diff options
Diffstat (limited to 'source/blender/blenlib/intern/expr_pylike_eval.c')
| -rw-r--r-- | source/blender/blenlib/intern/expr_pylike_eval.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/source/blender/blenlib/intern/expr_pylike_eval.c b/source/blender/blenlib/intern/expr_pylike_eval.c index 14fc4c5bf26..b3692926838 100644 --- a/source/blender/blenlib/intern/expr_pylike_eval.c +++ b/source/blender/blenlib/intern/expr_pylike_eval.c @@ -504,7 +504,9 @@ static bool parse_add_func(ExprParseState *state, eOpCode code, int args, void * if (jmp_gap >= 1 && prev_ops[-1].opcode == OPCODE_CONST) { UnaryOpFunc func = funcptr; - double result = func(prev_ops[-1].arg.dval); + /* volatile because some compilers overly agressive optimize this call out. + * see D6012 for details. */ + volatile double result = func(prev_ops[-1].arg.dval); if (fetestexcept(FE_DIVBYZERO | FE_INVALID) == 0) { prev_ops[-1].arg.dval = result; @@ -520,7 +522,9 @@ static bool parse_add_func(ExprParseState *state, eOpCode code, int args, void * prev_ops[-1].opcode == OPCODE_CONST) { BinaryOpFunc func = funcptr; - double result = func(prev_ops[-2].arg.dval, prev_ops[-1].arg.dval); + /* volatile because some compilers overly agressive optimize this call out. + * see D6012 for details. */ + volatile double result = func(prev_ops[-2].arg.dval, prev_ops[-1].arg.dval); if (fetestexcept(FE_DIVBYZERO | FE_INVALID) == 0) { prev_ops[-2].arg.dval = result; |