From b6617c8821548350a490c14894a4fe0dba07fc73 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Tue, 24 Aug 2021 10:44:53 -0700 Subject: tcg/optimize: Split out fold_extract, fold_sextract MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reviewed-by: Luis Pires Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- tcg/optimize.c | 48 ++++++++++++++++++++++++++++++------------------ 1 file changed, 30 insertions(+), 18 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index faedbdbfb8..3bd5f043c8 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -888,6 +888,18 @@ static bool fold_eqv(OptContext *ctx, TCGOp *op) return fold_const2(ctx, op); } +static bool fold_extract(OptContext *ctx, TCGOp *op) +{ + if (arg_is_const(op->args[1])) { + uint64_t t; + + t = arg_info(op->args[1])->val; + t = extract64(t, op->args[2], op->args[3]); + return tcg_opt_gen_movi(ctx, op, op->args[0], t); + } + return false; +} + static bool fold_extract2(OptContext *ctx, TCGOp *op) { if (arg_is_const(op->args[1]) && arg_is_const(op->args[2])) { @@ -1126,6 +1138,18 @@ static bool fold_setcond2(OptContext *ctx, TCGOp *op) return tcg_opt_gen_movi(ctx, op, op->args[0], i); } +static bool fold_sextract(OptContext *ctx, TCGOp *op) +{ + if (arg_is_const(op->args[1])) { + uint64_t t; + + t = arg_info(op->args[1])->val; + t = sextract64(t, op->args[2], op->args[3]); + return tcg_opt_gen_movi(ctx, op, op->args[0], t); + } + return false; +} + static bool fold_shift(OptContext *ctx, TCGOp *op) { return fold_const2(ctx, op); @@ -1727,24 +1751,6 @@ void tcg_optimize(TCGContext *s) } break; - CASE_OP_32_64(extract): - if (arg_is_const(op->args[1])) { - tmp = extract64(arg_info(op->args[1])->val, - op->args[2], op->args[3]); - tcg_opt_gen_movi(&ctx, op, op->args[0], tmp); - continue; - } - break; - - CASE_OP_32_64(sextract): - if (arg_is_const(op->args[1])) { - tmp = sextract64(arg_info(op->args[1])->val, - op->args[2], op->args[3]); - tcg_opt_gen_movi(&ctx, op, op->args[0], tmp); - continue; - } - break; - default: break; @@ -1779,6 +1785,9 @@ void tcg_optimize(TCGContext *s) CASE_OP_32_64(eqv): done = fold_eqv(&ctx, op); break; + CASE_OP_32_64(extract): + done = fold_extract(&ctx, op); + break; CASE_OP_32_64(extract2): done = fold_extract2(&ctx, op); break; @@ -1856,6 +1865,9 @@ void tcg_optimize(TCGContext *s) case INDEX_op_setcond2_i32: done = fold_setcond2(&ctx, op); break; + CASE_OP_32_64(sextract): + done = fold_sextract(&ctx, op); + break; CASE_OP_32_64_VEC(sub): done = fold_sub(&ctx, op); break; -- cgit v1.2.3