#include "qemu/main-loop.h"
#include "qemu/timer.h"
#include "qemu/bitops.h"
-#include "qemu/crc32c.h"
#include "qemu/qemu-print.h"
#include "exec/exec-all.h"
#include "exec/translation-block.h"
-#include <zlib.h> /* for crc32 */
#include "hw/irq.h"
#include "system/cpu-timers.h"
#include "system/kvm.h"
};
}
-/*
- * Note that signed overflow is undefined in C. The following routines are
- * careful to use unsigned types where modulo arithmetic is required.
- * Failure to do so _will_ break on newer gcc.
- */
-
-/* Signed saturating arithmetic. */
-
-/* Perform 16-bit signed saturating addition. */
-static inline uint16_t add16_sat(uint16_t a, uint16_t b)
-{
- uint16_t res;
-
- res = a + b;
- if (((res ^ a) & 0x8000) && !((a ^ b) & 0x8000)) {
- if (a & 0x8000) {
- res = 0x8000;
- } else {
- res = 0x7fff;
- }
- }
- return res;
-}
-
-/* Perform 8-bit signed saturating addition. */
-static inline uint8_t add8_sat(uint8_t a, uint8_t b)
-{
- uint8_t res;
-
- res = a + b;
- if (((res ^ a) & 0x80) && !((a ^ b) & 0x80)) {
- if (a & 0x80) {
- res = 0x80;
- } else {
- res = 0x7f;
- }
- }
- return res;
-}
-
-/* Perform 16-bit signed saturating subtraction. */
-static inline uint16_t sub16_sat(uint16_t a, uint16_t b)
-{
- uint16_t res;
-
- res = a - b;
- if (((res ^ a) & 0x8000) && ((a ^ b) & 0x8000)) {
- if (a & 0x8000) {
- res = 0x8000;
- } else {
- res = 0x7fff;
- }
- }
- return res;
-}
-
-/* Perform 8-bit signed saturating subtraction. */
-static inline uint8_t sub8_sat(uint8_t a, uint8_t b)
-{
- uint8_t res;
-
- res = a - b;
- if (((res ^ a) & 0x80) && ((a ^ b) & 0x80)) {
- if (a & 0x80) {
- res = 0x80;
- } else {
- res = 0x7f;
- }
- }
- return res;
-}
-
-#define ADD16(a, b, n) RESULT(add16_sat(a, b), n, 16);
-#define SUB16(a, b, n) RESULT(sub16_sat(a, b), n, 16);
-#define ADD8(a, b, n) RESULT(add8_sat(a, b), n, 8);
-#define SUB8(a, b, n) RESULT(sub8_sat(a, b), n, 8);
-#define PFX q
-
-#include "op_addsub.h"
-
-/* Unsigned saturating arithmetic. */
-static inline uint16_t add16_usat(uint16_t a, uint16_t b)
-{
- uint16_t res;
- res = a + b;
- if (res < a) {
- res = 0xffff;
- }
- return res;
-}
-
-static inline uint16_t sub16_usat(uint16_t a, uint16_t b)
-{
- if (a > b) {
- return a - b;
- } else {
- return 0;
- }
-}
-
-static inline uint8_t add8_usat(uint8_t a, uint8_t b)
-{
- uint8_t res;
- res = a + b;
- if (res < a) {
- res = 0xff;
- }
- return res;
-}
-
-static inline uint8_t sub8_usat(uint8_t a, uint8_t b)
-{
- if (a > b) {
- return a - b;
- } else {
- return 0;
- }
-}
-
-#define ADD16(a, b, n) RESULT(add16_usat(a, b), n, 16);
-#define SUB16(a, b, n) RESULT(sub16_usat(a, b), n, 16);
-#define ADD8(a, b, n) RESULT(add8_usat(a, b), n, 8);
-#define SUB8(a, b, n) RESULT(sub8_usat(a, b), n, 8);
-#define PFX uq
-
-#include "op_addsub.h"
-
-/* Signed modulo arithmetic. */
-#define SARITH16(a, b, n, op) do { \
- int32_t sum; \
- sum = (int32_t)(int16_t)(a) op (int32_t)(int16_t)(b); \
- RESULT(sum, n, 16); \
- if (sum >= 0) \
- ge |= 3 << (n * 2); \
