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Fix compiler runtime for _Float16 type

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Justine Tunney 2024-02-27 06:31:16 -08:00
parent 0ef36489c8
commit 64a9e6fe56
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14 changed files with 797 additions and 53 deletions
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14
third_party/compiler_rt/fp_extend_common.inc vendored
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@ -41,11 +41,21 @@ static __inline int src_rep_t_clz(src_rep_t a) {
}
#elif defined SRC_HALF
typedef uint16_t src_t;
#error use fp16_extend.inc
typedef _Float16 src_t;
typedef uint16_t src_rep_t;
#define SRC_REP_C UINT16_C
static const int srcBits = sizeof(src_t) * CHAR_BIT;
static const int srcSigBits = 10;
#define src_rep_t_clz __builtin_clz
// -1 accounts for the sign bit.
// srcBits - srcSigFracBits - 1
static const int srcExpBits = 5;
static inline int src_rep_t_clz_impl(src_rep_t a) {
return __builtin_clz(a) - 16;
}
#define src_rep_t_clz src_rep_t_clz_impl
#else
#error Source should be half, single, or double precision!