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set m_op as well when doing a-(-b) => a+b peephole

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This commit is contained in:
Dale Weiler 2021-03-26 18:57:31 -04:00
parent 465941f357
commit 13bcb5c5b1
1 changed files with 2 additions and 2 deletions
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4
ast.cpp
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@ -301,11 +301,11 @@ ast_binary::ast_binary(lex_ctx_t ctx, int op,
/* make a-(-b) => a + b */
if (unary->m_op == VINSTR_NEG_F || unary->m_op == VINSTR_NEG_V) {
if (op == INSTR_SUB_F) {
op = INSTR_ADD_F;
op = m_op = INSTR_ADD_F;
right = normal;
++opts_optimizationcount[OPTIM_PEEPHOLE];
} else if (op == INSTR_SUB_V) {
op = INSTR_ADD_V;
op = m_op = INSTR_ADD_V;
right = normal;
++opts_optimizationcount[OPTIM_PEEPHOLE];
}