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authorGabe Black <gblack@eecs.umich.edu>2009-08-17 18:33:28 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-08-17 18:33:28 -0700
commit09eed9ff621b6101289bde78f8cda6f360f6ef52 (patch)
treee8bd040ebfb4678339e08ff5974374c8fa2383d9 /src
parent8d37ce8652574405c187f2b1a364c5fd30e7d9b9 (diff)
downloadgem5-09eed9ff621b6101289bde78f8cda6f360f6ef52.tar.xz
X86: Implement the media floating point max instructions.
Diffstat (limited to 'src')
-rw-r--r--src/arch/x86/isa/decoder/two_byte_opcodes.isa8
-rw-r--r--src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py74
2 files changed, 74 insertions, 8 deletions
diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
index 6a18e6c62..4c608264c 100644
--- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa
+++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa
@@ -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 --git a/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py b/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
index 5c4db2b69..17c97662c 100644
--- a/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
+++ b/src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
@@ -123,8 +123,74 @@ def macroop MINSD_XMM_P {
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