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From: Guillaume K. <gkn...@pr...> - 2010-04-09 20:35:05
|
Hi, I'm interested in working on e500 (PPC variant used on some Freescale SoC, and maybe in other places) support for Valgrind 3.5 I found two related posts on this ML archives (from the Valgrind 3.3 era) http://article.gmane.org/gmane.comp.debugging.valgrind.devel/2278 and http://article.gmane.org/gmane.comp.debugging.valgrind.devel/2729 Does anybody know what is a status of e500 support in Valgrind? What should I take a look at first to do the port? (I don't know anything about Valgrind internals) Trying to cross-compile Valgrind 3.5 I got the build time error m_dispatch/dispatch-ppc32-linux.S:142: Error: Unrecognized opcode: `stvx' [ ... more unrecognized opcodes follow ... ] Checking in my PowerPC e500 Core Family Reference Manual, they are not supported by the e500, so I obviously will need to do some changes there. Any idea if other changes would be needed? Cheers! -- Guillaume KNISPEL |
|
From: <sv...@va...> - 2010-04-09 16:10:44
|
Author: de
Date: 2010-04-09 17:10:35 +0100 (Fri, 09 Apr 2010)
New Revision: 1970
Log:
Tested BLENDPS
Added new SSE4 instructions DPPD and DPPS
Modified:
trunk/priv/guest_amd64_toIR.c
Modified: trunk/priv/guest_amd64_toIR.c
===================================================================
--- trunk/priv/guest_amd64_toIR.c 2010-04-02 14:15:58 UTC (rev 1969)
+++ trunk/priv/guest_amd64_toIR.c 2010-04-09 16:10:35 UTC (rev 1970)
@@ -13752,7 +13752,6 @@
}
- // UNTESTED
/* 66 0F 3A 0C /r ib = BLENDPS xmm1, xmm2/m128, imm8
Blend Packed Single Precision Floating-Point Values (XMM) */
if ( have66noF2noF3( pfx )
@@ -13801,7 +13800,132 @@
}
- // UNTESTED
+ /* 66 0F 3A 41 /r ib = DPPD xmm1, xmm2/m128, imm8
+ Dot Product of Packed Double Precision Floating-Point Values (XMM) */
+ if ( have66noF2noF3( pfx )
+ && sz == 2
+ && insn[0] == 0x0F && insn[1] == 0x3A && insn[2] == 0x41 ) {
+
+ Int imm8;
+ IRTemp src_vec = newTemp(Ity_V128);
+ IRTemp dst_vec = newTemp(Ity_V128);
+ IRTemp and_vec = newTemp(Ity_V128);
+ IRTemp sum_vec = newTemp(Ity_V128);
+
+ modrm = insn[3];
+
+ assign( dst_vec, getXMMReg( gregOfRexRM(pfx, modrm) ) );
+
+ if ( epartIsReg( modrm ) ) {
+ imm8 = (Int)insn[4];
+ assign( src_vec, getXMMReg( eregOfRexRM(pfx, modrm) ) );
+ delta += 3+1+1;
+ DIP( "dppd %s,%s,$%d\n",
+ nameXMMReg( eregOfRexRM(pfx, modrm) ),
+ nameXMMReg( gregOfRexRM(pfx, modrm) ),
+ imm8 );
+ } else {
+ addr = disAMode( &alen, vbi, pfx, delta+3, dis_buf,
+ 1/* imm8 is 1 byte after the amode */ );
+ assign( src_vec, loadLE( Ity_V128, mkexpr(addr) ) );
+ imm8 = (Int)insn[2+alen+1];
+ delta += 3+alen+1;
+ DIP( "dppd %s,%s$%d\n",
+ dis_buf, nameXMMReg( gregOfRexRM(pfx, modrm) ), imm8 );
+ }
+
+ UShort imm8_perms[4] = { 0x0000, 0x00FF, 0xFF00, 0xFFFF };
