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| author | bors[bot] <26634292+bors[bot]@users.noreply.github.com> | 2022-11-04 13:22:10 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-11-04 13:22:10 +0000 |
| commit | 0a59abbfc74c3961fb01323d9fbff8427518fde6 (patch) | |
| tree | b17389116bc4da1d022345b7b78eb6fc0fbe4eb0 /libcpp/expr.cc | |
| parent | f8c2fab0c6c11f73fdcb1eb31e8b5b75c2fdbf7f (diff) | |
| parent | a7b70c704182db2defd0c0f991c16f4d9219bc2f (diff) | |
| download | gcc-0a59abbfc74c3961fb01323d9fbff8427518fde6.zip gcc-0a59abbfc74c3961fb01323d9fbff8427518fde6.tar.gz gcc-0a59abbfc74c3961fb01323d9fbff8427518fde6.tar.bz2 | |
Merge #1627
1627: Merge GCC mainline/master into gccrs/master r=CohenArthur a=ibuclaw
`@doko42` was asking, so here's another merge sync.
Co-authored-by: GCC Administrator <gccadmin@gcc.gnu.org>
Co-authored-by: Andrew MacLeod <amacleod@redhat.com>
Co-authored-by: Liwei Xu <liwei.xu@intel.com>
Co-authored-by: Richard Biener <rguenther@suse.de>
Co-authored-by: Jakub Jelinek <jakub@redhat.com>
Co-authored-by: Andre Vieira <andre.simoesdiasvieira@arm.com>
Co-authored-by: Jonathan Wakely <jwakely@redhat.com>
Co-authored-by: Martin Jambor <mjambor@suse.cz>
Co-authored-by: Joseph Myers <joseph@codesourcery.com>
Co-authored-by: Patrick Palka <ppalka@redhat.com>
Co-authored-by: Florian Weimer <fweimer@redhat.com>
Co-authored-by: Marek Polacek <polacek@redhat.com>
Co-authored-by: liuhongt <hongtao.liu@intel.com>
Co-authored-by: Martin Liska <mliska@suse.cz>
Co-authored-by: Robin Dapp <rdapp@linux.ibm.com>
Co-authored-by: Takayuki 'January June' Suwa <jjsuwa_sys3175@yahoo.co.jp>
Co-authored-by: Stefan Schulze Frielinghaus <stefansf@linux.ibm.com>
Diffstat (limited to 'libcpp/expr.cc')
| -rw-r--r-- | libcpp/expr.cc | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/libcpp/expr.cc b/libcpp/expr.cc index 1d68064..5ee28c4 100644 --- a/libcpp/expr.cc +++ b/libcpp/expr.cc @@ -91,10 +91,10 @@ interpret_float_suffix (cpp_reader *pfile, const uchar *s, size_t len) size_t orig_len = len; const uchar *orig_s = s; size_t flags; - size_t f, d, l, w, q, i, fn, fnx, fn_bits; + size_t f, d, l, w, q, i, fn, fnx, fn_bits, bf16; flags = 0; - f = d = l = w = q = i = fn = fnx = fn_bits = 0; + f = d = l = w = q = i = fn = fnx = fn_bits = bf16 = 0; /* The following decimal float suffixes, from TR 24732:2009, TS 18661-2:2015 and C2X, are supported: @@ -131,7 +131,8 @@ interpret_float_suffix (cpp_reader *pfile, const uchar *s, size_t len) w, W - machine-specific type such as __float80 (GNU extension). q, Q - machine-specific type such as __float128 (GNU extension). fN, FN - _FloatN (TS 18661-3:2015). - fNx, FNx - _FloatNx (TS 18661-3:2015). */ + fNx, FNx - _FloatNx (TS 18661-3:2015). + bf16, BF16 - std::bfloat16_t (ISO C++23). */ /* Process decimal float suffixes, which are two letters starting with d or D. Order and case are significant. */ @@ -239,6 +240,19 @@ interpret_float_suffix (cpp_reader *pfile, const uchar *s, size_t len) fn++; } break; + case 'b': case 'B': + if (len > 2 + /* Except for bf16 / BF16 where case is significant. */ + && s[1] == (s[0] == 'b' ? 'f' : 'F') + && s[2] == '1' + && s[3] == '6') + { + bf16++; + len -= 3; + s += 3; + break; + } + return 0; case 'd': case 'D': d++; break; case 'l': case 'L': l++; break; case 'w': case 'W': w++; break; @@ -257,7 +271,7 @@ interpret_float_suffix (cpp_reader *pfile, const uchar *s, size_t len) of N larger than can be represented in the return value. The caller is responsible for rejecting _FloatN suffixes where _FloatN is not supported on the chosen target. */ - if (f + d + l + w + q + fn + fnx > 1 || i > 1) + if (f + d + l + w + q + fn + fnx + bf16 > 1 || i > 1) return 0; if (fn_bits > CPP_FLOATN_MAX) return 0; @@ -295,6 +309,7 @@ interpret_float_suffix (cpp_reader *pfile, const uchar *s, size_t len) q ? CPP_N_MD_Q : fn ? CPP_N_FLOATN | (fn_bits << CPP_FLOATN_SHIFT) : fnx ? CPP_N_FLOATNX | (fn_bits << CPP_FLOATN_SHIFT) : + bf16 ? CPP_N_BFLOAT16 : CPP_N_DEFAULT)); } |