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authorGabe Black <gblack@eecs.umich.edu>2009-08-17 18:41:27 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-08-17 18:41:27 -0700
commitae64377afe0373a56ad14a492cc758e8e4a8d9e8 (patch)
tree96fcea3e4ed75bdbb8b92f6f482626785425035e /src/arch/x86/isa/insts
parent8e97cd9c8fdaa0a1c0093ef0f969798ab06161ee (diff)
downloadgem5-ae64377afe0373a56ad14a492cc758e8e4a8d9e8.tar.xz
X86: Implement the media instructions that convert integer values to floating point.
Diffstat (limited to 'src/arch/x86/isa/insts')
-rw-r--r--src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_gpr_integer_to_floating_point.py27
-rw-r--r--src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_integer_to_floating_point.py39
-rw-r--r--src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_mmx_integer_to_floating_point.py34
-rw-r--r--src/arch/x86/isa/insts/simd64/integer/data_conversion.py3
4 files changed, 91 insertions, 12 deletions
diff --git a/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_gpr_integer_to_floating_point.py b/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_gpr_integer_to_floating_point.py
index a900b374a..8d632a0ac 100644
--- a/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_gpr_integer_to_floating_point.py
+++ b/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_gpr_integer_to_floating_point.py
@@ -54,20 +54,35 @@
# Authors: Gabe Black
microcode = '''
-# CVTSI2SS
+def macroop CVTSI2SS_XMM_R {
+ mov2fp ufp1, regm, destSize=dsz, srcSize=dsz
+ cvti2f xmml, ufp1, srcSize=dsz, destSize=4, ext=1
+};
+
+def macroop CVTSI2SS_XMM_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ cvti2f xmml, ufp1, srcSize=dsz, destSize=4, ext=1
+};
+
+def macroop CVTSI2SS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ cvti2f xmml, ufp1, srcSize=dsz, destSize=4, ext=1
+};
def macroop CVTSI2SD_XMM_R {
- cvtf_i2d xmml, regm
+ mov2fp ufp1, regm, destSize=dsz, srcSize=dsz
+ cvti2f xmml, ufp1, srcSize=dsz, destSize=8, ext=1
};
def macroop CVTSI2SD_XMM_M {
- ld t1, seg, sib, disp
- cvtf_i2d xmml, t1
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ cvti2f xmml, ufp1, srcSize=dsz, destSize=8, ext=1
};
def macroop CVTSI2SD_XMM_P {
rdip t7
- ld t1, seg, riprel, disp
- cvtf_i2d xmml, t1
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ cvti2f xmml, ufp1, srcSize=dsz, destSize=8, ext=1
};
'''
diff --git a/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_integer_to_floating_point.py b/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_integer_to_floating_point.py
index 41e8549b5..21cfdcc68 100644
--- a/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_integer_to_floating_point.py
+++ b/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_integer_to_floating_point.py
@@ -54,6 +54,41 @@
# Authors: Gabe Black
microcode = '''
-# CVTDQ2PS
-# CVTDQ2PD
+def macroop CVTDQ2PS_XMM_XMM {
+ cvti2f xmml, xmmlm, size=4, ext=0
+ cvti2f xmmh, xmmhm, size=4, ext=0
+};
+
+def macroop CVTDQ2PS_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ cvti2f xmml, ufp1, size=4, ext=0
+ cvti2f xmmh, ufp2, size=4, ext=0
+};
+
+def macroop CVTDQ2PS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ cvti2f xmml, ufp1, size=4, ext=0
+ cvti2f xmmh, ufp2, size=4, ext=0
+};
+
+def macroop CVTDQ2PD_XMM_XMM {
+ cvti2f xmmh, xmmlm, srcSize=4, destSize=8, ext=2
+ cvti2f xmml, xmmlm, srcSize=4, destSize=8, ext=0
+};
+
+def macroop CVTDQ2PD_XMM_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ cvti2f xmml, ufp1, srcSize=4, destSize=8, ext=0
+ cvti2f xmmh, ufp1, srcSize=4, destSize=8, ext=2
+};
+
+def macroop CVTDQ2PD_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ cvti2f xmml, ufp1, srcSize=4, destSize=8, ext=0
+ cvti2f xmmh, ufp1, srcSize=4, destSize=8, ext=2
+};
'''
diff --git a/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_mmx_integer_to_floating_point.py b/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_mmx_integer_to_floating_point.py
index aeaea26cd..bc09d8b92 100644
--- a/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_mmx_integer_to_floating_point.py
+++ b/src/arch/x86/isa/insts/simd128/integer/data_conversion/convert_mmx_integer_to_floating_point.py
@@ -54,6 +54,36 @@
# Authors: Gabe Black
microcode = '''
-# CVTPI2PS
-# CVTPI2PD
+def macroop CVTPI2PS_XMM_MMX {
+ cvti2f xmml, mmxm, size=4, ext=0
+};
+
+def macroop CVTPI2PS_XMM_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ cvti2f xmml, ufp1, size=4, ext=0
+};
+
+def macroop CVTPI2PS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ cvti2f xmml, ufp1, size=4, ext=0
+};
+
+def macroop CVTPI2PD_XMM_MMX {
+ cvti2f xmml, mmxm, srcSize=4, destSize=8, ext=0
+ cvti2f xmmh, mmxm, srcSize=4, destSize=8, ext=2
+};
+
+def macroop CVTPI2PD_XMM_M {
+ ldfp ufp1, seg, sib, disp, dataSize=8
+ cvti2f xmml, ufp1, srcSize=4, destSize=8, ext=0
+ cvti2f xmmh, ufp1, srcSize=4, destSize=8, ext=2
+};
+
+def macroop CVTPI2PD_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, disp, dataSize=8
+ cvti2f xmml, ufp1, srcSize=4, destSize=8, ext=0
+ cvti2f xmmh, ufp1, srcSize=4, destSize=8, ext=2
+};
'''
diff --git a/src/arch/x86/isa/insts/simd64/integer/data_conversion.py b/src/arch/x86/isa/insts/simd64/integer/data_conversion.py
index f41049171..5b1c8703a 100644
--- a/src/arch/x86/isa/insts/simd64/integer/data_conversion.py
+++ b/src/arch/x86/isa/insts/simd64/integer/data_conversion.py
@@ -54,8 +54,7 @@
# Authors: Gabe Black
microcode = '''
-# CVTPI2PS
-# CVTPI2PD
+# CVTPI2PS and CVTPI2PD are implemented in simd128
# PI2FW
# PI2FD
'''