diff options
-rw-r--r-- | target/ppc/int_helper.c | 70 |
1 files changed, 39 insertions, 31 deletions
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 162add5..f6a088a 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -137,7 +137,8 @@ uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe) /* if x = 0xab, returns 0xababababababababa */ #define pattern(x) (((x) & 0xff) * (~(target_ulong)0 / 0xff)) -/* substract 1 from each byte, and with inverse, check if MSB is set at each +/* + * subtract 1 from each byte, and with inverse, check if MSB is set at each * byte. * i.e. ((0x00 - 0x01) & ~(0x00)) & 0x80 * (0xFF & 0xFF) & 0x80 = 0x80 (zero found) @@ -156,7 +157,8 @@ uint32_t helper_cmpeqb(target_ulong ra, target_ulong rb) #undef haszero #undef hasvalue -/* Return invalid random number. +/* + * Return invalid random number. * * FIXME: Add rng backend or other mechanism to get cryptographically suitable * random number @@ -181,7 +183,7 @@ uint64_t helper_bpermd(uint64_t rs, uint64_t rb) uint64_t ra = 0; for (i = 0; i < 8; i++) { - int index = (rs >> (i*8)) & 0xFF; + int index = (rs >> (i * 8)) & 0xFF; if (index < 64) { if (rb & PPC_BIT(index)) { ra |= 1 << i; @@ -370,7 +372,8 @@ target_ulong helper_divso(CPUPPCState *env, target_ulong arg1, /* 602 specific instructions */ /* mfrom is the most crazy instruction ever seen, imho ! */ /* Real implementation uses a ROM table. Do the same */ -/* Extremely decomposed: +/* + * Extremely decomposed: * -arg / 256 * return 256 * log10(10 + 1.0) + 0.5 */ @@ -393,7 +396,7 @@ target_ulong helper_602_mfrom(target_ulong arg) for (index = 0; index < ARRAY_SIZE(r->element); index++) #else #define VECTOR_FOR_INORDER_I(index, element) \ - for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--) + for (index = ARRAY_SIZE(r->element) - 1; index >= 0; index--) #endif /* Saturating arithmetic helpers. */ @@ -634,7 +637,8 @@ void helper_v##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ } \ } -/* VABSDU - Vector absolute difference unsigned +/* + * VABSDU - Vector absolute difference unsigned * name - instruction mnemonic suffix (b: byte, h: halfword, w: word) * element - element type to access from vector */ @@ -739,7 +743,8 @@ void helper_vcmpne##suffix(CPUPPCState *env, ppc_avr_t *r, \ } \ } -/* VCMPNEZ - Vector compare not equal to zero +/* + * VCMPNEZ - Vector compare not equal to zero * suffix - instruction mnemonic suffix (b: byte, h: halfword, w: word) * element - element type to access from vector */ @@ -1138,7 +1143,7 @@ void helper_vpermr(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, #define VBPERMQ_DW(index) (((index) & 0x40) != 0) #define EXTRACT_BIT(avr, i, index) (extract64((avr)->u64[i], index, 1)) #else -#define VBPERMQ_INDEX(avr, i) ((avr)->u8[15-(i)]) +#define VBPERMQ_INDEX(avr, i) ((avr)->u8[15 - (i)]) #define VBPERMD_INDEX(i) (1 - i) #define VBPERMQ_DW(index) (((index) & 0x40) == 0) #define EXTRACT_BIT(avr, i, index) \ @@ -1169,7 +1174,7 @@ void helper_vbpermq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) int index = VBPERMQ_INDEX(b, i); if (index < 128) { - uint64_t mask = (1ull << (63-(index & 0x3F))); + uint64_t mask = (1ull << (63 - (index & 0x3F))); if (a->u64[VBPERMQ_DW(index)] & mask) { perm |= (0x8000 >> i); } @@ -1449,9 +1454,9 @@ void helper_vgbbd(ppc_avr_t *r, ppc_avr_t *b) VECTOR_FOR_INORDER_I(i, u8) { #if defined(HOST_WORDS_BIGENDIAN) - t[i>>3] |= VGBBD_MASKS[b->u8[i]] >> (i & 7); + t[i >> 3] |= VGBBD_MASKS[b->u8[i]] >> (i & 7); #else - t[i>>3] |= VGBBD_MASKS[b->u8[i]] >> (7-(i & 7)); + t[i >> 3] |= VGBBD_MASKS[b->u8[i]] >> (7 - (i & 7)); #endif } @@ -1463,19 +1468,19 @@ void helper_vgbbd(ppc_avr_t *r, ppc_avr_t *b) void helper_##name(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ { \ int i, j; \ - trgtyp prod[sizeof(ppc_avr_t)/sizeof(a->srcfld[0])]; \ + trgtyp prod[sizeof(ppc_avr_t) / sizeof(a->srcfld[0])]; \ \ VECTOR_FOR_INORDER_I(i, srcfld) { \ prod[i] = 0; \ for (j = 0; j < sizeof(a->srcfld[0]) * 8; j++) { \ - if (a->srcfld[i] & (1ull<<j)) { \ + if (a->srcfld[i] & (1ull << j)) { \ prod[i] ^= ((trgtyp)b->srcfld[i] << j); \ } \ } \ } \ \ VECTOR_FOR_INORDER_I(i, trgfld) { \ - r->trgfld[i] = prod[2*i] ^ prod[2*i+1]; \ + r->trgfld[i] = prod[2 * i] ^ prod[2 * i + 1]; \ } \ } @@ -1493,7 +1498,7 @@ void helper_vpmsumd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) VECTOR_FOR_INORDER_I(i, u64) { prod[i] = 0; for (j = 0; j < 64; j++) { - if (a->u64[i] & (1ull<<j)) { + if (a->u64[i] & (1ull << j)) { prod[i] ^= (((__uint128_t)b->u64[i]) << j); } } @@ -1508,7 +1513,7 @@ void helper_vpmsumd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) VECTOR_FOR_INORDER_I(i, u64) { prod[i].VsrD(1) = prod[i].VsrD(0) = 0; for (j = 0; j < 64; j++) { - if (a->u64[i] & (1ull<<j)) { + if (a->u64[i] & (1ull << j)) { ppc_avr_t bshift; if (j == 0) { bshift.VsrD(0) = 0; @@ -1548,9 +1553,9 @@ void helper_vpkpx(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) VECTOR_FOR_INORDER_I(j, u32) { uint32_t e = x[i]->u32[j]; - result.u16[4*i+j] = (((e >> 9) & 0xfc00) | - ((e >> 6) & 0x3e0) | - ((e >> 3) & 0x1f)); + result.u16[4 * i + j] = (((e >> 9) & 0xfc00) | + ((e >> 6) & 0x3e0) | + ((e >> 3) & 0x1f)); } } *r = result; @@ -1568,7 +1573,7 @@ void helper_vpkpx(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ VECTOR_FOR_INORDER_I(i, from) { \ result.to[i] = cvt(a0->from[i], &sat); \ - result.to[i+ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat); \ + result.to[i + ARRAY_SIZE(r->from)] = cvt(a1->from[i], &sat);\ } \ *r = result; \ if (dosat && sat) { \ @@ -1736,9 +1741,11 @@ VEXTU_X_DO(vextuhrx, 16, 0) VEXTU_X_DO(vextuwrx, 32, 0) #undef VEXTU_X_DO -/* The specification says that the results are undefined if all of the - * shift counts are not identical. We check to make sure that they are - * to conform to what real hardware appears to do. */ +/* + * The specification says that the results are undefined if all of the + * shift counts are not identical. We check to make sure that they + * are to conform to what real hardware appears to do. + */ #define VSHIFT(suffix, leftp) \ void helper_vs##suffix(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \ { \ @@ -1805,9 +1812,10 @@ void helper_vsrv(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) int i; unsigned int shift, bytes; - /* Use reverse order, as destination and source register can be same. Its - * being modified in place saving temporary, reverse order will guarantee - * that computed result is not fed back. + /* + * Use reverse order, as destination and source register can be + * same. Its being modified in place saving temporary, reverse + * order will guarantee that computed result is not fed back. */ for (i = ARRAY_SIZE(r->u8) - 1; i >= 0; i--) { shift = b->u8[i] & 0x7; /* extract shift value */ @@ -1840,7 +1848,7 @@ void helper_vslo(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) #if defined(HOST_WORDS_BIGENDIAN) memmove(&r->u8[0], &a->u8[sh], 16 - sh); - memset(&r->u8[16-sh], 0, sh); + memset(&r->u8[16 - sh], 0, sh); #else memmove(&r->u8[sh], &a->u8[0], 16 - sh); memset(&r->u8[0], 0, sh); @@ -2112,7 +2120,7 @@ void helper_vsum4ubs(CPUPPCState *env, ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) ppc_avr_t result; \ \ for (i = 0; i < ARRAY_SIZE(r->u32); i++) { \ - uint16_t e = b->u16[hi ? i : i+4]; \ + uint16_t e = b->u16[hi ? i : i + 4]; \ uint8_t a = (e >> 15) ? 0xff : 0; \ uint8_t r = (e >> 10) & 0x1f; \ uint8_t g = (e >> 5) & 0x1f; \ @@ -2463,7 +2471,7 @@ static void bcd_put_digit(ppc_avr_t *bcd, uint8_t digit, int n) { if (n & 1) { bcd->u8[BCD_DIG_BYTE(n)] &= 0x0F; - bcd->u8[BCD_DIG_BYTE(n)] |= (digit<<4); + bcd->u8[BCD_DIG_BYTE(n)] |= (digit << 4); } else { bcd->u8[BCD_DIG_BYTE(n)] &= 0xF0; bcd->u8[BCD_DIG_BYTE(n)] |= digit; @@ -3220,7 +3228,7 @@ void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six) for (i = 0; i < ARRAY_SIZE(r->u64); i++) { if (st == 0) { - if ((six & (0x8 >> (2*i))) == 0) { + if ((six & (0x8 >> (2 * i))) == 0) { r->VsrD(i) = ror64(a->VsrD(i), 1) ^ ror64(a->VsrD(i), 8) ^ (a->VsrD(i) >> 7); @@ -3230,7 +3238,7 @@ void helper_vshasigmad(ppc_avr_t *r, ppc_avr_t *a, uint32_t st_six) (a->VsrD(i) >> 6); } } else { /* st == 1 */ - if ((six & (0x8 >> (2*i))) == 0) { + if ((six & (0x8 >> (2 * i))) == 0) { r->VsrD(i) = ror64(a->VsrD(i), 28) ^ ror64(a->VsrD(i), 34) ^ ror64(a->VsrD(i), 39); |