diff options
author | Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> | 2019-01-30 20:36:33 +0000 |
---|---|---|
committer | David Gibson <david@gibson.dropbear.id.au> | 2019-02-04 18:44:19 +1100 |
commit | 4fbc89edc192931364d183dc4051f54dd1f58cf3 (patch) | |
tree | 3a6bf405b142a74703f5e225da6a0043341fa121 /target | |
parent | d81c20404e2254e2f56d649c978c7fd6b28c3394 (diff) |
target/ppc: rework vmul{e,o}{s,u}{b,h,w} instructions to use Vsr* macros
The current implementations make use of the endian-specific macros HI_IDX and
LO_IDX directly to calculate array offsets.
Rework the implementation to use the Vsr* macros so that these per-endian
references can be removed.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target')
-rw-r--r-- | target/ppc/int_helper.c | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index fe418b3393..e531af5294 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -1104,33 +1104,39 @@ void helper_vmsumuhs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, } } -#define VMUL_DO(name, mul_element, prod_element, cast, evenp) \ +#define VMUL_DO_EVN(name, mul_element, mul_access, prod_access, cast) \ void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ { \ int i; \ \ - VECTOR_FOR_INORDER_I(i, prod_element) { \ - if (evenp) { \ - r->prod_element[i] = \ - (cast)a->mul_element[i * 2 + HI_IDX] * \ - (cast)b->mul_element[i * 2 + HI_IDX]; \ - } else { \ - r->prod_element[i] = \ - (cast)a->mul_element[i * 2 + LO_IDX] * \ - (cast)b->mul_element[i * 2 + LO_IDX]; \ - } \ + for (i = 0; i < ARRAY_SIZE(r->mul_element); i += 2) { \ + r->prod_access(i >> 1) = (cast)a->mul_access(i) * \ + (cast)b->mul_access(i); \ + } \ + } + +#define VMUL_DO_ODD(name, mul_element, mul_access, prod_access, cast) \ + void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ + { \ + int i; \ + \ + for (i = 0; i < ARRAY_SIZE(r->mul_element); i += 2) { \ + r->prod_access(i >> 1) = (cast)a->mul_access(i + 1) * \ + (cast)b->mul_access(i + 1); \ } \ } -#define VMUL(suffix, mul_element, prod_element, cast) \ - VMUL_DO(mule##suffix, mul_element, prod_element, cast, 1) \ - VMUL_DO(mulo##suffix, mul_element, prod_element, cast, 0) -VMUL(sb, s8, s16, int16_t) -VMUL(sh, s16, s32, int32_t) -VMUL(sw, s32, s64, int64_t) -VMUL(ub, u8, u16, uint16_t) -VMUL(uh, u16, u32, uint32_t) -VMUL(uw, u32, u64, uint64_t) -#undef VMUL_DO + +#define VMUL(suffix, mul_element, mul_access, prod_access, cast) \ + VMUL_DO_EVN(mule##suffix, mul_element, mul_access, prod_access, cast) \ + VMUL_DO_ODD(mulo##suffix, mul_element, mul_access, prod_access, cast) +VMUL(sb, s8, VsrSB, VsrSH, int16_t) +VMUL(sh, s16, VsrSH, VsrSW, int32_t) +VMUL(sw, s32, VsrSW, VsrSD, int64_t) +VMUL(ub, u8, VsrB, VsrH, uint16_t) +VMUL(uh, u16, VsrH, VsrW, uint32_t) +VMUL(uw, u32, VsrW, VsrD, uint64_t) +#undef VMUL_DO_EVN +#undef VMUL_DO_ODD #undef VMUL void helper_vperm(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, |