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target/ppc: Move VMH[R]ADDSHS instruction to decodetree 

This patch moves VMHADDSHS and VMHRADDSHS to decodetree I couldn't find
a satisfactory implementation with TCG inline.

vmhaddshs:
rept    loop    master             patch
8       12500   0,02983400         0,02648500 (-11.2%)
25      4000    0,02946000         0,02518000 (-14.5%)
100     1000    0,03104300         0,02638000 (-15.0%)
500     200     0,04002000         0,03502500 (-12.5%)
2500    40      0,08090100         0,07562200 (-6.5%)
8000    12      0,19242600         0,18626800 (-3.2%)

vmhraddshs:
rept    loop    master             patch
8       12500   0,03078600         0,02851000 (-7.4%)
25      4000    0,02793200         0,02746900 (-1.7%)
100     1000    0,02886000         0,02839900 (-1.6%)
500     200     0,03714700         0,03799200 (+2.3%)
2500    40      0,07948000         0,07852200 (-1.2%)
8000    12      0,19049800         0,18813900 (-1.2%)

Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20221019125040.48028-3-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 09:50:30 -03:00 committed by Daniel Henrique Barboza
parent dc46167a22
commit 306e475335
5 changed files with 9 additions and 7 deletions
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4
target/ppc/helper.h
View File

@ -258,8 +258,8 @@ DEF_HELPER_4(vpkuhum, void, env, avr, avr, avr)
DEF_HELPER_4(vpkuwum, void, env, avr, avr, avr)
DEF_HELPER_4(vpkudum, void, env, avr, avr, avr)
DEF_HELPER_FLAGS_3(vpkpx, TCG_CALL_NO_RWG, void, avr, avr, avr)
DEF_HELPER_5(vmhaddshs, void, env, avr, avr, avr, avr)
DEF_HELPER_5(vmhraddshs, void, env, avr, avr, avr, avr)
DEF_HELPER_5(VMHADDSHS, void, env, avr, avr, avr, avr)
DEF_HELPER_5(VMHRADDSHS, void, env, avr, avr, avr, avr)
DEF_HELPER_FLAGS_4(VMSUMUHM, TCG_CALL_NO_RWG, void, avr, avr, avr, avr)
DEF_HELPER_5(VMSUMUHS, void, env, avr, avr, avr, avr)
DEF_HELPER_FLAGS_4(VMSUMSHM, TCG_CALL_NO_RWG, void, avr, avr, avr, avr)

2
target/ppc/insn32.decode
View File

@ -694,6 +694,8 @@ VMSUMCUD 000100 ..... ..... ..... ..... 010111 @VA
VMSUMUDM 000100 ..... ..... ..... ..... 100011 @VA
VMLADDUHM 000100 ..... ..... ..... ..... 100010 @VA
VMHADDSHS 000100 ..... ..... ..... ..... 100000 @VA
VMHRADDSHS 000100 ..... ..... ..... ..... 100001 @VA
## Vector String Instructions

4
target/ppc/int_helper.c
View File

@ -939,7 +939,7 @@ target_ulong helper_vctzlsbb(ppc_avr_t *r)
return count;
}
void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
void helper_VMHADDSHS(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
ppc_avr_t *b, ppc_avr_t *c)
{
int sat = 0;
@ -957,7 +957,7 @@ void helper_vmhaddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
}
}
void helper_vmhraddshs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
void helper_VMHRADDSHS(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a,
ppc_avr_t *b, ppc_avr_t *c)
{
int sat = 0;

5
target/ppc/translate/vmx-impl.c.inc
View File

@ -2521,7 +2521,7 @@ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \
tcg_temp_free_ptr(rd); \
}
GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16)
GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23)
static bool do_va_helper(DisasContext *ctx, arg_VA *a,
void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr))
@ -2620,7 +2620,8 @@ static bool do_va_env_helper(DisasContext *ctx, arg_VA *a,
TRANS_FLAGS(ALTIVEC, VMSUMUHS, do_va_env_helper, gen_helper_VMSUMUHS)
TRANS_FLAGS(ALTIVEC, VMSUMSHS, do_va_env_helper, gen_helper_VMSUMSHS)
GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23)
TRANS_FLAGS(ALTIVEC, VMHADDSHS, do_va_env_helper, gen_helper_VMHADDSHS)
TRANS_FLAGS(ALTIVEC, VMHRADDSHS, do_va_env_helper, gen_helper_VMHRADDSHS)
GEN_VXFORM_NOA(vclzb, 1, 28)
GEN_VXFORM_NOA(vclzh, 1, 29)

1
target/ppc/translate/vmx-ops.c.inc
View File

@ -219,7 +219,6 @@ GEN_VXFORM_UIMM(vctsxs, 5, 15),
#define GEN_VAFORM_PAIRED(name0, name1, opc2) \
GEN_HANDLER(name0##_##name1, 0x04, opc2, 0xFF, 0x00000000, PPC_ALTIVEC)
GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16),
GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23),
GEN_VXFORM_DUAL(vclzb, vpopcntb, 1, 28, PPC_NONE, PPC2_ALTIVEC_207),