diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2019-05-14 06:39:47 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-09-04 12:57:59 -0700 |
| commit | 2b13b4b93dc924a139d7a9350cd13c2c9479d03b (patch) | |
| tree | 0357a79edcf4b806d70dac9c560ae3f322763396 /target/openrisc/fpu_helper.c | |
| parent | 62f2b0389ff6fc7856b801bb5bee1c2d364d3e6c (diff) | |
| download | focaccia-qemu-2b13b4b93dc924a139d7a9350cd13c2c9479d03b.tar.gz focaccia-qemu-2b13b4b93dc924a139d7a9350cd13c2c9479d03b.zip | |
target/openrisc: Implement unordered fp comparisons
These were added to the 1.3 spec. For OF32S, validate AVR. But OF64A32 is itself new to 1.3 so no extra check needed. Reviewed-by: Stafford Horne <shorne@gmail.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/openrisc/fpu_helper.c')
| -rw-r--r-- | target/openrisc/fpu_helper.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/target/openrisc/fpu_helper.c b/target/openrisc/fpu_helper.c index 9d7dfc0fb9..7bcef9dc53 100644 --- a/target/openrisc/fpu_helper.c +++ b/target/openrisc/fpu_helper.c @@ -135,4 +135,24 @@ target_ulong helper_float_ ## name ## _s(CPUOpenRISCState *env, \ FLOAT_CMP(le, le) FLOAT_CMP(lt, lt) FLOAT_CMP(eq, eq_quiet) +FLOAT_CMP(un, unordered_quiet) #undef FLOAT_CMP + +#define FLOAT_UCMP(name, expr) \ +target_ulong helper_float_ ## name ## _d(CPUOpenRISCState *env, \ + uint64_t fdt0, uint64_t fdt1) \ +{ \ + int r = float64_compare_quiet(fdt0, fdt1, &env->fp_status); \ + return expr; \ +} \ +target_ulong helper_float_ ## name ## _s(CPUOpenRISCState *env, \ + uint32_t fdt0, uint32_t fdt1) \ +{ \ + int r = float32_compare_quiet(fdt0, fdt1, &env->fp_status); \ + return expr; \ +} + +FLOAT_UCMP(ueq, r == float_relation_equal || r == float_relation_unordered) +FLOAT_UCMP(ult, r == float_relation_less || r == float_relation_unordered) +FLOAT_UCMP(ule, r != float_relation_greater) +#undef FLOAT_UCMP |