From: Mark Cave-Ayland Date: Thu, 26 Sep 2019 20:44:53 +0000 (+0100) Subject: target/ppc: use Vsr macros in BCD helpers X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=428115c3a9d0f64e1b9189986dbba4be0548c4a5;p=qmiga%2Fqemu.git target/ppc: use Vsr macros in BCD helpers This allows us to remove more endian-specific defines from int_helper.c. Signed-off-by: Mark Cave-Ayland Message-Id: <20190926204453.31837-1-mark.cave-ayland@ilande.co.uk> Signed-off-by: David Gibson Reviewed-by: Richard Henderson --- diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 46deb57a34..6d238b989d 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -2052,15 +2052,11 @@ void helper_vsubecuq(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c) #define NATIONAL_PLUS 0x2B #define NATIONAL_NEG 0x2D -#if defined(HOST_WORDS_BIGENDIAN) #define BCD_DIG_BYTE(n) (15 - ((n) / 2)) -#else -#define BCD_DIG_BYTE(n) ((n) / 2) -#endif static int bcd_get_sgn(ppc_avr_t *bcd) { - switch (bcd->u8[BCD_DIG_BYTE(0)] & 0xF) { + switch (bcd->VsrB(BCD_DIG_BYTE(0)) & 0xF) { case BCD_PLUS_PREF_1: case BCD_PLUS_PREF_2: case BCD_PLUS_ALT_1: @@ -2095,9 +2091,9 @@ static uint8_t bcd_get_digit(ppc_avr_t *bcd, int n, int *invalid) { uint8_t result; if (n & 1) { - result = bcd->u8[BCD_DIG_BYTE(n)] >> 4; + result = bcd->VsrB(BCD_DIG_BYTE(n)) >> 4; } else { - result = bcd->u8[BCD_DIG_BYTE(n)] & 0xF; + result = bcd->VsrB(BCD_DIG_BYTE(n)) & 0xF; } if (unlikely(result > 9)) { @@ -2109,11 +2105,11 @@ static uint8_t bcd_get_digit(ppc_avr_t *bcd, int n, int *invalid) 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->VsrB(BCD_DIG_BYTE(n)) &= 0x0F; + bcd->VsrB(BCD_DIG_BYTE(n)) |= (digit << 4); } else { - bcd->u8[BCD_DIG_BYTE(n)] &= 0xF0; - bcd->u8[BCD_DIG_BYTE(n)] |= digit; + bcd->VsrB(BCD_DIG_BYTE(n)) &= 0xF0; + bcd->VsrB(BCD_DIG_BYTE(n)) |= digit; } } @@ -2228,21 +2224,21 @@ uint32_t helper_bcdadd(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) if (!invalid) { if (sgna == sgnb) { - result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps); + result.VsrB(BCD_DIG_BYTE(0)) = bcd_preferred_sgn(sgna, ps); bcd_add_mag(&result, a, b, &invalid, &overflow); cr = bcd_cmp_zero(&result); } else { int magnitude = bcd_cmp_mag(a, b); if (magnitude > 0) { - result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgna, ps); + result.VsrB(BCD_DIG_BYTE(0)) = bcd_preferred_sgn(sgna, ps); bcd_sub_mag(&result, a, b, &invalid, &overflow); cr = (sgna > 0) ? CRF_GT : CRF_LT; } else if (magnitude < 0) { - result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(sgnb, ps); + result.VsrB(BCD_DIG_BYTE(0)) = bcd_preferred_sgn(sgnb, ps); bcd_sub_mag(&result, b, a, &invalid, &overflow); cr = (sgnb > 0) ? CRF_GT : CRF_LT; } else { - result.u8[BCD_DIG_BYTE(0)] = bcd_preferred_sgn(0, ps); + result.VsrB(BCD_DIG_BYTE(0)) = bcd_preferred_sgn(0, ps); cr = CRF_EQ; } } @@ -2353,15 +2349,15 @@ uint32_t helper_bcdcfz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) int zone_lead = ps ? 