- } while (0)
-
-#define SARITH8(a, b, n, op) do { \
- int32_t sum; \
- sum = (int32_t)(int8_t)(a) op (int32_t)(int8_t)(b); \
- RESULT(sum, n, 8); \
- if (sum >= 0) \
- ge |= 1 << n; \
- } while (0)
-
-
-#define ADD16(a, b, n) SARITH16(a, b, n, +)
-#define SUB16(a, b, n) SARITH16(a, b, n, -)
-#define ADD8(a, b, n) SARITH8(a, b, n, +)
-#define SUB8(a, b, n) SARITH8(a, b, n, -)
-#define PFX s
-#define ARITH_GE
-
-#include "op_addsub.h"
-
-/* Unsigned modulo arithmetic. */
-#define ADD16(a, b, n) do { \
- uint32_t sum; \
- sum = (uint32_t)(uint16_t)(a) + (uint32_t)(uint16_t)(b); \
- RESULT(sum, n, 16); \
- if ((sum >> 16) == 1) \
- ge |= 3 << (n * 2); \
- } while (0)
-
-#define ADD8(a, b, n) do { \
- uint32_t sum; \
- sum = (uint32_t)(uint8_t)(a) + (uint32_t)(uint8_t)(b); \
- RESULT(sum, n, 8); \
- if ((sum >> 8) == 1) \
- ge |= 1 << n; \
- } while (0)
-
-#define SUB16(a, b, n) do { \
- uint32_t sum; \
- sum = (uint32_t)(uint16_t)(a) - (uint32_t)(uint16_t)(b); \
- RESULT(sum, n, 16); \
- if ((sum >> 16) == 0) \
- ge |= 3 << (n * 2); \
- } while (0)
-
-#define SUB8(a, b, n) do { \
- uint32_t sum; \
- sum = (uint32_t)(uint8_t)(a) - (uint32_t)(uint8_t)(b); \
- RESULT(sum, n, 8); \
- if ((sum >> 8) == 0) \
- ge |= 1 << n; \
- } while (0)
-
-#define PFX u
-#define ARITH_GE
-
-#include "op_addsub.h"
-
-/* Halved signed arithmetic. */
-#define ADD16(a, b, n) \
- RESULT(((int32_t)(int16_t)(a) + (int32_t)(int16_t)(b)) >> 1, n, 16)
-#define SUB16(a, b, n) \
- RESULT(((int32_t)(int16_t)(a) - (int32_t)(int16_t)(b)) >> 1, n, 16)
-#define ADD8(a, b, n) \
- RESULT(((int32_t)(int8_t)(a) + (int32_t)(int8_t)(b)) >> 1, n, 8)
-#define SUB8(a, b, n) \
- RESULT(((int32_t)(int8_t)(a) - (int32_t)(int8_t)(b)) >> 1, n, 8)
-#define PFX sh
-
-#include "op_addsub.h"
-
-/* Halved unsigned arithmetic. */
-#define ADD16(a, b, n) \
- RESULT(((uint32_t)(uint16_t)(a) + (uint32_t)(uint16_t)(b)) >> 1, n, 16)
-#define SUB16(a, b, n) \
- RESULT(((uint32_t)(uint16_t)(a) - (uint32_t)(uint16_t)(b)) >> 1, n, 16)
-#define ADD8(a, b, n) \
- RESULT(((uint32_t)(uint8_t)(a) + (uint32_t)(uint8_t)(b)) >> 1, n, 8)
-#define SUB8(a, b, n) \
- RESULT(((uint32_t)(uint8_t)(a) - (uint32_t)(uint8_t)(b)) >> 1, n, 8)
-#define PFX uh
-
-#include "op_addsub.h"
-
-static inline uint8_t do_usad(uint8_t a, uint8_t b)
-{
- if (a > b) {
- return a - b;
- } else {
- return b - a;
- }
-}
-
-/* Unsigned sum of absolute byte differences. */
-uint32_t HELPER(usad8)(uint32_t a, uint32_t b)
-{
- uint32_t sum;
- sum = do_usad(a, b);
- sum += do_usad(a >> 8, b >> 8);
- sum += do_usad(a >> 16, b >> 16);
- sum += do_usad(a >> 24, b >> 24);
- return sum;
-}
-
-/* For ARMv6 SEL instruction. */
-uint32_t HELPER(sel_flags)(uint32_t flags, uint32_t a, uint32_t b)
-{
- uint32_t mask;
-
- mask = 0;
- if (flags & 1) {
- mask |= 0xff;
- }
- if (flags & 2) {
- mask |= 0xff00;
- }
- if (flags & 4) {
- mask |= 0xff0000;
- }
- if (flags & 8) {
- mask |= 0xff000000;
- }
- return (a & mask) | (b & ~mask);
-}
-
-/*
- * CRC helpers.
