OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

target/ppc: Implement Vector Compare Equal Quadword

Browse Source 
Implement the following PowerISA v3.1 instructions:
vcmpequq: Vector Compare Equal Quadword

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20220225210936.1749575-12-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Matheus Ferst 2022-03-02 06:51:37 +01:00 committed by Cédric Le Goater
parent eb936dc074
commit 7b3da08e3c
2 changed files with 37 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
target/ppc/insn32.decode
View File

@ -382,6 +382,7 @@ VCMPEQUB 000100 ..... ..... ..... . 0000000110 @VC
VCMPEQUH 000100 ..... ..... ..... . 0001000110 @VC
VCMPEQUW 000100 ..... ..... ..... . 0010000110 @VC
VCMPEQUD 000100 ..... ..... ..... . 0011000111 @VC
VCMPEQUQ 000100 ..... ..... ..... . 0111000111 @VC
VCMPGTSB 000100 ..... ..... ..... . 1100000110 @VC
VCMPGTSH 000100 ..... ..... ..... . 1101000110 @VC

36
target/ppc/translate/vmx-impl.c.inc
View File

@ -1107,6 +1107,42 @@ TRANS(VCMPNEZB, do_vcmpnez, MO_8)
TRANS(VCMPNEZH, do_vcmpnez, MO_16)
TRANS(VCMPNEZW, do_vcmpnez, MO_32)
static bool trans_VCMPEQUQ(DisasContext *ctx, arg_VC *a)
{
TCGv_i64 t0, t1, t2;
t0 = tcg_temp_new_i64();
t1 = tcg_temp_new_i64();
t2 = tcg_temp_new_i64();
get_avr64(t0, a->vra, true);
get_avr64(t1, a->vrb, true);
tcg_gen_xor_i64(t2, t0, t1);
get_avr64(t0, a->vra, false);
get_avr64(t1, a->vrb, false);
tcg_gen_xor_i64(t1, t0, t1);
tcg_gen_or_i64(t1, t1, t2);
tcg_gen_setcondi_i64(TCG_COND_EQ, t1, t1, 0);
tcg_gen_neg_i64(t1, t1);
set_avr64(a->vrt, t1, true);
set_avr64(a->vrt, t1, false);
if (a->rc) {
tcg_gen_extrl_i64_i32(cpu_crf[6], t1);
tcg_gen_andi_i32(cpu_crf[6], cpu_crf[6], 0xa);
tcg_gen_xori_i32(cpu_crf[6], cpu_crf[6], 0x2);
}
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
tcg_temp_free_i64(t2);
return true;
}
GEN_VXRFORM(vcmpeqfp, 3, 3)
GEN_VXRFORM(vcmpgefp, 3, 7)
GEN_VXRFORM(vcmpgtfp, 3, 11)