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target/ppc: Move VNEG[WD] to decodtree and use gvec 

Moved the instructions VNEGW and VNEGD to decodetree and used gvec to
decode it.

vnegw:
rept    loop    master             patch
8       12500   0,01053200         0,00548400 (-47.9%)
25      4000    0,01030500         0,00390000 (-62.2%)
100     1000    0,01096300         0,00395400 (-63.9%)
500     200     0,01472000         0,00712300 (-51.6%)
2500    40      0,03809000         0,02147700 (-43.6%)
8000    12      0,09957100         0,06202100 (-37.7%)

vnegd:
rept    loop    master             patch
8       12500   0,00594600         0,00543800 (-8.5%)
25      4000    0,00575200         0,00396400 (-31.1%)
100     1000    0,00676100         0,00394800 (-41.6%)
500     200     0,01149300         0,00709400 (-38.3%)
2500    40      0,03441500         0,02169600 (-37.0%)
8000    12      0,09516900         0,06337000 (-33.4%)

Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221019125040.48028-5-lucas.araujo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
This commit is contained in:
Lucas Mateus Castro (alqotel) 2022-10-19 09:50:32 -03:00 committed by Daniel Henrique Barboza
parent 611bc69bf6
commit 90b5aadb09
5 changed files with 16 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
target/ppc/helper.h
View File

@ -229,8 +229,6 @@ DEF_HELPER_FLAGS_2(VSTRIBL, TCG_CALL_NO_RWG, i32, avr, avr)
DEF_HELPER_FLAGS_2(VSTRIBR, TCG_CALL_NO_RWG, i32, avr, avr)
DEF_HELPER_FLAGS_2(VSTRIHL, TCG_CALL_NO_RWG, i32, avr, avr)
DEF_HELPER_FLAGS_2(VSTRIHR, TCG_CALL_NO_RWG, i32, avr, avr)
DEF_HELPER_FLAGS_2(vnegw, TCG_CALL_NO_RWG, void, avr, avr)
DEF_HELPER_FLAGS_2(vnegd, TCG_CALL_NO_RWG, void, avr, avr)
DEF_HELPER_FLAGS_2(vupkhpx, TCG_CALL_NO_RWG, void, avr, avr)
DEF_HELPER_FLAGS_2(vupklpx, TCG_CALL_NO_RWG, void, avr, avr)
DEF_HELPER_FLAGS_2(vupkhsb, TCG_CALL_NO_RWG, void, avr, avr)

3
target/ppc/insn32.decode
View File

@ -629,6 +629,9 @@ VEXTSH2D 000100 ..... 11001 ..... 11000000010 @VX_tb
VEXTSW2D 000100 ..... 11010 ..... 11000000010 @VX_tb
VEXTSD2Q 000100 ..... 11011 ..... 11000000010 @VX_tb
VNEGD 000100 ..... 00111 ..... 11000000010 @VX_tb
VNEGW 000100 ..... 00110 ..... 11000000010 @VX_tb
## Vector Mask Manipulation Instructions
MTVSRBM 000100 ..... 10000 ..... 11001000010 @VX_tb

12
target/ppc/int_helper.c
View File

@ -1928,18 +1928,6 @@ XXBLEND(W, 32)
XXBLEND(D, 64)
#undef XXBLEND
#define VNEG(name, element) \
void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \
{ \
int i; \
for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
r->element[i] = -b->element[i]; \
} \
}
VNEG(vnegw, s32)
VNEG(vnegd, s64)
#undef VNEG
void helper_vsro(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
{
int sh = (b->VsrB(0xf) >> 3) & 0xf;

15
target/ppc/translate/vmx-impl.c.inc
View File

@ -2625,8 +2625,19 @@ GEN_VXFORM_NOA(vclzb, 1, 28)
GEN_VXFORM_NOA(vclzh, 1, 29)
GEN_VXFORM_TRANS(vclzw, 1, 30)
GEN_VXFORM_TRANS(vclzd, 1, 31)
GEN_VXFORM_NOA_2(vnegw, 1, 24, 6)
GEN_VXFORM_NOA_2(vnegd, 1, 24, 7)
static bool do_vneg(DisasContext *ctx, arg_VX_tb *a, unsigned vece)
{
REQUIRE_INSNS_FLAGS2(ctx, ISA300);
REQUIRE_VECTOR(ctx);
tcg_gen_gvec_neg(vece, avr_full_offset(a->vrt), avr_full_offset(a->vrb),
16, 16);
return true;
}
TRANS(VNEGW, do_vneg, MO_32)
TRANS(VNEGD, do_vneg, MO_64)
static void gen_vexts_i64(TCGv_i64 t, TCGv_i64 b, int64_t s)
{

2
target/ppc/translate/vmx-ops.c.inc
View File

@ -181,8 +181,6 @@ GEN_VXFORM_300_EXT(vextractd, 6, 11, 0x100000),
GEN_VXFORM(vspltisb, 6, 12),
GEN_VXFORM(vspltish, 6, 13),
GEN_VXFORM(vspltisw, 6, 14),
GEN_VXFORM_300_EO(vnegw, 0x01, 0x18, 0x06),
GEN_VXFORM_300_EO(vnegd, 0x01, 0x18, 0x07),
GEN_VXFORM_300_EO(vctzb, 0x01, 0x18, 0x1C),
GEN_VXFORM_300_EO(vctzh, 0x01, 0x18, 0x1D),
GEN_VXFORM_300_EO(vctzw, 0x01, 0x18, 0x1E),