- * The upper bytes of val (above the number specified by 'bytes') must have
- * been zeroed out by the caller.
- */
-uint32_t HELPER(crc32)(uint32_t acc, uint32_t val, uint32_t bytes)
-{
- uint8_t buf[4];
-
- stl_le_p(buf, val);
-
- /* zlib crc32 converts the accumulator and output to one's complement. */
- return crc32(acc ^ 0xffffffff, buf, bytes) ^ 0xffffffff;
-}
-
-uint32_t HELPER(crc32c)(uint32_t acc, uint32_t val, uint32_t bytes)
-{
- uint8_t buf[4];
-
- stl_le_p(buf, val);
-
- /* Linux crc32c converts the output to one's complement. */
- return crc32c(acc, buf, bytes) ^ 0xffffffff;
-}
/*
* Return the exception level to which FP-disabled exceptions should
+++ /dev/null
-/*
- * ARMv6 integer SIMD operations.
- *
- * Copyright (c) 2007 CodeSourcery.
- * Written by Paul Brook
- *
- * This code is licensed under the GPL.
- */
-
-#ifdef ARITH_GE
-#define GE_ARG , void *gep
-#define DECLARE_GE uint32_t ge = 0
-#define SET_GE *(uint32_t *)gep = ge
-#else
-#define GE_ARG
-#define DECLARE_GE do{}while(0)
-#define SET_GE do{}while(0)
-#endif
-
-#define RESULT(val, n, width) \
- res |= ((uint32_t)(glue(glue(uint,width),_t))(val)) << (n * width)
-
-uint32_t HELPER(glue(PFX,add16))(uint32_t a, uint32_t b GE_ARG)
-{
- uint32_t res = 0;
- DECLARE_GE;
-
- ADD16(a, b, 0);
- ADD16(a >> 16, b >> 16, 1);
- SET_GE;
- return res;
-}
-
-uint32_t HELPER(glue(PFX,add8))(uint32_t a, uint32_t b GE_ARG)
-{
- uint32_t res = 0;
- DECLARE_GE;
-
- ADD8(a, b, 0);
- ADD8(a >> 8, b >> 8, 1);
- ADD8(a >> 16, b >> 16, 2);
- ADD8(a >> 24, b >> 24, 3);
- SET_GE;
- return res;
-}
-
-uint32_t HELPER(glue(PFX,sub16))(uint32_t a, uint32_t b GE_ARG)
-{
- uint32_t res = 0;
- DECLARE_GE;
-
- SUB16(a, b, 0);
- SUB16(a >> 16, b >> 16, 1);
- SET_GE;
- return res;
-}
-
-uint32_t HELPER(glue(PFX,sub8))(uint32_t a, uint32_t b GE_ARG)
-{
- uint32_t res = 0;
- DECLARE_GE;
-
- SUB8(a, b, 0);
- SUB8(a >> 8, b >> 8, 1);
- SUB8(a >> 16, b >> 16, 2);
- SUB8(a >> 24, b >> 24, 3);
- SET_GE;
- return res;
-}
-
-uint32_t HELPER(glue(PFX,subaddx))(uint32_t a, uint32_t b GE_ARG)
-{
- uint32_t res = 0;
- DECLARE_GE;
-
- ADD16(a, b >> 16, 0);
- SUB16(a >> 16, b, 1);
- SET_GE;
- return res;
-}
-
-uint32_t HELPER(glue(PFX,addsubx))(uint32_t a, uint32_t b GE_ARG)
-{
- uint32_t res = 0;
- DECLARE_GE;
-
- SUB16(a, b >> 16, 0);
- ADD16(a >> 16, b, 1);
- SET_GE;
- return res;
-}
-
-#undef GE_ARG
-#undef DECLARE_GE
-#undef SET_GE
-#undef RESULT
-
-#undef ARITH_GE
-#undef PFX
-#undef ADD16
-#undef SUB16
-#undef ADD8
-#undef SUB8
--- /dev/null
+/*
+ * ARM generic helpers for various arithmetical operations.
