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authorGabe Black <gblack@eecs.umich.edu>2007-07-26 22:09:41 -0700
committerGabe Black <gblack@eecs.umich.edu>2007-07-26 22:09:41 -0700
commit647a3270d11ece10fe714b1f6c618811e51a539a (patch)
treec0ae830a47a7206a940a59a440c3076fd085582c /src/arch/x86/isa/insts
parent9e975a7e0891e7c0a24f31a82850d261103be5ce (diff)
downloadgem5-647a3270d11ece10fe714b1f6c618811e51a539a.tar.xz
X86: Implement rotate-by-one instructions, and make register rotates use registers.
--HG-- extra : convert_revision : 701691951688ecefdc6450d31076b45e9af15324
Diffstat (limited to 'src/arch/x86/isa/insts')
-rw-r--r--src/arch/x86/isa/insts/rotate_and_shift/rotate.py98
1 files changed, 89 insertions, 9 deletions
diff --git a/src/arch/x86/isa/insts/rotate_and_shift/rotate.py b/src/arch/x86/isa/insts/rotate_and_shift/rotate.py
index 844288dbe..538e641ab 100644
--- a/src/arch/x86/isa/insts/rotate_and_shift/rotate.py
+++ b/src/arch/x86/isa/insts/rotate_and_shift/rotate.py
@@ -74,6 +74,26 @@ def macroop ROL_P_I
st t1, ds, [0, t0, t7], disp
};
+def macroop ROL_1_R
+{
+ roli reg, reg, 1
+};
+
+def macroop ROL_1_M
+{
+ ld t1, ds, [scale, index, base], disp
+ roli t1, t1, 1
+ st t1, ds, [scale, index, base], disp
+};
+
+def macroop ROL_1_P
+{
+ rdip t7
+ ld t1, ds, [0, t0, t7], disp
+ roli t1, t1, 1
+ st t1, ds, [0, t0, t7], disp
+};
+
def macroop ROL_R_R
{
rol reg, reg, regm
@@ -114,15 +134,35 @@ def macroop ROR_P_I
st t1, ds, [0, t0, t7], disp
};
+def macroop ROR_1_R
+{
+ rori reg, reg, 1
+};
+
+def macroop ROR_1_M
+{
+ ld t1, ds, [scale, index, base], disp
+ rori t1, t1, 1
+ st t1, ds, [scale, index, base], disp
+};
+
+def macroop ROR_1_P
+{
+ rdip t7
+ ld t1, ds, [0, t0, t7], disp
+ rori t1, t1, 1
+ st t1, ds, [0, t0, t7], disp
+};
+
def macroop ROR_R_R
{
- rori reg, reg, regm
+ ror reg, reg, regm
};
def macroop ROR_M_R
{
ld t1, ds, [scale, index, base], disp
- rori t1, t1, reg
+ ror t1, t1, reg
st t1, ds, [scale, index, base], disp
};
@@ -130,7 +170,7 @@ def macroop ROR_P_R
{
rdip t7
ld t1, ds, [0, t0, t7], disp
- rori t1, t1, reg
+ ror t1, t1, reg
st t1, ds, [0, t0, t7], disp
};
@@ -154,15 +194,35 @@ def macroop RCL_P_I
st t1, ds, [0, t0, t7], disp
};
+def macroop RCL_1_R
+{
+ rcli reg, reg, 1
+};
+
+def macroop RCL_1_M
+{
+ ld t1, ds, [scale, index, base], disp
+ rcli t1, t1, 1
+ st t1, ds, [scale, index, base], disp
+};
+
+def macroop RCL_1_P
+{
+ rdip t7
+ ld t1, ds, [0, t0, t7], disp
+ rcli t1, t1, 1
+ st t1, ds, [0, t0, t7], disp
+};
+
def macroop RCL_R_R
{
- rcli reg, reg, regm
+ rcl reg, reg, regm
};
def macroop RCL_M_R
{
ld t1, ds, [scale, index, base], disp
- rcli t1, t1, reg
+ rcl t1, t1, reg
st t1, ds, [scale, index, base], disp
};
@@ -170,7 +230,7 @@ def macroop RCL_P_R
{
rdip t7
ld t1, ds, [0, t0, t7], disp
- rcli t1, t1, reg
+ rcl t1, t1, reg
st t1, ds, [0, t0, t7], disp
};
@@ -194,15 +254,35 @@ def macroop RCR_P_I
st t1, ds, [0, t0, t7], disp
};
+def macroop RCR_1_R
+{
+ rcri reg, reg, 1
+};
+
+def macroop RCR_1_M
+{
+ ld t1, ds, [scale, index, base], disp
+ rcri t1, t1, 1
+ st t1, ds, [scale, index, base], disp
+};
+
+def macroop RCR_1_P
+{
+ rdip t7
+ ld t1, ds, [0, t0, t7], disp
+ rcri t1, t1, 1
+ st t1, ds, [0, t0, t7], disp
+};
+
def macroop RCR_R_R
{
- rcri reg, reg, regm
+ rcr reg, reg, regm
};
def macroop RCR_M_R
{
ld t1, ds, [scale, index, base], disp
- rcri t1, t1, reg
+ rcr t1, t1, reg
st t1, ds, [scale, index, base], disp
};
@@ -210,7 +290,7 @@ def macroop RCR_P_R
{
rdip t7
ld t1, ds, [0, t0, t7], disp
- rcri t1, t1, reg
+ rcr t1, t1, reg
st t1, ds, [0, t0, t7], disp
};
'''