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author | Richard Henderson <richard.henderson@linaro.org> | 2021-08-25 13:05:43 -0700 |
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committer | Richard Henderson <richard.henderson@linaro.org> | 2021-10-27 17:11:22 -0700 |
commit | 2cfac7fa482e015310968ee68b001db94789d190 (patch) | |
tree | 9b4c908d2fb73a83bdb7097631ccdc68a27c391d /tcg/optimize.c | |
parent | 8cdb3fcb8e69502963ca4127fab656e5ffe2be93 (diff) | |
download | qemu-2cfac7fa482e015310968ee68b001db94789d190.zip qemu-2cfac7fa482e015310968ee68b001db94789d190.tar.gz qemu-2cfac7fa482e015310968ee68b001db94789d190.tar.bz2 |
tcg/optimize: Split out fold_mov
This is the final entry in the main switch that was in a
different form. After this, we have the option to convert
the switch into a function dispatch table.
Reviewed-by: Luis Pires <luis.pires@eldorado.org.br>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/optimize.c')
-rw-r--r-- | tcg/optimize.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c index 8524fe1..5f1bd7c 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1015,6 +1015,11 @@ static bool fold_mb(OptContext *ctx, TCGOp *op) return true; } +static bool fold_mov(OptContext *ctx, TCGOp *op) +{ + return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[1]); +} + static bool fold_movcond(OptContext *ctx, TCGOp *op) { TCGOpcode opc = op->opc; @@ -1748,20 +1753,11 @@ void tcg_optimize(TCGContext *s) break; } - /* Propagate constants through copy operations and do constant - folding. Constants will be substituted to arguments by register - allocator where needed and possible. Also detect copies. */ + /* + * Process each opcode. + * Sorted alphabetically by opcode as much as possible. + */ switch (opc) { - CASE_OP_32_64_VEC(mov): - done = tcg_opt_gen_mov(&ctx, op, op->args[0], op->args[1]); - break; - - default: - break; - - /* ---------------------------------------------------------- */ - /* Sorted alphabetically by opcode as much as possible. */ - CASE_OP_32_64_VEC(add): done = fold_add(&ctx, op); break; @@ -1831,6 +1827,9 @@ void tcg_optimize(TCGContext *s) case INDEX_op_mb: done = fold_mb(&ctx, op); break; + CASE_OP_32_64_VEC(mov): + done = fold_mov(&ctx, op); + break; CASE_OP_32_64(movcond): done = fold_movcond(&ctx, op); break; @@ -1900,6 +1899,8 @@ void tcg_optimize(TCGContext *s) CASE_OP_32_64_VEC(xor): done = fold_xor(&ctx, op); break; + default: + break; } if (!done) { |