+ *
+ * This code is licensed under the GNU GPL v2 or later.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#include "qemu/osdep.h"
+#include "cpu.h"
+#include "exec/helper-proto.h"
+#include "qemu/crc32c.h"
+#include <zlib.h> /* for crc32 */
+
+/*
+ * Note that signed overflow is undefined in C. The following routines are
+ * careful to use unsigned types where modulo arithmetic is required.
+ * Failure to do so _will_ break on newer gcc.
+ */
+
+/* Signed saturating arithmetic. */
+
+/* Perform 16-bit signed saturating addition. */
+static inline uint16_t add16_sat(uint16_t a, uint16_t b)
+{
+ uint16_t res;
+
+ res = a + b;
+ if (((res ^ a) & 0x8000) && !((a ^ b) & 0x8000)) {
+ if (a & 0x8000) {
+ res = 0x8000;
+ } else {
+ res = 0x7fff;
+ }
+ }
+ return res;
+}
+
+/* Perform 8-bit signed saturating addition. */
+static inline uint8_t add8_sat(uint8_t a, uint8_t b)
+{
+ uint8_t res;
+
+ res = a + b;
+ if (((res ^ a) & 0x80) && !((a ^ b) & 0x80)) {
+ if (a & 0x80) {
+ res = 0x80;
+ } else {
+ res = 0x7f;
+ }
+ }
+ return res;
+}
+
+/* Perform 16-bit signed saturating subtraction. */
+static inline uint16_t sub16_sat(uint16_t a, uint16_t b)
+{
+ uint16_t res;
+
+ res = a - b;
+ if (((res ^ a) & 0x8000) && ((a ^ b) & 0x8000)) {
+ if (a & 0x8000) {
+ res = 0x8000;
+ } else {
+ res = 0x7fff;
+ }
+ }
+ return res;
+}
+
+/* Perform 8-bit signed saturating subtraction. */
+static inline uint8_t sub8_sat(uint8_t a, uint8_t b)
+{
+ uint8_t res;
+
+ res = a - b;
+ if (((res ^ a) & 0x80) && ((a ^ b) & 0x80)) {
+ if (a & 0x80) {
+ res = 0x80;
+ } else {
+ res = 0x7f;
+ }
+ }
+ return res;
+}
+
+#define ADD16(a, b, n) RESULT(add16_sat(a, b), n, 16);
+#define SUB16(a, b, n) RESULT(sub16_sat(a, b), n, 16);
+#define ADD8(a, b, n) RESULT(add8_sat(a, b), n, 8);
+#define SUB8(a, b, n) RESULT(sub8_sat(a, b), n, 8);
+#define PFX q
+
+#include "op_addsub.c.inc"
+
+/* Unsigned saturating arithmetic. */
+static inline uint16_t add16_usat(uint16_t a, uint16_t b)
+{
+ uint16_t res;
+ res = a + b;
+ if (res < a) {
+ res = 0xffff;
+ }
+ return res;
+}
+
+static inline uint16_t sub16_usat(uint16_t a, uint16_t b)
+{
+ if (a > b) {
+ return a - b;
+ } else {
+ return 0;
+ }
+}
+
+static inline uint8_t add8_usat(uint8_t a, uint8_t b)
+{
+ uint8_t res;
+ res = a + b;
+ if (res < a) {
+ res = 0xff;
+ }
+ return res;
+}
+
+static inline uint8_t sub8_usat(uint8_t a, uint8_t b)
+{
+ if (a > b) {
+ return a - b;
+ } else {
+ return 0;
+ }
+}
+
+#define ADD16(a, b, n) RESULT(add16_usat(a, b), n, 16);
+#define SUB16(a, b, n) RESULT(sub16_usat(a, b), n, 16);
+#define ADD8(a, b, n) RESULT(add8_usat(a, b), n, 8);
+#define SUB8(a, b, n) RESULT(sub8_usat(a, b), n, 8);
+#define PFX uq
+
+#include "op_addsub.c.inc"
+
+/* Signed modulo arithmetic. */
+#define SARITH16(a, b, n, op) do { \
+ int32_t sum; \
+ sum = (int32_t)(int16_t)(a) op (int32_t)(int16_t)(b); \
+ RESULT(sum, n, 16); \
+ if (sum >= 0) \
+ ge |= 3 << (n * 2); \
+ } while (0)
+
