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* Have comp do not use builtin_expect with libgccjit < 14 (bug#79722)

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* src/comp.c (emit_EQ): Do not use '__builtin_expect' with
libgccjit < 14.
This commit is contained in:
Andrea Corallo 2025-12-04 16:48:34 +01:00
parent d63ed68684
commit d52bf63de2
1 changed files with 20 additions and 15 deletions
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35
src/comp.c
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@ -1523,25 +1523,30 @@ emit_EQ (gcc_jit_rvalue *x, gcc_jit_rvalue *y)
gcc_jit_rvalue_dereference (comp.f_symbols_with_pos_enabled_ref,
NULL));
gcc_jit_rvalue *expect_args[] =
{ emit_coerce (comp.long_type, symbols_with_pos_enabled_rval),
gcc_jit_context_new_rvalue_from_int (comp.ctxt,
comp.long_type,
0) };
/* Do not use '__builtin_expect' with libgccjit < 14 (bug#79722). */
Lisp_Object version = Fcomp_libgccjit_version ();
if (!NILP (version) && XFIXNUM (XCAR (version)) >= 14)
{
gcc_jit_rvalue *expect_args[] =
{ emit_coerce (comp.long_type, symbols_with_pos_enabled_rval),
gcc_jit_context_new_rvalue_from_int (comp.ctxt,
comp.long_type,
0) };
gcc_jit_rvalue *unlikely_symbols_with_pos_enabled = emit_coerce (
comp.bool_type,
gcc_jit_context_new_call (
comp.ctxt,
NULL,
gcc_jit_context_get_builtin_function (comp.ctxt,
"__builtin_expect"),
2,
expect_args));
gcc_jit_rvalue *symbols_with_pos_enabled_rval = emit_coerce (
comp.bool_type,
gcc_jit_context_new_call (
comp.ctxt,
NULL,
gcc_jit_context_get_builtin_function (comp.ctxt,
"__builtin_expect"),
2,
expect_args));
}
return emit_OR (
base_eq,
emit_AND (unlikely_symbols_with_pos_enabled, emit_slow_eq (x, y)));
emit_AND (symbols_with_pos_enabled_rval, emit_slow_eq (x, y)));
}
static gcc_jit_rvalue *