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Add xxsldwi 

This patch adds the VSX Shift Left Double by Word Immediate
(xxsldwi) instruction.

Signed-off-by: Tom Musta <tommusta@gmail.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Tom Musta 2013-11-01 08:21:23 -05:00 committed by Alexander Graf
parent 76c15fe0bd
commit acc429682c
1 changed files with 62 additions and 0 deletions
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62
target-ppc/translate.c
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@ -500,6 +500,7 @@ EXTRACT_HELPER_SPLIT(xB, 1, 1, 11, 5);
EXTRACT_HELPER_SPLIT(xC, 3, 1, 6, 5);
EXTRACT_HELPER(DM, 8, 2);
EXTRACT_HELPER(UIM, 16, 2);
EXTRACT_HELPER(SHW, 8, 2);
/*****************************************************************************/
/* PowerPC instructions table */
@ -7388,6 +7389,66 @@ static void gen_xxspltw(DisasContext *ctx)
tcg_temp_free(b2);
}
static void gen_xxsldwi(DisasContext *ctx)
{
TCGv_i64 xth, xtl;
if (unlikely(!ctx->vsx_enabled)) {
gen_exception(ctx, POWERPC_EXCP_VSXU);
return;
}
xth = tcg_temp_new();
xtl = tcg_temp_new();
switch (SHW(ctx->opcode)) {
case 0: {
tcg_gen_mov_i64(xth, cpu_vsrh(xA(ctx->opcode)));
tcg_gen_mov_i64(xtl, cpu_vsrl(xA(ctx->opcode)));
break;
}
case 1: {
TCGv_i64 t0 = tcg_temp_new();
tcg_gen_mov_i64(xth, cpu_vsrh(xA(ctx->opcode)));
tcg_gen_shli_i64(xth, xth, 32);
tcg_gen_mov_i64(t0, cpu_vsrl(xA(ctx->opcode)));
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_or_i64(xth, xth, t0);
tcg_gen_mov_i64(xtl, cpu_vsrl(xA(ctx->opcode)));
tcg_gen_shli_i64(xtl, xtl, 32);
tcg_gen_mov_i64(t0, cpu_vsrh(xB(ctx->opcode)));
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_or_i64(xtl, xtl, t0);
tcg_temp_free(t0);
break;
}
case 2: {
tcg_gen_mov_i64(xth, cpu_vsrl(xA(ctx->opcode)));
tcg_gen_mov_i64(xtl, cpu_vsrh(xB(ctx->opcode)));
break;
}
case 3: {
TCGv_i64 t0 = tcg_temp_new();
tcg_gen_mov_i64(xth, cpu_vsrl(xA(ctx->opcode)));
tcg_gen_shli_i64(xth, xth, 32);
tcg_gen_mov_i64(t0, cpu_vsrh(xB(ctx->opcode)));
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_or_i64(xth, xth, t0);
tcg_gen_mov_i64(xtl, cpu_vsrh(xB(ctx->opcode)));
tcg_gen_shli_i64(xtl, xtl, 32);
tcg_gen_mov_i64(t0, cpu_vsrl(xB(ctx->opcode)));
tcg_gen_shri_i64(t0, t0, 32);
tcg_gen_or_i64(xtl, xtl, t0);
tcg_temp_free(t0);
break;
}
}
tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), xth);
tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), xtl);
tcg_temp_free(xth);
tcg_temp_free(xtl);
}
/*** SPE extension ***/
/* Register moves */
@ -9903,6 +9964,7 @@ VSX_LOGICAL(xxlnor, 0x8, 0x14, PPC2_VSX),
GEN_XX3FORM(xxmrghw, 0x08, 0x02, PPC2_VSX),
GEN_XX3FORM(xxmrglw, 0x08, 0x06, PPC2_VSX),
GEN_XX2FORM(xxspltw, 0x08, 0x0A, PPC2_VSX),
GEN_XX3FORM_DM(xxsldwi, 0x08, 0x00),
#define GEN_XXSEL_ROW(opc3) \
GEN_HANDLER2_E(xxsel, "xxsel", 0x3C, 0x18, opc3, 0, PPC_NONE, PPC2_VSX), \