+#define SARITH8(a, b, n, op) do { \
+ int32_t sum; \
+ sum = (int32_t)(int8_t)(a) op (int32_t)(int8_t)(b); \
+ RESULT(sum, n, 8); \
+ if (sum >= 0) \
+ ge |= 1 << n; \
+ } while (0)
+
+
+#define ADD16(a, b, n) SARITH16(a, b, n, +)
+#define SUB16(a, b, n) SARITH16(a, b, n, -)
+#define ADD8(a, b, n) SARITH8(a, b, n, +)
+#define SUB8(a, b, n) SARITH8(a, b, n, -)
+#define PFX s
+#define ARITH_GE
+
+#include "op_addsub.c.inc"
+
+/* Unsigned modulo arithmetic. */
+#define ADD16(a, b, n) do { \
+ uint32_t sum; \
+ sum = (uint32_t)(uint16_t)(a) + (uint32_t)(uint16_t)(b); \
+ RESULT(sum, n, 16); \
+ if ((sum >> 16) == 1) \
+ ge |= 3 << (n * 2); \
+ } while (0)
+
+#define ADD8(a, b, n) do { \
+ uint32_t sum; \
+ sum = (uint32_t)(uint8_t)(a) + (uint32_t)(uint8_t)(b); \
+ RESULT(sum, n, 8); \
+ if ((sum >> 8) == 1) \
+ ge |= 1 << n; \
+ } while (0)
+
+#define SUB16(a, b, n) do { \
+ uint32_t sum; \
+ sum = (uint32_t)(uint16_t)(a) - (uint32_t)(uint16_t)(b); \
+ RESULT(sum, n, 16); \
+ if ((sum >> 16) == 0) \
+ ge |= 3 << (n * 2); \
+ } while (0)
+
+#define SUB8(a, b, n) do { \
+ uint32_t sum; \
+ sum = (uint32_t)(uint8_t)(a) - (uint32_t)(uint8_t)(b); \
+ RESULT(sum, n, 8); \
+ if ((sum >> 8) == 0) \
+ ge |= 1 << n; \
+ } while (0)
+
+#define PFX u
+#define ARITH_GE
+
+#include "op_addsub.c.inc"
+
+/* Halved signed arithmetic. */
+#define ADD16(a, b, n) \
+ RESULT(((int32_t)(int16_t)(a) + (int32_t)(int16_t)(b)) >> 1, n, 16)
+#define SUB16(a, b, n) \
+ RESULT(((int32_t)(int16_t)(a) - (int32_t)(int16_t)(b)) >> 1, n, 16)
+#define ADD8(a, b, n) \
+ RESULT(((int32_t)(int8_t)(a) + (int32_t)(int8_t)(b)) >> 1, n, 8)
+#define SUB8(a, b, n) \
+ RESULT(((int32_t)(int8_t)(a) - (int32_t)(int8_t)(b)) >> 1, n, 8)
+#define PFX sh
+
+#include "op_addsub.c.inc"
+
+/* Halved unsigned arithmetic. */
+#define ADD16(a, b, n) \
+ RESULT(((uint32_t)(uint16_t)(a) + (uint32_t)(uint16_t)(b)) >> 1, n, 16)
+#define SUB16(a, b, n) \
+ RESULT(((uint32_t)(uint16_t)(a) - (uint32_t)(uint16_t)(b)) >> 1, n, 16)
+#define ADD8(a, b, n) \
+ RESULT(((uint32_t)(uint8_t)(a) + (uint32_t)(uint8_t)(b)) >> 1, n, 8)
+#define SUB8(a, b, n) \
+ RESULT(((uint32_t)(uint8_t)(a) - (uint32_t)(uint8_t)(b)) >> 1, n, 8)
+#define PFX uh
+
+#include "op_addsub.c.inc"
+
+static inline uint8_t do_usad(uint8_t a, uint8_t b)
+{
+ if (a > b) {
+ return a - b;
+ } else {
+ return b - a;
+ }
+}
+
+/* Unsigned sum of absolute byte differences. */
+uint32_t HELPER(usad8)(uint32_t a, uint32_t b)
+{
+ uint32_t sum;
+ sum = do_usad(a, b);
+ sum += do_usad(a >> 8, b >> 8);
+ sum += do_usad(a >> 16, b >> 16);
+ sum += do_usad(a >> 24, b >> 24);
+ return sum;
+}
+
+/* For ARMv6 SEL instruction. */
+uint32_t HELPER(sel_flags)(uint32_t flags, uint32_t a, uint32_t b)
+{
+ uint32_t mask;
+
+ mask = 0;
+ if (flags & 1) {
+ mask |= 0xff;
+ }
+ if (flags & 2) {
+ mask |= 0xff00;
+ }
+ if (flags & 4) {
+ mask |= 0xff0000;
+ }
+ if (flags & 8) {
+ mask |= 0xff000000;
+ }
+ return (a & mask) | (b & ~mask);
+}
+
+/*
+ * CRC helpers.
