motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-03 15:53:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

target/arm: Implement SVE load and broadcast element

Browse source 
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180627043328.11531-10-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2018-06-29 15:11:05 +01:00 • committed by Peter Maydell
parent 7f9ddf64d5
commit 684598640d
4 changed files with 113 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

41
target/arm/sve_helper.c
View file

@ -995,6 +995,47 @@ void HELPER(sve_clr_d)(void *vd, void *vg, uint32_t desc)
}
}
/* Copy Zn into Zd, and store zero into inactive elements. */
void HELPER(sve_movz_b)(void *vd, void *vn, void *vg, uint32_t desc)
{
intptr_t i, opr_sz = simd_oprsz(desc) / 8;
uint64_t *d = vd, *n = vn;
uint8_t *pg = vg;
for (i = 0; i < opr_sz; i += 1) {
d[i] = n[i] & expand_pred_b(pg[H1(i)]);
}
}
void HELPER(sve_movz_h)(void *vd, void *vn, void *vg, uint32_t desc)
{
intptr_t i, opr_sz = simd_oprsz(desc) / 8;
uint64_t *d = vd, *n = vn;
uint8_t *pg = vg;
for (i = 0; i < opr_sz; i += 1) {
d[i] = n[i] & expand_pred_h(pg[H1(i)]);
}
}
void HELPER(sve_movz_s)(void *vd, void *vn, void *vg, uint32_t desc)
{
intptr_t i, opr_sz = simd_oprsz(desc) / 8;
uint64_t *d = vd, *n = vn;
uint8_t *pg = vg;
for (i = 0; i < opr_sz; i += 1) {
d[i] = n[i] & expand_pred_s(pg[H1(i)]);
}
}
void HELPER(sve_movz_d)(void *vd, void *vn, void *vg, uint32_t desc)
{
intptr_t i, opr_sz = simd_oprsz(desc) / 8;
uint64_t *d = vd, *n = vn;
uint8_t *pg = vg;
for (i = 0; i < opr_sz; i += 1) {
d[i] = n[1] & -(uint64_t)(pg[H1(i)] & 1);
}
}
/* Three-operand expander, immediate operand, controlled by a predicate.
*/
#define DO_ZPZI(NAME, TYPE, H, OP) \