[Qemu-devel] [6087] target-ppc: add Altivec logical operations

[Qemu-devel] [6087] target-ppc: add Altivec logical operations

[Aurelien Jarno]

Revision: 6087
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6087
Author:   aurel32
Date:     2008-12-18 22:42:58 +0000 (Thu, 18 Dec 2008)

Log Message:
-----------
target-ppc: add Altivec logical operations

Use opc2/opc3 instead of one big xo field.  Do this consistency with the
rest of translate.c

Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

Modified Paths:
--------------
    trunk/target-ppc/translate.c

Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c	2008-12-18 22:42:51 UTC (rev 6086)
+++ trunk/target-ppc/translate.c	2008-12-18 22:42:58 UTC (rev 6087)
@@ -6139,6 +6139,24 @@
 /* As we don't emulate the cache, stvxl is stricly equivalent to stvx */
 GEN_VR_STX(svxl, 0x07, 0x0F);
 
+/* Logical operations */
+#define GEN_VX_LOGICAL(name, tcg_op, opc2, opc3)                        \
+GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC)            \
+{                                                                       \
+    if (unlikely(!ctx->altivec_enabled)) {                              \
+        gen_exception(ctx, POWERPC_EXCP_VPU);                           \
+        return;                                                         \
+    }                                                                   \
+    tcg_op(cpu_avrh[rD(ctx->opcode)], cpu_avrh[rA(ctx->opcode)], cpu_avrh[rB(ctx->opcode)]); \
+    tcg_op(cpu_avrl[rD(ctx->opcode)], cpu_avrl[rA(ctx->opcode)], cpu_avrl[rB(ctx->opcode)]); \
+}
+
+GEN_VX_LOGICAL(vand, tcg_gen_and_i64, 2, 16);
+GEN_VX_LOGICAL(vandc, tcg_gen_andc_i64, 2, 17);
+GEN_VX_LOGICAL(vor, tcg_gen_or_i64, 2, 18);
+GEN_VX_LOGICAL(vxor, tcg_gen_xor_i64, 2, 19);
+GEN_VX_LOGICAL(vnor, tcg_gen_nor_i64, 2, 20);
+
 /***                           SPE extension                               ***/
 /* Register moves */