From 43cb78004b73c3f98f3429cebb3f846a0f6ac8d3 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Sun, 21 Oct 2007 18:45:46 -0700
Subject: X86: Start using the stupd microop, and update statistics
 accordingly.

--HG--
extra : convert_revision : 4aa9daa4e19acfb3e6840ce5d83cf199e30c2f19
---
 .../insts/general_purpose/control_transfer/call.py | 12 +++------
 .../data_transfer/stack_operations.py              | 30 +++++++++-------------
 .../insts/general_purpose/flags/push_and_pop.py    |  3 +--
 3 files changed, 17 insertions(+), 28 deletions(-)

(limited to 'src/arch/x86/isa/insts')

diff --git a/src/arch/x86/isa/insts/general_purpose/control_transfer/call.py b/src/arch/x86/isa/insts/general_purpose/control_transfer/call.py
index f4f856974..45a7822fb 100644
--- a/src/arch/x86/isa/insts/general_purpose/control_transfer/call.py
+++ b/src/arch/x86/isa/insts/general_purpose/control_transfer/call.py
@@ -62,8 +62,7 @@ def macroop CALL_NEAR_I
     limm t1, imm
     rdip t7
     # Check target of call
-    st t7, ss, [0, t0, rsp], "-env.dataSize"
-    subi rsp, rsp, dsz
+    stupd t7, ss, [0, t0, rsp], "-env.dataSize"
     wrip t7, t1
 };
 
@@ -74,8 +73,7 @@ def macroop CALL_NEAR_R
 
     rdip t1
     # Check target of call
-    st t1, ss, [0, t0, rsp], "-env.dataSize"
-    subi rsp, rsp, dsz
+    stupd t1, ss, [0, t0, rsp], "-env.dataSize"
     wripi reg, 0
 };
 
@@ -87,8 +85,7 @@ def macroop CALL_NEAR_M
     rdip t7
     ld t1, seg, sib, disp
     # Check target of call
-    st t7, ss, [0, t0, rsp], "-env.dataSize"
-    subi rsp, rsp, dsz
+    stupd t7, ss, [0, t0, rsp], "-env.dataSize"
     wripi t1, 0
 };
 
@@ -100,8 +97,7 @@ def macroop CALL_NEAR_P
     rdip t7
     ld t1, seg, riprel, disp
     # Check target of call
-    st t7, ss, [0, t0, rsp], "-env.dataSize"
-    subi rsp, rsp, dsz
+    stupd t7, ss, [0, t0, rsp], "-env.dataSize"
     wripi t1, 0
 };
 '''
diff --git a/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py b/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py
index 3ed9d8bff..5771242e6 100644
--- a/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py
+++ b/src/arch/x86/isa/insts/general_purpose/data_transfer/stack_operations.py
@@ -89,8 +89,7 @@ def macroop PUSH_R {
 
     # 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, [1, t0, rsp], "-env.dataSize"
-    subi rsp, rsp, dsz
+    stupd reg, ss, [1, t0, rsp], "-env.dataSize"
 };
 
 def macroop PUSH_I {
@@ -98,8 +97,7 @@ def macroop PUSH_I {
     .adjust_env oszIn64Override
 
     limm t1, imm
-    st t1, ss, [1, t0, rsp], "-env.dataSize"
-    subi rsp, rsp, dsz
+    stupd t1, ss, [1, t0, rsp], "-env.dataSize"
 };
 
 def macroop PUSH_M {
@@ -107,8 +105,7 @@ def macroop PUSH_M {
     .adjust_env oszIn64Override
 
     ld t1, seg, sib, disp
-    st t1, ss, [1, t0, rsp], "-env.dataSize"
-    subi rsp, rsp, dsz
+    stupd t1, ss, [1, t0, rsp], "-env.dataSize"
 };
 
 def macroop PUSH_P {
@@ -117,22 +114,19 @@ def macroop PUSH_P {
 
     rdip t7
     ld t1, seg, riprel, disp
-    # Check stack address
-    subi rsp, rsp, dsz
-    st t1, ss, [1, t0, rsp]
+    stupd t1, ss, [1, t0, rsp], "-env.dataSize"
 };
 
 def macroop PUSHA {
     # Check all the stack addresses.
-    st rax, ss, [1, t0, rsp], "-0 * env.dataSize"
-    st rcx, ss, [1, t0, rsp], "-1 * env.dataSize"
-    st rdx, ss, [1, t0, rsp], "-2 * env.dataSize"
-    st rbx, ss, [1, t0, rsp], "-3 * env.dataSize"
-    st rsp, ss, [1, t0, rsp], "-4 * env.dataSize"
-    st rbp, ss, [1, t0, rsp], "-5 * env.dataSize"
-    st rsi, ss, [1, t0, rsp], "-6 * env.dataSize"
-    st rdi, ss, [1, t0, rsp], "-7 * env.dataSize"
-    subi rsp, rsp, "8 * env.dataSize"
+    stupd rax, ss, [1, t0, rsp], "-env.dataSize"
+    stupd rcx, ss, [1, t0, rsp], "-env.dataSize"
+    stupd rdx, ss, [1, t0, rsp], "-env.dataSize"
+    stupd rbx, ss, [1, t0, rsp], "-env.dataSize"
+    stupd rsp, ss, [1, t0, rsp], "-env.dataSize"
+    stupd rbp, ss, [1, t0, rsp], "-env.dataSize"
+    stupd rsi, ss, [1, t0, rsp], "-env.dataSize"
+    stupd rdi, ss, [1, t0, rsp], "-env.dataSize"
 };
 
 def macroop POPA {
diff --git a/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py b/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py
index 87e9ef03a..fe60350c1 100644
--- a/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py
+++ b/src/arch/x86/isa/insts/general_purpose/flags/push_and_pop.py
@@ -59,8 +59,7 @@ def macroop PUSHF {
 
     # This should really read the whole flags register, not just user flags.
     ruflags t1
-    st t1, ss, [1, t0, rsp], "-env.dataSize"
-    subi rsp, rsp, dsz
+    stupd t1, ss, [1, t0, rsp], "-env.dataSize"
 };
 
 def macroop POPF {
-- 
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