From c3025c3b0aa6baea66be11fa97c5ecbcbff09677 Mon Sep 17 00:00:00 2001 From: Jose Ricardo Ziviani Date: Fri, 25 Nov 2016 01:53:32 -0200 Subject: [PATCH] target-ppc: Implement bcdcpsgn. instruction bcdcpsgn.: Decimal copy sign. Given two registers vra and vrb, it copies the vra value with vrb sign to the result register vrt. Signed-off-by: Jose Ricardo Ziviani Reviewed-by: David Gibson Signed-off-by: David Gibson --- target/ppc/helper.h | 1 + target/ppc/int_helper.c | 23 +++++++++++++++++++++++ target/ppc/translate/vmx-impl.inc.c | 3 +++ target/ppc/translate/vmx-ops.inc.c | 2 +- 4 files changed, 28 insertions(+), 1 deletion(-) diff --git a/target/ppc/helper.h b/target/ppc/helper.h index daf5a6e973..7957633961 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -379,6 +379,7 @@ DEF_HELPER_3(bcdcfz, i32, avr, avr, i32) DEF_HELPER_3(bcdctz, i32, avr, avr, i32) DEF_HELPER_3(bcdcfsq, i32, avr, avr, i32) DEF_HELPER_3(bcdctsq, i32, avr, avr, i32) +DEF_HELPER_4(bcdcpsgn, i32, avr, avr, avr, i32) DEF_HELPER_2(xsadddp, void, env, i32) DEF_HELPER_2(xssubdp, void, env, i32) diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index fa7cfddab2..61762eebec 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -2920,6 +2920,29 @@ uint32_t helper_bcdctsq(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) return cr; } +uint32_t helper_bcdcpsgn(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) +{ + int i; + int invalid = 0; + + if (bcd_get_sgn(a) == 0 || bcd_get_sgn(b) == 0) { + return CRF_SO; + } + + *r = *a; + bcd_put_digit(r, b->u8[BCD_DIG_BYTE(0)] & 0xF, 0); + + for (i = 1; i < 32; i++) { + bcd_get_digit(a, i, &invalid); + bcd_get_digit(b, i, &invalid); + if (unlikely(invalid)) { + return CRF_SO; + } + } + + return bcd_cmp_zero(r); +} + void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a) { int i; diff --git a/target/ppc/translate/vmx-impl.inc.c b/target/ppc/translate/vmx-impl.inc.c index 1579b58146..c14b6662fd 100644 --- a/target/ppc/translate/vmx-impl.inc.c +++ b/target/ppc/translate/vmx-impl.inc.c @@ -991,6 +991,7 @@ GEN_BCD2(bcdcfz) GEN_BCD2(bcdctz) GEN_BCD2(bcdcfsq) GEN_BCD2(bcdctsq) +GEN_BCD(bcdcpsgn); static void gen_xpnd04_1(DisasContext *ctx) { @@ -1056,6 +1057,8 @@ GEN_VXFORM_DUAL(vsubuhm, PPC_ALTIVEC, PPC_NONE, \ bcdsub, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vsubuhs, PPC_ALTIVEC, PPC_NONE, \ bcdsub, PPC_NONE, PPC2_ALTIVEC_207) +GEN_VXFORM_DUAL(vaddshs, PPC_ALTIVEC, PPC_NONE, \ + bcdcpsgn, PPC_NONE, PPC2_ISA300) static void gen_vsbox(DisasContext *ctx) { diff --git a/target/ppc/translate/vmx-ops.inc.c b/target/ppc/translate/vmx-ops.inc.c index f02b3bed50..70d7d2b6ce 100644 --- a/target/ppc/translate/vmx-ops.inc.c +++ b/target/ppc/translate/vmx-ops.inc.c @@ -131,7 +131,7 @@ GEN_VXFORM_DUAL(vaddubs, vmul10uq, 0, 8, PPC_ALTIVEC, PPC_NONE), GEN_VXFORM_DUAL(vadduhs, vmul10euq, 0, 9, PPC_ALTIVEC, PPC_NONE), GEN_VXFORM(vadduws, 0, 10), GEN_VXFORM(vaddsbs, 0, 12), -GEN_VXFORM(vaddshs, 0, 13), +GEN_VXFORM_DUAL(vaddshs, bcdcpsgn, 0, 13, PPC_ALTIVEC, PPC_NONE), GEN_VXFORM(vaddsws, 0, 14), GEN_VXFORM_DUAL(vsububs, bcdadd, 0, 24, PPC_ALTIVEC, PPC_NONE), GEN_VXFORM_DUAL(vsubuhs, bcdsub, 0, 25, PPC_ALTIVEC, PPC_NONE),