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

target/ppc: eliminate use of EL_IDX macros from int_helper.c

Browse Source 
These macros can be eliminated by instead using the relavant Vsr* macros in
the few locations where they appear.

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>
This commit is contained in:
Mark Cave-Ayland 2019-01-30 20:36:35 +00:00 committed by David Gibson
parent 3c385a93b3
commit 730d2ca3f0
1 changed files with 27 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
target/ppc/int_helper.c
View File

@ -3306,12 +3306,7 @@ void helper_vncipherlast(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
*r = result;
}
#define ROTRu32(v, n) (((v) >> (n)) | ((v) << (32-n)))
#if defined(HOST_WORDS_BIGENDIAN)
#define EL_IDX(i) (i)
#else
#define EL_IDX(i) (3 - (i))
#endif
#define ROTRu32(v, n) (((v) >> (n)) | ((v) << (32 - n)))
void helper_vshasigmaw(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six)
{
@ -3319,40 +3314,34 @@ void helper_vshasigmaw(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six)
int six = st_six & 0xF;
int i;
VECTOR_FOR_INORDER_I(i, u32) {
for (i = 0; i < ARRAY_SIZE(r->u32); i++) {
if (st == 0) {
if ((six & (0x8 >> i)) == 0) {
r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 7) ^
ROTRu32(a->u32[EL_IDX(i)], 18) ^
(a->u32[EL_IDX(i)] >> 3);
r->VsrW(i) = ROTRu32(a->VsrW(i), 7) ^
ROTRu32(a->VsrW(i), 18) ^
(a->VsrW(i) >> 3);
} else { /* six.bit[i] == 1 */
r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 17) ^
ROTRu32(a->u32[EL_IDX(i)], 19) ^
(a->u32[EL_IDX(i)] >> 10);
r->VsrW(i) = ROTRu32(a->VsrW(i), 17) ^
ROTRu32(a->VsrW(i), 19) ^
(a->VsrW(i) >> 10);
}
} else { /* st == 1 */
if ((six & (0x8 >> i)) == 0) {
r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 2) ^
ROTRu32(a->u32[EL_IDX(i)], 13) ^
ROTRu32(a->u32[EL_IDX(i)], 22);
r->VsrW(i) = ROTRu32(a->VsrW(i), 2) ^
ROTRu32(a->VsrW(i), 13) ^
ROTRu32(a->VsrW(i), 22);
} else { /* six.bit[i] == 1 */
r->u32[EL_IDX(i)] = ROTRu32(a->u32[EL_IDX(i)], 6) ^
ROTRu32(a->u32[EL_IDX(i)], 11) ^
ROTRu32(a->u32[EL_IDX(i)], 25);
r->VsrW(i) = ROTRu32(a->VsrW(i), 6) ^
ROTRu32(a->VsrW(i), 11) ^
ROTRu32(a->VsrW(i), 25);
}
}
}
}
#undef ROTRu32
#undef EL_IDX
#define ROTRu64(v, n) (((v) >> (n)) | ((v) << (64-n)))
#if defined(HOST_WORDS_BIGENDIAN)
#define EL_IDX(i) (i)
#else
#define EL_IDX(i) (1 - (i))
#endif
void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six)
{
@ -3360,33 +3349,32 @@ void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six)
int six = st_six & 0xF;
int i;
VECTOR_FOR_INORDER_I(i, u64) {
for (i = 0; i < ARRAY_SIZE(r->u64); i++) {
if (st == 0) {
if ((six & (0x8 >> (2*i))) == 0) {
r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 1) ^
ROTRu64(a->u64[EL_IDX(i)], 8) ^
(a->u64[EL_IDX(i)] >> 7);
r->VsrD(i) = ROTRu64(a->VsrD(i), 1) ^
ROTRu64(a->VsrD(i), 8) ^
(a->VsrD(i) >> 7);
} else { /* six.bit[2*i] == 1 */
r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 19) ^
ROTRu64(a->u64[EL_IDX(i)], 61) ^
(a->u64[EL_IDX(i)] >> 6);
r->VsrD(i) = ROTRu64(a->VsrD(i), 19) ^
ROTRu64(a->VsrD(i), 61) ^
(a->VsrD(i) >> 6);
}
} else { /* st == 1 */
if ((six & (0x8 >> (2*i))) == 0) {
r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 28) ^
ROTRu64(a->u64[EL_IDX(i)], 34) ^
ROTRu64(a->u64[EL_IDX(i)], 39);
r->VsrD(i) = ROTRu64(a->VsrD(i), 28) ^
ROTRu64(a->VsrD(i), 34) ^
ROTRu64(a->VsrD(i), 39);
} else { /* six.bit[2*i] == 1 */
r->u64[EL_IDX(i)] = ROTRu64(a->u64[EL_IDX(i)], 14) ^
ROTRu64(a->u64[EL_IDX(i)], 18) ^
ROTRu64(a->u64[EL_IDX(i)], 41);
r->VsrD(i) = ROTRu64(a->VsrD(i), 14) ^
ROTRu64(a->VsrD(i), 18) ^
ROTRu64(a->VsrD(i), 41);
}
}
}
}
#undef ROTRu64
#undef EL_IDX
void helper_vpermxor(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{