From 825c6e94826f080cbec1badbfab6f2e0c271c9cf Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Sun, 26 Jan 2014 18:40:44 +0000 Subject: target-arm: A64: Add FNEG and FABS to the SIMD 2-reg-misc group Add the SIMD FNEG and FABS instructions in the SIMD 2-reg-misc group. Signed-off-by: Peter Maydell --- target-arm/translate-a64.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) (limited to 'target-arm/translate-a64.c') diff --git a/target-arm/translate-a64.c b/target-arm/translate-a64.c index db89327404..797e36463e 100644 --- a/target-arm/translate-a64.c +++ b/target-arm/translate-a64.c @@ -6247,7 +6247,7 @@ static void handle_2misc_64(DisasContext *s, int opcode, bool u, { /* Handle 64->64 opcodes which are shared between the scalar and * vector 2-reg-misc groups. We cover every integer opcode where size == 3 - * is valid in either group. + * is valid in either group and also the double-precision fp ops. */ TCGCond cond; @@ -6285,6 +6285,12 @@ static void handle_2misc_64(DisasContext *s, int opcode, bool u, tcg_temp_free_i64(tcg_zero); } break; + case 0x2f: /* FABS */ + gen_helper_vfp_absd(tcg_rd, tcg_rn); + break; + case 0x6f: /* FNEG */ + gen_helper_vfp_negd(tcg_rd, tcg_rn); + break; default: g_assert_not_reached(); } @@ -7604,6 +7610,13 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) opcode |= (extract32(size, 1, 1) << 5) | (u << 6); size = extract32(size, 0, 1) ? 3 : 2; switch (opcode) { + case 0x2f: /* FABS */ + case 0x6f: /* FNEG */ + if (size == 3 && !is_q) { + unallocated_encoding(s); + return; + } + break; case 0x16: /* FCVTN, FCVTN2 */ case 0x17: /* FCVTL, FCVTL2 */ case 0x18: /* FRINTN */ @@ -7615,7 +7628,6 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) case 0x2c: /* FCMGT (zero) */ case 0x2d: /* FCMEQ (zero) */ case 0x2e: /* FCMLT (zero) */ - case 0x2f: /* FABS */ case 0x38: /* FRINTP */ case 0x39: /* FRINTZ */ case 0x3a: /* FCVTPS */ @@ -7631,7 +7643,6 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) case 0x5d: /* UCVTF */ case 0x6c: /* FCMGE (zero) */ case 0x6d: /* FCMLE (zero) */ - case 0x6f: /* FNEG */ case 0x79: /* FRINTI */ case 0x7a: /* FCVTPU */ case 0x7b: /* FCVTZU */ @@ -7708,6 +7719,12 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) tcg_temp_free_i32(tcg_zero); } break; + case 0x2f: /* FABS */ + gen_helper_vfp_abss(tcg_res, tcg_op); + break; + case 0x6f: /* FNEG */ + gen_helper_vfp_negs(tcg_res, tcg_op); + break; default: g_assert_not_reached(); } -- cgit v1.2.3