0xF : 0x3; int digit = 0; ppc_avr_t ret = { .u64 = { 0, 0 } }; - int sgnb = b->u8[BCD_DIG_BYTE(0)] >> 4; + int sgnb = b->VsrB(BCD_DIG_BYTE(0)) >> 4; if (unlikely((sgnb < 0xA) && ps)) { invalid = 1; } for (i = 0; i < 16; i++) { - zone_digit = i ? b->u8[BCD_DIG_BYTE(i * 2)] >> 4 : zone_lead; - digit = b->u8[BCD_DIG_BYTE(i * 2)] & 0xF; + zone_digit = i ? b->VsrB(BCD_DIG_BYTE(i * 2)) >> 4 : zone_lead; + digit = b->VsrB(BCD_DIG_BYTE(i * 2)) & 0xF; if (unlikely(zone_digit != zone_lead || digit > 0x9)) { invalid = 1; break; @@ -2407,7 +2403,7 @@ uint32_t helper_bcdctz(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) break; } - ret.u8[BCD_DIG_BYTE(i * 2)] = zone_lead + digit; + ret.VsrB(BCD_DIG_BYTE(i * 2)) = zone_lead + digit; } if (ps) { @@ -2519,7 +2515,7 @@ uint32_t helper_bcdcpsgn(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) } *r = *a; - bcd_put_digit(r, b->u8[BCD_DIG_BYTE(0)] & 0xF, 0); + bcd_put_digit(r, b->VsrB(BCD_DIG_BYTE(0)) & 0xF, 0); for (i = 1; i < 32; i++) { bcd_get_digit(a, i, &invalid); @@ -2549,11 +2545,7 @@ uint32_t helper_bcdsetsgn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) uint32_t helper_bcds(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) { int cr; -#if defined(HOST_WORDS_BIGENDIAN) - int i = a->s8[7]; -#else - int i = a->s8[8]; -#endif + int i = a->VsrSB(7); bool ox_flag = false; int sgnb = bcd_get_sgn(b); ppc_avr_t ret = *b; @@ -2602,11 +2594,7 @@ uint32_t helper_bcdus(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) } } -#if defined(HOST_WORDS_BIGENDIAN) - i = a->s8[7]; -#else - i = a->s8[8]; -#endif + i = a->VsrSB(7); if (i >= 32) { ox_flag = true; ret.VsrD(1) = ret.VsrD(0) = 0; @@ -2637,13 +2625,11 @@ uint32_t helper_bcdsr(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) ppc_avr_t ret = *b; ret.VsrD(1) &= ~0xf; -#if defined(HOST_WORDS_BIGENDIAN) - int i = a->s8[7]; - ppc_avr_t bcd_one = { .u64 = { 0, 0x10 } }; -#else - int i = a->s8[8]; - ppc_avr_t bcd_one = { .u64 = { 0x10, 0 } }; -#endif + int i = a->VsrSB(7); + ppc_avr_t bcd_one; + + bcd_one.VsrD(0) = 0; + bcd_one.VsrD(1) = 0x10; if (bcd_is_valid(b) == false) { return CRF_SO; @@ -2679,11 +2665,7 @@ uint32_t helper_bcdtrunc(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) { uint64_t mask; uint32_t ox_flag = 0; -#if defined(HOST_WORDS_BIGENDIAN) - int i = a->s16[3] + 1; -#else - int i = a->s16[4] + 1; -#endif + int i = a->VsrSH(3) + 1; ppc_avr_t ret = *b; if (bcd_is_valid(b) == false) { @@ -2728,11 +2710,7 @@ uint32_t helper_bcdutrunc(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) } } -#if defined(HOST_WORDS_BIGENDIAN) - i = a->s16[3]; -#else - i = a->s16[4]; -#endif + i = a->VsrSH(3); if (i > 16 && i < 33) { mask = (uint64_t)-1 >> (128 - i * 4); if (ret.VsrD(0) & ~mask) {