From 9bb0048ec6f8f3bcc144b2c5769d9301e824f946 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Fri, 15 Feb 2019 10:00:48 +0000 Subject: [PATCH] target/ppc: convert xxspltw to vector operations Signed-off-by: Richard Henderson Acked-by: David Gibson Message-Id: <20190215100058.20015-8-mark.cave-ayland@ilande.co.uk> Signed-off-by: David Gibson --- target/ppc/translate/vsx-impl.inc.c | 36 +++++++++-------------------- 1 file changed, 11 insertions(+), 25 deletions(-) diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 944fc0608a..0e8cecb00a 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1359,38 +1359,24 @@ static void gen_xxsel(DisasContext * ctx) static void gen_xxspltw(DisasContext *ctx) { - TCGv_i64 b, b2; - TCGv_i64 vsr; + int rt = xT(ctx->opcode); + int rb = xB(ctx->opcode); + int uim = UIM(ctx->opcode); + int tofs, bofs; if (unlikely(!ctx->vsx_enabled)) { gen_exception(ctx, POWERPC_EXCP_VSXU); return; } - vsr = tcg_temp_new_i64(); - if (UIM(ctx->opcode) & 2) { - get_cpu_vsrl(vsr, xB(ctx->opcode)); - } else { - get_cpu_vsrh(vsr, xB(ctx->opcode)); - } + tofs = vsr_full_offset(rt); + bofs = vsr_full_offset(rb); + bofs += uim << MO_32; +#ifndef HOST_WORDS_BIG_ENDIAN + bofs ^= 8 | 4; +#endif - b = tcg_temp_new_i64(); - b2 = tcg_temp_new_i64(); - - if (UIM(ctx->opcode) & 1) { - tcg_gen_ext32u_i64(b, vsr); - } else { - tcg_gen_shri_i64(b, vsr, 32); - } - - tcg_gen_shli_i64(b2, b, 32); - tcg_gen_or_i64(vsr, b, b2); - set_cpu_vsrh(xT(ctx->opcode), vsr); - set_cpu_vsrl(xT(ctx->opcode), vsr); - - tcg_temp_free_i64(vsr); - tcg_temp_free_i64(b); - tcg_temp_free_i64(b2); + tcg_gen_gvec_dup_mem(MO_32, tofs, bofs, 16, 16); } #define pattern(x) (((x) & 0xff) * (~(uint64_t)0 / 0xff))