changeset 52b4167056ed in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=52b4167056ed
description:
X86: Implement the media floating point max instructions.
diffstat:
2 files changed, 74 insertions(+), 8 deletions(-)
src/arch/x86/isa/decoder/two_byte_opcodes.isa
| 8 -
src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
| 74 +++++++++-
diffs (121 lines):
diff -r 9754d16c242c -r 52b4167056ed
src/arch/x86/isa/decoder/two_byte_opcodes.isa
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:33:25
2009 -0700
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:33:28
2009 -0700
@@ -511,7 +511,7 @@
0x4: subps_Vo_Wo();
0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
- 0x7: maxps_Vo_Wo();
+ 0x7: Inst::MAXPS(Vo,Wo);
}
// repe (0xF3)
0x4: decode OPCODE_OP_BOTTOM3 {
@@ -522,7 +522,7 @@
0x4: subss_Vd_Wd();
0x5: Inst::MINSS(Vd,Wd);
0x6: divss_Vd_Wd();
- 0x7: maxss_Vd_Wd();
+ 0x7: Inst::MAXSS(Vd,Wd);
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
@@ -533,7 +533,7 @@
0x4: subpd_Vo_Wo();
0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
- 0x7: maxpd_Vo_Wo();
+ 0x7: Inst::MAXPD(Vo,Wo);
}
// repne (0xF2)
0x8: decode OPCODE_OP_BOTTOM3 {
@@ -543,7 +543,7 @@
0x4: Inst::SUBSD(Vq,Wq);
0x5: Inst::MINSD(Vq,Wq);
0x6: Inst::DIVSD(Vq,Wq);
- 0x7: maxsd_Vq_Wq();
+ 0x7: Inst::MAXSD(Vq,Wq);
default: Inst::UD2();
}
default: Inst::UD2();
diff -r 9754d16c242c -r 52b4167056ed
src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
---
a/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
Mon Aug 17 18:33:25 2009 -0700
+++
b/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
Mon Aug 17 18:33:28 2009 -0700
@@ -123,8 +123,74 @@
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
mminf xmml, xmml, ufp1, ext=1, size=8
};
+
+def macroop MAXPS_XMM_XMM {
+ mmaxf xmml, xmml, xmmlm, ext=0, size=4
+ mmaxf xmmh, xmmh, xmmhm, ext=0, size=4
+};
+
+def macroop MAXPS_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ mmaxf xmml, xmml, ufp1, ext=0, size=4
+ mmaxf xmmh, xmmh, ufp2, ext=0, size=4
+};
+
+def macroop MAXPS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ mmaxf xmml, xmml, ufp1, ext=0, size=4
+ mmaxf xmmh, xmmh, ufp2, ext=0, size=4
+};
+
+def macroop MAXPD_XMM_XMM {
+ mmaxf xmml, xmml, xmmlm, ext=0, size=8
+ mmaxf xmmh, xmmh, xmmhm, ext=0, size=8
+};
+
+def macroop MAXPD_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ mmaxf xmml, xmml, ufp1, ext=0, size=8
+ mmaxf xmmh, xmmh, ufp2, ext=0, size=8
+};
+
+def macroop MAXPD_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ mmaxf xmml, xmml, ufp1, ext=0, size=8
+ mmaxf xmmh, xmmh, ufp2, ext=0, size=8
+};
+
+def macroop MAXSS_XMM_XMM {
+ mmaxf xmml, xmml, xmmlm, ext=1, size=4
+};
+
+def macroop MAXSS_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ mmaxf xmml, xmml, ufp1, ext=1, size=4
+};
+
+def macroop MAXSS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ mmaxf xmml, xmml, ufp1, ext=1, size=4
+};
+
+def macroop MAXSD_XMM_XMM {
+ mmaxf xmml, xmml, xmmlm, ext=1, size=8
+};
+
+def macroop MAXSD_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ mmaxf xmml, xmml, ufp1, ext=1, size=8
+};
+
+def macroop MAXSD_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ mmaxf xmml, xmml, ufp1, ext=1, size=8
+};
'''
-# MAXPS
-# MAXPD
-# MAXSS
-# MAXSD
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