diff options
author | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-04-22 16:43:39 +0000 |
---|---|---|
committer | blueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-04-22 16:43:39 +0000 |
commit | 4595fca99c92cbd0b3d11b017972d0ff6c1a5f97 (patch) | |
tree | 1ba1f2647bb009c4edc13aabaea387efb0de2d10 /linux-user | |
parent | 25bc827cf233dcac309decd095e3f2b6095596f0 (diff) | |
download | hqemu-4595fca99c92cbd0b3d11b017972d0ff6c1a5f97.zip hqemu-4595fca99c92cbd0b3d11b017972d0ff6c1a5f97.tar.gz |
Move 128-bit float emulation under linux-user including the forgotten file
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4235 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user')
-rw-r--r-- | linux-user/sparc_quad_float.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/linux-user/sparc_quad_float.c b/linux-user/sparc_quad_float.c new file mode 100644 index 0000000..f0d7f29 --- /dev/null +++ b/linux-user/sparc_quad_float.c @@ -0,0 +1,124 @@ +#include "exec.h" +#include "host-utils.h" +#include "helper.h" + +#define F_HELPER(name, p) void helper_f##name##p(void) + +#define F_BINOP(name) \ + F_HELPER(name, q) \ + { \ + QT0 = float128_ ## name (QT0, QT1, &env->fp_status); \ + } + +F_BINOP(add); +F_BINOP(sub); +F_BINOP(mul); +F_BINOP(div); +#undef F_BINOP + +void helper_fdmulq(void) +{ + QT0 = float128_mul(float64_to_float128(DT0, &env->fp_status), + float64_to_float128(DT1, &env->fp_status), + &env->fp_status); +} + +F_HELPER(ito, q) +{ + QT0 = int32_to_float128(*((int32_t *)&FT1), &env->fp_status); +} + +void helper_fqtos(void) +{ + FT0 = float128_to_float32(QT1, &env->fp_status); +} + +void helper_fstoq(void) +{ + QT0 = float32_to_float128(FT1, &env->fp_status); +} + +void helper_fqtod(void) +{ + DT0 = float128_to_float64(QT1, &env->fp_status); +} + +void helper_fdtoq(void) +{ + QT0 = float64_to_float128(DT1, &env->fp_status); +} + +void helper_fqtoi(void) +{ + *((int32_t *)&FT0) = float128_to_int32_round_to_zero(QT1, &env->fp_status); +} + +void helper_fsqrtq(void) +{ + QT0 = float128_sqrt(QT1, &env->fp_status); +} + +#ifdef TARGET_SPARC64 +F_HELPER(neg, q) +{ + QT0 = float128_chs(QT1); +} + +F_HELPER(xto, q) +{ + QT0 = int64_to_float128(*((int64_t *)&DT1), &env->fp_status); +} + +void helper_fqtox(void) +{ + *((int64_t *)&DT0) = float128_to_int64_round_to_zero(QT1, &env->fp_status); +} + +void helper_fabsq(void) +{ + QT0 = float128_abs(QT1); +} +#endif + +#define GEN_FCMP(name, size, reg1, reg2, FS, TRAP) \ + void glue(helper_, name) (void) \ + { \ + target_ulong new_fsr; \ + \ + env->fsr &= ~((FSR_FCC1 | FSR_FCC0) << FS); \ + switch (glue(size, _compare) (reg1, reg2, &env->fp_status)) { \ + case float_relation_unordered: \ + new_fsr = (FSR_FCC1 | FSR_FCC0) << FS; \ + if ((env->fsr & FSR_NVM) || TRAP) { \ + env->fsr |= new_fsr; \ + env->fsr |= FSR_NVC; \ + env->fsr |= FSR_FTT_IEEE_EXCP; \ + raise_exception(TT_FP_EXCP); \ + } else { \ + env->fsr |= FSR_NVA; \ + } \ + break; \ + case float_relation_less: \ + new_fsr = FSR_FCC0 << FS; \ + break; \ + case float_relation_greater: \ + new_fsr = FSR_FCC1 << FS; \ + break; \ + default: \ + new_fsr = 0; \ + break; \ + } \ + env->fsr |= new_fsr; \ + } + +GEN_FCMP(fcmpq, float128, QT0, QT1, 0, 0); +GEN_FCMP(fcmpeq, float128, QT0, QT1, 0, 1); + +#ifdef TARGET_SPARC64 +GEN_FCMP(fcmpq_fcc1, float128, QT0, QT1, 22, 0); +GEN_FCMP(fcmpq_fcc2, float128, QT0, QT1, 24, 0); +GEN_FCMP(fcmpq_fcc3, float128, QT0, QT1, 26, 0); +GEN_FCMP(fcmpeq_fcc1, float128, QT0, QT1, 22, 1); +GEN_FCMP(fcmpeq_fcc2, float128, QT0, QT1, 24, 1); +GEN_FCMP(fcmpeq_fcc3, float128, QT0, QT1, 26, 1); +#endif |