+ * The upper bytes of val (above the number specified by 'bytes') must have
+ * been zeroed out by the caller.
+ */
+uint32_t HELPER(crc32)(uint32_t acc, uint32_t val, uint32_t bytes)
+{
+ uint8_t buf[4];
+
+ stl_le_p(buf, val);
+
+ /* zlib crc32 converts the accumulator and output to one's complement. */
+ return crc32(acc ^ 0xffffffff, buf, bytes) ^ 0xffffffff;
+}
+
+uint32_t HELPER(crc32c)(uint32_t acc, uint32_t val, uint32_t bytes)
+{
+ uint8_t buf[4];
+
+ stl_le_p(buf, val);
+
+ /* Linux crc32c converts the output to one's complement. */
+ return crc32c(acc, buf, bytes) ^ 0xffffffff;
+}
'tlb_helper.c',
'vec_helper.c',
'tlb-insns.c',
+ 'arith_helper.c',
))
arm_ss.add(when: 'TARGET_AARCH64', if_true: files(
--- /dev/null
+/*
+ * ARMv6 integer SIMD operations.
+ *
+ * Copyright (c) 2007 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licensed under the GPL.
+ */
+
+#ifdef ARITH_GE
+#define GE_ARG , void *gep
+#define DECLARE_GE uint32_t ge = 0
+#define SET_GE *(uint32_t *)gep = ge
+#else
+#define GE_ARG
+#define DECLARE_GE do{}while(0)
+#define SET_GE do{}while(0)
+#endif
+
+#define RESULT(val, n, width) \
+ res |= ((uint32_t)(glue(glue(uint,width),_t))(val)) << (n * width)
+
+uint32_t HELPER(glue(PFX,add16))(uint32_t a, uint32_t b GE_ARG)
+{
+ uint32_t res = 0;
+ DECLARE_GE;
+
+ ADD16(a, b, 0);
+ ADD16(a >> 16, b >> 16, 1);
+ SET_GE;
+ return res;
+}
+
+uint32_t HELPER(glue(PFX,add8))(uint32_t a, uint32_t b GE_ARG)
+{
+ uint32_t res = 0;
+ DECLARE_GE;
+
+ ADD8(a, b, 0);
+ ADD8(a >> 8, b >> 8, 1);
+ ADD8(a >> 16, b >> 16, 2);
+ ADD8(a >> 24, b >> 24, 3);
+ SET_GE;
+ return res;
+}
+
+uint32_t HELPER(glue(PFX,sub16))(uint32_t a, uint32_t b GE_ARG)
+{
+ uint32_t res = 0;
+ DECLARE_GE;
+
+ SUB16(a, b, 0);
+ SUB16(a >> 16, b >> 16, 1);
+ SET_GE;
+ return res;
+}
+
+uint32_t HELPER(glue(PFX,sub8))(uint32_t a, uint32_t b GE_ARG)
+{
+ uint32_t res = 0;
+ DECLARE_GE;
+
+ SUB8(a, b, 0);
+ SUB8(a >> 8, b >> 8, 1);
+ SUB8(a >> 16, b >> 16, 2);
+ SUB8(a >> 24, b >> 24, 3);
+ SET_GE;
+ return res;
+}
+
+uint32_t HELPER(glue(PFX,subaddx))(uint32_t a, uint32_t b GE_ARG)
+{
+ uint32_t res = 0;
+ DECLARE_GE;
+
+ ADD16(a, b >> 16, 0);
+ SUB16(a >> 16, b, 1);
+ SET_GE;
+ return res;
+}
+
+uint32_t HELPER(glue(PFX,addsubx))(uint32_t a, uint32_t b GE_ARG)
+{
+ uint32_t res = 0;
+ DECLARE_GE;
+
+ SUB16(a, b >> 16, 0);
+ ADD16(a >> 16, b, 1);
+ SET_GE;
+ return res;
+}
+
+#undef GE_ARG
+#undef DECLARE_GE
+#undef SET_GE
+#undef RESULT
+
+#undef ARITH_GE
+#undef PFX
+#undef ADD16
+#undef SUB16
+#undef ADD8
+#undef SUB8
projects / qemu.git / commitdiff