diff options
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/tcg.c | 71 |
1 files changed, 41 insertions, 30 deletions
@@ -536,7 +536,7 @@ typedef struct TCGHelperInfo { void *func; const char *name; unsigned flags; - unsigned sizemask; + unsigned typemask; } TCGHelperInfo; #include "exec/helper-proto.h" @@ -1395,13 +1395,13 @@ bool tcg_op_supported(TCGOpcode op) void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) { int i, real_args, nb_rets, pi; - unsigned sizemask, flags; + unsigned typemask, flags; TCGHelperInfo *info; TCGOp *op; info = g_hash_table_lookup(helper_table, (gpointer)func); flags = info->flags; - sizemask = info->sizemask; + typemask = info->typemask; #ifdef CONFIG_PLUGIN /* detect non-plugin helpers */ @@ -1414,36 +1414,41 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) && !defined(CONFIG_TCG_INTERPRETER) /* We have 64-bit values in one register, but need to pass as two separate parameters. Split them. */ - int orig_sizemask = sizemask; + int orig_typemask = typemask; int orig_nargs = nargs; TCGv_i64 retl, reth; TCGTemp *split_args[MAX_OPC_PARAM]; retl = NULL; reth = NULL; - if (sizemask != 0) { - for (i = real_args = 0; i < nargs; ++i) { - int is_64bit = sizemask & (1 << (i+1)*2); - if (is_64bit) { - TCGv_i64 orig = temp_tcgv_i64(args[i]); - TCGv_i32 h = tcg_temp_new_i32(); - TCGv_i32 l = tcg_temp_new_i32(); - tcg_gen_extr_i64_i32(l, h, orig); - split_args[real_args++] = tcgv_i32_temp(h); - split_args[real_args++] = tcgv_i32_temp(l); - } else { - split_args[real_args++] = args[i]; - } + typemask = 0; + for (i = real_args = 0; i < nargs; ++i) { + int argtype = extract32(orig_typemask, (i + 1) * 3, 3); + bool is_64bit = (argtype & ~1) == dh_typecode_i64; + + if (is_64bit) { + TCGv_i64 orig = temp_tcgv_i64(args[i]); + TCGv_i32 h = tcg_temp_new_i32(); + TCGv_i32 l = tcg_temp_new_i32(); + tcg_gen_extr_i64_i32(l, h, orig); + split_args[real_args++] = tcgv_i32_temp(h); + typemask |= dh_typecode_i32 << (real_args * 3); + split_args[real_args++] = tcgv_i32_temp(l); + typemask |= dh_typecode_i32 << (real_args * 3); + } else { + split_args[real_args++] = args[i]; + typemask |= argtype << (real_args * 3); } - nargs = real_args; - args = split_args; - sizemask = 0; } + nargs = real_args; + args = split_args; #elif defined(TCG_TARGET_EXTEND_ARGS) && TCG_TARGET_REG_BITS == 64 for (i = 0; i < nargs; ++i) { - int is_64bit = sizemask & (1 << (i+1)*2); - int is_signed = sizemask & (2 << (i+1)*2); - if (!is_64bit) { + int argtype = extract32(typemask, (i + 1) * 3, 3); + bool is_32bit = (argtype & ~1) == dh_typecode_i32; + bool is_signed = argtype & 1; + + if (is_32bit) { TCGv_i64 temp = tcg_temp_new_i64(); TCGv_i64 orig = temp_tcgv_i64(args[i]); if (is_signed) { @@ -1462,7 +1467,7 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) if (ret != NULL) { #if defined(__sparc__) && !defined(__arch64__) \ && !defined(CONFIG_TCG_INTERPRETER) - if (orig_sizemask & 1) { + if ((typemask & 6) == dh_typecode_i64) { /* The 32-bit ABI is going to return the 64-bit value in the %o0/%o1 register pair. Prepare for this by using two return temporaries, and reassemble below. */ @@ -1476,7 +1481,7 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) nb_rets = 1; } #else - if (TCG_TARGET_REG_BITS < 64 && (sizemask & 1)) { + if (TCG_TARGET_REG_BITS < 64 && (typemask & 6) == dh_typecode_i64) { #ifdef HOST_WORDS_BIGENDIAN op->args[pi++] = temp_arg(ret + 1); op->args[pi++] = temp_arg(ret); @@ -1497,7 +1502,9 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) real_args = 0; for (i = 0; i < nargs; i++) { - int is_64bit = sizemask & (1 << (i+1)*2); + int argtype = extract32(typemask, (i + 1) * 3, 3); + bool is_64bit = (argtype & ~1) == dh_typecode_i64; + if (TCG_TARGET_REG_BITS < 64 && is_64bit) { #ifdef TCG_TARGET_CALL_ALIGN_ARGS /* some targets want aligned 64 bit args */ @@ -1542,7 +1549,9 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) && !defined(CONFIG_TCG_INTERPRETER) /* Free all of the parts we allocated above. */ for (i = real_args = 0; i < orig_nargs; ++i) { - int is_64bit = orig_sizemask & (1 << (i+1)*2); + int argtype = extract32(orig_typemask, (i + 1) * 3, 3); + bool is_64bit = (argtype & ~1) == dh_typecode_i64; + if (is_64bit) { tcg_temp_free_internal(args[real_args++]); tcg_temp_free_internal(args[real_args++]); @@ -1550,7 +1559,7 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) real_args++; } } - if (orig_sizemask & 1) { + if ((orig_typemask & 6) == dh_typecode_i64) { /* The 32-bit ABI returned two 32-bit pieces. Re-assemble them. Note that describing these as TCGv_i64 eliminates an unnecessary zero-extension that tcg_gen_concat_i32_i64 would create. */ @@ -1560,8 +1569,10 @@ void tcg_gen_callN(void *func, TCGTemp *ret, int nargs, TCGTemp **args) } #elif defined(TCG_TARGET_EXTEND_ARGS) && TCG_TARGET_REG_BITS == 64 for (i = 0; i < nargs; ++i) { - int is_64bit = sizemask & (1 << (i+1)*2); - if (!is_64bit) { + int argtype = extract32(typemask, (i + 1) * 3, 3); + bool is_32bit = (argtype & ~1) == dh_typecode_i32; + + if (is_32bit) { tcg_temp_free_internal(args[i]); } } |