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authorRichard Henderson <rth@twiddle.net>2011-08-17 14:11:45 -0700
committerBlue Swirl <blauwirbel@gmail.com>2011-08-21 18:52:22 +0000
commit8399ad59e73a0f48af3edef62f021e2cb6220e12 (patch)
treebd7382f9e8574f1449cd36a8e00b86e6c3a2842f /tcg
parent4b29ec41c82a6e6c6a50263818e81944ef522fb2 (diff)
downloadqemu-arm-8399ad59e73a0f48af3edef62f021e2cb6220e12.tar.gz
tcg: Add and use TCG_OPF_64BIT.
This allows the simplification of the op_bits function from tcg/optimize.c. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/optimize.c77
-rw-r--r--tcg/tcg-opc.h98
-rw-r--r--tcg/tcg.c2
-rw-r--r--tcg/tcg.h21
4 files changed, 67 insertions, 131 deletions
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 7eb5eb1c70..98c7e3f41c 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -92,81 +92,10 @@ static void reset_temp(TCGArg temp, int nb_temps, int nb_globals)
}
}
-static int op_bits(int op)
+static int op_bits(enum TCGOpcode op)
{
- switch (op) {
- case INDEX_op_mov_i32:
- case INDEX_op_add_i32:
- case INDEX_op_sub_i32:
- case INDEX_op_mul_i32:
- case INDEX_op_and_i32:
- case INDEX_op_or_i32:
- case INDEX_op_xor_i32:
- case INDEX_op_shl_i32:
- case INDEX_op_shr_i32:
- case INDEX_op_sar_i32:
-#ifdef TCG_TARGET_HAS_rot_i32
- case INDEX_op_rotl_i32:
- case INDEX_op_rotr_i32:
-#endif
-#ifdef TCG_TARGET_HAS_not_i32
- case INDEX_op_not_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext8s_i32
- case INDEX_op_ext8s_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext16s_i32
- case INDEX_op_ext16s_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext8u_i32
- case INDEX_op_ext8u_i32:
-#endif
-#ifdef TCG_TARGET_HAS_ext16u_i32
- case INDEX_op_ext16u_i32:
-#endif
- return 32;
-#if TCG_TARGET_REG_BITS == 64
- case INDEX_op_mov_i64:
- case INDEX_op_add_i64:
- case INDEX_op_sub_i64:
- case INDEX_op_mul_i64:
- case INDEX_op_and_i64:
- case INDEX_op_or_i64:
- case INDEX_op_xor_i64:
- case INDEX_op_shl_i64:
- case INDEX_op_shr_i64:
- case INDEX_op_sar_i64:
-#ifdef TCG_TARGET_HAS_rot_i64
- case INDEX_op_rotl_i64:
- case INDEX_op_rotr_i64:
-#endif
-#ifdef TCG_TARGET_HAS_not_i64
- case INDEX_op_not_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext8s_i64
- case INDEX_op_ext8s_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext16s_i64
- case INDEX_op_ext16s_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext32s_i64
- case INDEX_op_ext32s_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext8u_i64
- case INDEX_op_ext8u_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext16u_i64
- case INDEX_op_ext16u_i64:
-#endif
-#ifdef TCG_TARGET_HAS_ext32u_i64
- case INDEX_op_ext32u_i64:
-#endif
- return 64;
-#endif
- default:
- fprintf(stderr, "Unrecognized operation %d in op_bits.\n", op);
- tcg_abort();
- }
+ const TCGOpDef *def = &tcg_op_defs[op];
+ return def->flags & TCG_OPF_64BIT ? 64 : 32;
