diff options
Diffstat (limited to 'src/arch/x86/isa/insts')
| -rw-r--r-- | src/arch/x86/isa/insts/data_transfer/stack_operations.py | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/src/arch/x86/isa/insts/data_transfer/stack_operations.py b/src/arch/x86/isa/insts/data_transfer/stack_operations.py index 889e7b88b..1c13b44b4 100644 --- a/src/arch/x86/isa/insts/data_transfer/stack_operations.py +++ b/src/arch/x86/isa/insts/data_transfer/stack_operations.py @@ -85,8 +85,10 @@ def macroop PUSH_R { # Make the default data size of pops 64 bits in 64 bit mode .adjust_env oszIn64Override + # This needs to work slightly differently from the other versions of push + # because the -original- version of the stack pointer is what gets pushed + st reg, ss, [0, t0, rsp], "-env.dataSize" subi rsp, rsp, dsz - st reg, ss, [0, t0, rsp] }; def macroop PUSH_I { @@ -130,14 +132,13 @@ def macroop PUSHA { }; def macroop POPA { - st rdi, ss, [0, t0, rsp], "0 * env.dataSize" - st rsi, ss, [0, t0, rsp], "1 * env.dataSize" - st rbp, ss, [0, t0, rsp], "2 * env.dataSize" - st rsp, ss, [0, t0, rsp], "3 * env.dataSize" - st rbx, ss, [0, t0, rsp], "4 * env.dataSize" - st rdx, ss, [0, t0, rsp], "5 * env.dataSize" - st rcx, ss, [0, t0, rsp], "6 * env.dataSize" - st rax, ss, [0, t0, rsp], "7 * env.dataSize" + ld rdi, ss, [0, t0, rsp], "0 * env.dataSize" + ld rsi, ss, [0, t0, rsp], "1 * env.dataSize" + ld rbp, ss, [0, t0, rsp], "2 * env.dataSize" + ld rbx, ss, [0, t0, rsp], "4 * env.dataSize" + ld rdx, ss, [0, t0, rsp], "5 * env.dataSize" + ld rcx, ss, [0, t0, rsp], "6 * env.dataSize" + ld rax, ss, [0, t0, rsp], "7 * env.dataSize" addi rsp, rsp, "8 * env.dataSize" }; ''' |