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authorGabe Black <gblack@eecs.umich.edu>2007-12-02 01:46:38 -0800
committerGabe Black <gblack@eecs.umich.edu>2007-12-02 01:46:38 -0800
commit73caca57a837ec607c9993a5b9934a4b2aa3529d (patch)
tree2cd6606711c8997f0bf04c68b1bf74311bc1a8f7 /src/arch/x86/isa/insts
parentb5d40183829f5aa6f8f7196aad11cef037d04443 (diff)
downloadgem5-73caca57a837ec607c9993a5b9934a4b2aa3529d.tar.xz
X86: Make sure the memory index is calculated using the address size for bit test instructions.
--HG-- extra : convert_revision : 9634675857dae53b5e79e49267c864a0265afde1
Diffstat (limited to 'src/arch/x86/isa/insts')
-rw-r--r--src/arch/x86/isa/insts/general_purpose/compare_and_test/bit_test.py92
1 files changed, 54 insertions, 38 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/compare_and_test/bit_test.py b/src/arch/x86/isa/insts/general_purpose/compare_and_test/bit_test.py
index f4e062d55..9b99b331e 100644
--- a/src/arch/x86/isa/insts/general_purpose/compare_and_test/bit_test.py
+++ b/src/arch/x86/isa/insts/general_purpose/compare_and_test/bit_test.py
@@ -59,20 +59,22 @@ def macroop BT_R_I {
};
def macroop BT_M_I {
- limm t1, imm
+ limm t1, imm, dataSize=asz
# This fudges just a tiny bit, but it's reasonable to expect the
# microcode generation logic to have the log of the various sizes
# floating around as well.
- srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
- add t2, t2, base
+ srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
+ add t2, t2, base, dataSize=asz
ld t1, seg, [scale, index, t2], disp
sexti t0, t1, imm, flags=(CF,)
};
def macroop BT_P_I {
rdip t7
- limm t1, imm
- srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
+ limm t1, imm, dataSize=asz
+ srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
ld t1, seg, [1, t2, t7]
sexti t0, t1, imm, flags=(CF,)
};
@@ -82,15 +84,17 @@ def macroop BT_R_R {
};
def macroop BT_M_R {
- srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
- add t2, t2, base
+ srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
+ add t2, t2, base, dataSize=asz
ld t1, seg, [scale, index, t2], disp
sext t0, t1, reg, flags=(CF,)
};
def macroop BT_P_R {
rdip t7
- srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
+ srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
ld t1, seg, [1, t2, t7]
sext t0, t1, reg, flags=(CF,)
};
@@ -103,12 +107,13 @@ def macroop BTC_R_I {
};
def macroop BTC_M_I {
- limm t1, imm
+ limm t1, imm, dataSize=asz
# This fudges just a tiny bit, but it's reasonable to expect the
# microcode generation logic to have the log of the various sizes
# floating around as well.
- srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
- add t2, t2, base
+ srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
+ add t2, t2, base, dataSize=asz
limm t3, 1
roli t3, t3, imm
ldst t1, seg, [scale, index, t2], disp
@@ -118,9 +123,10 @@ def macroop BTC_M_I {
};
def macroop BTC_P_I {
- rdip t7
- limm t1, imm
- srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
+ rdip t7, dataSize=asz
+ limm t1, imm, dataSize=asz
+ srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
limm t3, 1
roli t3, t3, imm
ldst t1, seg, [1, t2, t7]
@@ -137,8 +143,9 @@ def macroop BTC_R_R {
};
def macroop BTC_M_R {
- srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
- add t2, t2, base
+ srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
+ add t2, t2, base, dataSize=asz
limm t3, 1
rol t3, t3, reg
ldst t1, seg, [scale, index, t2], disp
@@ -148,8 +155,9 @@ def macroop BTC_M_R {
};
def macroop BTC_P_R {
- rdip t7
- srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
+ rdip t7, dataSize=asz
+ srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
limm t3, 1
rol t3, t3, reg
ldst t1, seg, [1, t2, t7]
@@ -166,12 +174,13 @@ def macroop BTR_R_I {
};
def macroop BTR_M_I {
- limm t1, imm
+ limm t1, imm, dataSize=asz
# This fudges just a tiny bit, but it's reasonable to expect the
# microcode generation logic to have the log of the various sizes
# floating around as well.
- srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
- add t2, t2, base
+ srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
+ add t2, t2, base, dataSize=asz
limm t3, "(uint64_t(-(2ULL)))"
roli t3, t3, imm
ldst t1, seg, [scale, index, t2], disp
@@ -181,9 +190,10 @@ def macroop BTR_M_I {
};
def macroop BTR_P_I {
- rdip t7
- limm t1, imm
- srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
+ rdip t7, dataSize=asz
+ limm t1, imm, dataSize=asz
+ srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
limm t3, "(uint64_t(-(2ULL)))"
roli t3, t3, imm
ldst t1, seg, [1, t2, t7]
@@ -200,8 +210,9 @@ def macroop BTR_R_R {
};
def macroop BTR_M_R {
- srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
- add t2, t2, base
+ srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
+ add t2, t2, base, dataSize=asz
limm t3, "(uint64_t(-(2ULL)))"
rol t3, t3, reg
ldst t1, seg, [scale, index, t2], disp
@@ -211,8 +222,9 @@ def macroop BTR_M_R {
};
def macroop BTR_P_R {
- rdip t7
- srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
+ rdip t7, dataSize=asz
+ srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
limm t3, "(uint64_t(-(2ULL)))"
rol t3, t3, reg
ldst t1, seg, [1, t2, t7]
@@ -229,12 +241,13 @@ def macroop BTS_R_I {
};
def macroop BTS_M_I {
- limm t1, imm
+ limm t1, imm, dataSize=asz
# This fudges just a tiny bit, but it's reasonable to expect the
# microcode generation logic to have the log of the various sizes
# floating around as well.
- srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
- add t2, t2, base
+ srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
+ add t2, t2, base, dataSize=asz
limm t3, 1
roli t3, t3, imm
ldst t1, seg, [scale, index, t2], disp
@@ -244,9 +257,10 @@ def macroop BTS_M_I {
};
def macroop BTS_P_I {
- rdip t7
- limm t1, imm
- srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
+ rdip t7, dataSize=asz
+ limm t1, imm, dataSize=asz
+ srai t2, t1, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
limm t3, 1
roli t3, t3, imm
ldst t1, seg, [1, t2, t7]
@@ -263,8 +277,9 @@ def macroop BTS_R_R {
};
def macroop BTS_M_R {
- srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
- add t2, t2, base
+ srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
+ add t2, t2, base, dataSize=asz
limm t3, 1
rol t3, t3, reg
ldst t1, seg, [scale, index, t2], disp
@@ -274,8 +289,9 @@ def macroop BTS_M_R {
};
def macroop BTS_P_R {
- rdip t7
- srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)"
+ rdip t7, dataSize=asz
+ srai t2, reg, "(env.dataSize == 8) ? 3 : ((env.dataSize == 4) ? 2 : 1)", \
+ dataSize=asz
limm t3, 1
rol t3, t3, reg
ldst t1, seg, [1, t2, t7]