}
static int op_to_movi(int op)
diff --git a/tcg/tcg-opc.h b/tcg/tcg-opc.h
index 2c7ca1a450..b48669b745 100644
--- a/tcg/tcg-opc.h
+++ b/tcg/tcg-opc.h
@@ -131,98 +131,98 @@ DEF(nor_i32, 1, 2, 0, 0)
#endif
#if TCG_TARGET_REG_BITS == 64
-DEF(mov_i64, 1, 1, 0, 0)
-DEF(movi_i64, 1, 0, 1, 0)
-DEF(setcond_i64, 1, 2, 1, 0)
+DEF(mov_i64, 1, 1, 0, TCG_OPF_64BIT)
+DEF(movi_i64, 1, 0, 1, TCG_OPF_64BIT)
+DEF(setcond_i64, 1, 2, 1, TCG_OPF_64BIT)
/* load/store */
-DEF(ld8u_i64, 1, 1, 1, 0)
-DEF(ld8s_i64, 1, 1, 1, 0)
-DEF(ld16u_i64, 1, 1, 1, 0)
-DEF(ld16s_i64, 1, 1, 1, 0)
-DEF(ld32u_i64, 1, 1, 1, 0)
-DEF(ld32s_i64, 1, 1, 1, 0)
-DEF(ld_i64, 1, 1, 1, 0)
-DEF(st8_i64, 0, 2, 1, TCG_OPF_SIDE_EFFECTS)
-DEF(st16_i64, 0, 2, 1, TCG_OPF_SIDE_EFFECTS)
-DEF(st32_i64, 0, 2, 1, TCG_OPF_SIDE_EFFECTS)
-DEF(st_i64, 0, 2, 1, TCG_OPF_SIDE_EFFECTS)
+DEF(ld8u_i64, 1, 1, 1, TCG_OPF_64BIT)
+DEF(ld8s_i64, 1, 1, 1, TCG_OPF_64BIT)
+DEF(ld16u_i64, 1, 1, 1, TCG_OPF_64BIT)
+DEF(ld16s_i64, 1, 1, 1, TCG_OPF_64BIT)
+DEF(ld32u_i64, 1, 1, 1, TCG_OPF_64BIT)
+DEF(ld32s_i64, 1, 1, 1, TCG_OPF_64BIT)
+DEF(ld_i64, 1, 1, 1, TCG_OPF_64BIT)
+DEF(st8_i64, 0, 2, 1, TCG_OPF_SIDE_EFFECTS | TCG_OPF_64BIT)
+DEF(st16_i64, 0, 2, 1, TCG_OPF_SIDE_EFFECTS | TCG_OPF_64BIT)
+DEF(st32_i64, 0, 2, 1, TCG_OPF_SIDE_EFFECTS | TCG_OPF_64BIT)
+DEF(st_i64, 0, 2, 1, TCG_OPF_SIDE_EFFECTS | TCG_OPF_64BIT)
/* arith */
-DEF(add_i64, 1, 2, 0, 0)
-DEF(sub_i64, 1, 2, 0, 0)
-DEF(mul_i64, 1, 2, 0, 0)
+DEF(add_i64, 1, 2, 0, TCG_OPF_64BIT)
+DEF(sub_i64, 1, 2, 0, TCG_OPF_64BIT)
+DEF(mul_i64, 1, 2, 0, TCG_OPF_64BIT)
#ifdef TCG_TARGET_HAS_div_i64
-DEF(div_i64, 1, 2, 0, 0)
-DEF(divu_i64, 1, 2, 0, 0)
-DEF(rem_i64, 1, 2, 0, 0)
-DEF(remu_i64, 1, 2, 0, 0)
+DEF(div_i64, 1, 2, 0, TCG_OPF_64BIT)
+DEF(divu_i64, 1, 2, 0, TCG_OPF_64BIT)
+DEF(rem_i64, 1, 2, 0, TCG_OPF_64BIT)
+DEF(remu_i64, 1, 2, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_div2_i64
-DEF(div2_i64, 2, 3, 0, 0)
-DEF(divu2_i64, 2, 3, 0, 0)
+DEF(div2_i64, 2, 3, 0, TCG_OPF_64BIT)
+DEF(divu2_i64, 2, 3, 0, TCG_OPF_64BIT)
#endif
-DEF(and_i64, 1, 2, 0, 0)
-DEF(or_i64, 1, 2, 0, 0)
-DEF(xor_i64, 1, 2, 0, 0)
+DEF(and_i64, 1, 2, 0, TCG_OPF_64BIT)
+DEF(or_i64, 1, 2, 0, TCG_OPF_64BIT)
+DEF(xor_i64, 1, 2, 0, TCG_OPF_64BIT)
/* shifts/rotates */
-DEF(shl_i64, 1, 2, 0, 0)
-DEF(shr_i64, 1, 2, 0, 0)
-DEF(sar_i64, 1, 2, 0, 0)
+DEF(shl_i64, 1, 2, 0, TCG_OPF_64BIT)
+DEF(shr_i64, 1, 2, 0, TCG_OPF_64BIT)
+DEF(sar_i64, 1, 2, 0, TCG_OPF_64BIT)
#ifdef TCG_TARGET_HAS_rot_i64
-DEF(rotl_i64, 1, 2, 0, 0)
-DEF(rotr_i64, 1, 2, 0, 0)
+DEF(rotl_i64, 1, 2, 0, TCG_OPF_64BIT)
+DEF(rotr_i64, 1, 2, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_deposit_i64
-DEF(deposit_i64, 1, 2, 2, 0)
+DEF(deposit_i64, 1, 2, 2, TCG_OPF_64BIT)
#endif
-DEF(brcond_i64, 0, 2, 2, TCG_OPF_BB_END | TCG_OPF_SIDE_EFFECTS)
+DEF(brcond_i64, 0, 2, 2, TCG_OPF_BB_END | TCG_OPF_SIDE_EFFECTS | TCG_OPF_64BIT)
