. 169 170 # Push rbp. 171 stupd rbp, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz 172 173 # Save the stack pointer for later 174 mov t6, t6, rsp, dataSize=asz 175 176 # If the nesting level is zero, skip all this stuff. | 167 zexti t1, t1, 5, dataSize=8 168 # t1 is now the masked nesting level, and t2 is the amount of storage. 169 170 # Push rbp. 171 stupd rbp, ss, [1, t0, rsp], "-env.stackSize", dataSize=ssz 172 173 # Save the stack pointer for later 174 mov t6, t6, rsp, dataSize=asz 175 176 # If the nesting level is zero, skip all this stuff. |
177 subi t0, t1, t0, flags=(EZF,), dataSize=2 | 177 sub t0, t1, t0, flags=(EZF,), dataSize=2 |
178 br label("skipLoop"), flags=(CEZF,) 179 180 # If the level was 1, only push the saved rbp 181 subi t0, t1, 1, flags=(EZF,) 182 br label("bottomOfLoop"), flags=(CEZF,) 183 184 limm t4, "ULL(-1)", dataSize=8 185topOfLoop: --- 17 unchanged lines hidden --- | 178 br label("skipLoop"), flags=(CEZF,) 179 180 # If the level was 1, only push the saved rbp 181 subi t0, t1, 1, flags=(EZF,) 182 br label("bottomOfLoop"), flags=(CEZF,) 183 184 limm t4, "ULL(-1)", dataSize=8 185topOfLoop: --- 17 unchanged lines hidden --- |