changeset d6ae13f56801 in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=d6ae13f56801
description:
X86: Implement the media floating point min instructions.
diffstat:
2 files changed, 76 insertions(+), 11 deletions(-)
src/arch/x86/isa/decoder/two_byte_opcodes.isa
| 12 -
src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
| 75 +++++++++-
diffs (143 lines):
diff -r 130e3dd23eab -r d6ae13f56801
src/arch/x86/isa/decoder/two_byte_opcodes.isa
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:32:09
2009 -0700
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa Mon Aug 17 18:32:12
2009 -0700
@@ -509,7 +509,7 @@
0x2: cvtps2pd_Vo_Wq();
0x3: cvtdq2ps_Vo_Wo();
0x4: subps_Vo_Wo();
- 0x5: minps_Vo_Wo();
+ 0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
0x7: maxps_Vo_Wo();
}
@@ -520,7 +520,7 @@
0x2: cvtss2sd_Vq_Wd();
0x3: cvttps2dq_Vo_Wo();
0x4: subss_Vd_Wd();
- 0x5: minss_Vd_Wd();
+ 0x5: Inst::MINSS(Vd,Wd);
0x6: divss_Vd_Wd();
0x7: maxss_Vd_Wd();
}
@@ -531,7 +531,7 @@
0x2: cvtpd2ps_Vo_Wo();
0x3: cvtps2dq_Vo_Wo();
0x4: subpd_Vo_Wo();
- 0x5: minpd_Vo_Wo();
+ 0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
0x7: maxpd_Vo_Wo();
}
@@ -541,7 +541,7 @@
0x1: Inst::MULSD(Vq,Wq);
0x2: cvtsd2ss_Vd_Wq();
0x4: Inst::SUBSD(Vq,Wq);
- 0x5: minsd_Vq_Wq();
+ 0x5: Inst::MINSD(Vq,Wq);
0x6: Inst::DIVSD(Vq,Wq);
0x7: maxsd_Vq_Wq();
default: Inst::UD2();
@@ -916,7 +916,7 @@
0x2: cmpccps_Vo_Wo_Ib();
0x3: cvtdq2ps_Vo_Wo();
0x4: subps_Vo_Wo();
- 0x5: minps_Vo_Wo();
+ 0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
}
// repe (0xF3)
@@ -928,7 +928,7 @@
0x1: decode OPCODE_OP_BOTTOM3 {
0x2: cmpccpd_Vo_Wo_Ib();
0x4: subpd_Vo_Wo();
- 0x5: minpd_Vo_Wo();
+ 0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
default: Inst::UD2();
}
diff -r 130e3dd23eab -r d6ae13f56801
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 18:32:09 2009 -0700
+++
b/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
Mon Aug 17 18:32:12 2009 -0700
@@ -54,12 +54,77 @@
# Authors: Gabe Black
microcode = '''
+def macroop MINPS_XMM_XMM {
+ mminf xmml, xmml, xmmlm, ext=0, size=4
+ mminf xmmh, xmmh, xmmhm, ext=0, size=4
+};
+
+def macroop MINPS_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ mminf xmml, xmml, ufp1, ext=0, size=4
+ mminf xmmh, xmmh, ufp2, ext=0, size=4
+};
+
+def macroop MINPS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ mminf xmml, xmml, ufp1, ext=0, size=4
+ mminf xmmh, xmmh, ufp2, ext=0, size=4
+};
+
+def macroop MINPD_XMM_XMM {
+ mminf xmml, xmml, xmmlm, ext=0, size=8
+ mminf xmmh, xmmh, xmmhm, ext=0, size=8
+};
+
+def macroop MINPD_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
+ mminf xmml, xmml, ufp1, ext=0, size=8
+ mminf xmmh, xmmh, ufp2, ext=0, size=8
+};
+
+def macroop MINPD_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
+ mminf xmml, xmml, ufp1, ext=0, size=8
+ mminf xmmh, xmmh, ufp2, ext=0, size=8
+};
+
+def macroop MINSS_XMM_XMM {
+ mminf xmml, xmml, xmmlm, ext=1, size=4
+};
+
+def macroop MINSS_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ mminf xmml, xmml, ufp1, ext=1, size=4
+};
+
+def macroop MINSS_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ mminf xmml, xmml, ufp1, ext=1, size=4
+};
+
+def macroop MINSD_XMM_XMM {
+ mminf xmml, xmml, xmmlm, ext=1, size=8
+};
+
+def macroop MINSD_XMM_M {
+ ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
+ mminf xmml, xmml, ufp1, ext=1, size=8
+};
+
+def macroop MINSD_XMM_P {
+ rdip t7
+ ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
+ mminf xmml, xmml, ufp1, ext=1, size=8
+};
+'''
# MAXPS
# MAXPD
# MAXSS
# MAXSD
-# MINPS
-# MINPD
-# MINSS
-# MINSD
-'''
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