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authorAurelien Jarno <aurelien@aurel32.net>2012-09-10 13:14:12 +0200
committerAurelien Jarno <aurelien@aurel32.net>2012-09-19 21:40:47 +0200
commitd104bebd073cc05a1a572529a060857a377be6aa (patch)
treee0d4342d47b4550830673ee7a90373ccf92770b2 /tcg/optimize.c
parent332864bd95257111bf457e3f0501114028c107d6 (diff)
revert "TCG: fix copy propagation"
Given the copy propagation breakage on 32-bit hosts has been fixed commit e31b0a7c050711884ad570fe73df806520953618 can be reverted. Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'tcg/optimize.c')
-rw-r--r--tcg/optimize.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c
index fba0ed9592..10d9773dcb 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -107,15 +107,12 @@ static TCGOpcode op_to_movi(TCGOpcode op)
}
}
-static void tcg_opt_gen_mov(TCGContext *s, TCGArg *gen_args, TCGArg dst,
- TCGArg src, int nb_temps, int nb_globals)
+static void tcg_opt_gen_mov(TCGArg *gen_args, TCGArg dst, TCGArg src,
+ int nb_temps, int nb_globals)
{
reset_temp(dst, nb_temps, nb_globals);
assert(temps[src].state != TCG_TEMP_COPY);
- /* Don't try to copy if one of temps is a global or either one
- is local and another is register */
- if (src >= nb_globals && dst >= nb_globals &&
- tcg_arg_is_local(s, src) == tcg_arg_is_local(s, dst)) {
+ if (src >= nb_globals) {
assert(temps[src].state != TCG_TEMP_CONST);
if (temps[src].state != TCG_TEMP_HAS_COPY) {
temps[src].state = TCG_TEMP_HAS_COPY;
@@ -444,7 +441,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
gen_opc_buf[op_index] = INDEX_op_nop;
} else {
gen_opc_buf[op_index] = op_to_mov(op);
- tcg_opt_gen_mov(s, gen_args, args[0], args[1],
+ tcg_opt_gen_mov(gen_args, args[0], args[1],
nb_temps, nb_globals);
gen_args += 2;
}
@@ -482,7 +479,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
gen_opc_buf[op_index] = INDEX_op_nop;
} else {
gen_opc_buf[op_index] = op_to_mov(op);
- tcg_opt_gen_mov(s, gen_args, args[0], args[1], nb_temps,
+ tcg_opt_gen_mov(gen_args, args[0], args[1], nb_temps,
nb_globals);
gen_args += 2;
}
@@ -507,7 +504,7 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
break;
}
if (temps[args[1]].state != TCG_TEMP_CONST) {
- tcg_opt_gen_mov(s, gen_args, args[0], args[1],
+ tcg_opt_gen_mov(gen_args, args[0], args[1],
nb_temps, nb_globals);
gen_args += 2;
args += 2;