+
+ assign( and_vec, binop( Iop_AndV128,
+ binop( Iop_Mul64Fx2,
+ mkexpr(dst_vec), mkexpr(src_vec) ),
+ mkV128( imm8_perms[ ((imm8 >> 4) & 3) ] ) ) );
+
+ assign( sum_vec, binop( Iop_Add64F0x2,
+ binop( Iop_InterleaveHI64x2,
+ mkexpr(and_vec), mkexpr(and_vec) ),
+ binop( Iop_InterleaveLO64x2,
+ mkexpr(and_vec), mkexpr(and_vec) ) ) );
+
+ putXMMReg( gregOfRexRM( pfx, modrm ),
+ binop( Iop_AndV128,
+ binop( Iop_InterleaveLO64x2,
+ mkexpr(sum_vec), mkexpr(sum_vec) ),
+ mkV128( imm8_perms[ (imm8 & 3) ] ) ) );
+
+ goto decode_success;
+ }
+
+
+ /* 66 0F 3A 40 /r ib = DPPS xmm1, xmm2/m128, imm8
+ Dot Product of Packed Single Precision Floating-Point Values (XMM) */
+ if ( have66noF2noF3( pfx )
+ && sz == 2
+ && insn[0] == 0x0F
+ && insn[1] == 0x3A
+ && insn[2] == 0x40 ) {
+
+ Int imm8;
+ IRTemp xmm1_vec = newTemp(Ity_V128);
+ IRTemp xmm2_vec = newTemp(Ity_V128);
+ IRTemp tmp_prod_vec = newTemp(Ity_V128);
+ IRTemp prod_vec = newTemp(Ity_V128);
+ IRTemp sum_vec = newTemp(Ity_V128);
+ IRTemp v3, v2, v1, v0;
+ v3 = v2 = v1 = v0 = IRTemp_INVALID;
+
+ modrm = insn[3];
+
+ assign( xmm1_vec, getXMMReg( gregOfRexRM(pfx, modrm) ) );
+
+ if ( epartIsReg( modrm ) ) {
+ imm8 = (Int)insn[4];
+ assign( xmm2_vec, getXMMReg( eregOfRexRM(pfx, modrm) ) );
+ delta += 3+1+1;
+ DIP( "dpps %s,%s,$%d\n",
+ nameXMMReg( eregOfRexRM(pfx, modrm) ),
+ nameXMMReg( gregOfRexRM(pfx, modrm) ),
+ imm8 );
+ } else {
+ addr = disAMode( &alen, vbi, pfx, delta+3, dis_buf,
+ 1/* imm8 is 1 byte after the amode */ );
+ assign( xmm2_vec, loadLE( Ity_V128, mkexpr(addr) ) );
+ imm8 = (Int)insn[2+alen+1];
+ delta += 3+alen+1;
+ DIP( "dpps %s,%s$%d\n",
+ dis_buf, nameXMMReg( gregOfRexRM(pfx, modrm) ), imm8 );
+ }
+
+ UShort imm8_perms[16] = { 0x0000, 0x000F, 0x00F0, 0x00FF, 0x0F00,
+ 0x0F0F, 0x0FF0, 0x0FFF, 0xF000, 0xF00F,
+ 0xF0F0, 0xF0FF, 0xFF00, 0xFF0F, 0xFFF0, 0xFFFF };
+
+ assign( tmp_prod_vec,
+ binop( Iop_AndV128,
+ binop( Iop_Mul32Fx4, mkexpr(xmm1_vec), mkexpr(xmm2_vec) ),
+ mkV128( imm8_perms[((imm8 >> 4)& 15)] ) ) );
+ breakup128to32s( tmp_prod_vec, &v3, &v2, &v1, &v0 );
+ assign( prod_vec, mk128from32s( v3, v1, v2, v0 ) );
+
+ assign( sum_vec, binop( Iop_Add32Fx4,
+ binop( Iop_InterleaveHI32x4,
+ mkexpr(prod_vec), mkexpr(prod_vec) ),
+ binop( Iop_InterleaveLO32x4,
+ mkexpr(prod_vec), mkexpr(prod_vec) ) ) );
+
+ putXMMReg( gregOfRexRM(pfx, modrm),
+ binop( Iop_AndV128,
+ binop( Iop_Add32Fx4,
+ binop( Iop_InterleaveHI32x4,
+ mkexpr(sum_vec), mkexpr(sum_vec) ),
+ binop( Iop_InterleaveLO32x4,
+ mkexpr(sum_vec), mkexpr(sum_vec) ) ),
+ mkV128( imm8_perms[ (imm8 & 15) ] ) ) );
+
+ goto decode_success;
+ }
+
+
/* 66 0F 3A 21 /r ib = INSERTPS xmm1, xmm2/m32, imm8
Insert Packed Single Precision Floating-Point Value (XMM) */
if ( have66noF2noF3( pfx )
|