#ifdef TCG_TARGET_HAS_ext8s_i64
-DEF(ext8s_i64, 1, 1, 0, 0)
+DEF(ext8s_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_ext16s_i64
-DEF(ext16s_i64, 1, 1, 0, 0)
+DEF(ext16s_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_ext32s_i64
-DEF(ext32s_i64, 1, 1, 0, 0)
+DEF(ext32s_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_ext8u_i64
-DEF(ext8u_i64, 1, 1, 0, 0)
+DEF(ext8u_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_ext16u_i64
-DEF(ext16u_i64, 1, 1, 0, 0)
+DEF(ext16u_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_ext32u_i64
-DEF(ext32u_i64, 1, 1, 0, 0)
+DEF(ext32u_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_bswap16_i64
-DEF(bswap16_i64, 1, 1, 0, 0)
+DEF(bswap16_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_bswap32_i64
-DEF(bswap32_i64, 1, 1, 0, 0)
+DEF(bswap32_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_bswap64_i64
-DEF(bswap64_i64, 1, 1, 0, 0)
+DEF(bswap64_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_not_i64
-DEF(not_i64, 1, 1, 0, 0)
+DEF(not_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_neg_i64
-DEF(neg_i64, 1, 1, 0, 0)
+DEF(neg_i64, 1, 1, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_andc_i64
-DEF(andc_i64, 1, 2, 0, 0)
+DEF(andc_i64, 1, 2, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_orc_i64
-DEF(orc_i64, 1, 2, 0, 0)
+DEF(orc_i64, 1, 2, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_eqv_i64
-DEF(eqv_i64, 1, 2, 0, 0)
+DEF(eqv_i64, 1, 2, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_nand_i64
-DEF(nand_i64, 1, 2, 0, 0)
+DEF(nand_i64, 1, 2, 0, TCG_OPF_64BIT)
#endif
#ifdef TCG_TARGET_HAS_nor_i64
-DEF(nor_i64, 1, 2, 0, 0)
+DEF(nor_i64, 1, 2, 0, TCG_OPF_64BIT)
#endif
#endif
diff --git a/tcg/tcg.c b/tcg/tcg.c
index c735348a2d..70f19e4e9e 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -68,7 +68,7 @@ static void tcg_target_qemu_prologue(TCGContext *s);
static void patch_reloc(uint8_t *code_ptr, int type,
tcg_target_long value, tcg_target_long addend);
-static TCGOpDef tcg_op_defs[] = {
+TCGOpDef tcg_op_defs[] = {
#define DEF(s, oargs, iargs, cargs, flags) { #s, oargs, iargs, cargs, iargs + oargs + cargs, flags },
#include "tcg-opc.h"
#undef DEF
diff --git a/tcg/tcg.h b/tcg/tcg.h
index e2a7095bb5..6a4f6e477c 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -445,13 +445,18 @@ typedef struct TCGArgConstraint {
#define TCG_MAX_OP_ARGS 16
-#define TCG_OPF_BB_END 0x01 /* instruction defines the end of a basic
- block */
-#define TCG_OPF_CALL_CLOBBER 0x02 /* instruction clobbers call registers
- and potentially update globals. */
-#define TCG_OPF_SIDE_EFFECTS 0x04 /* instruction has side effects : it
- cannot be removed if its output
- are not used */
+/* Bits for TCGOpDef->flags, 8 bits available. */
+enum {
+ /* Instruction defines the end of a basic block. */
+ TCG_OPF_BB_END = 0x01,
+ /* Instruction clobbers call registers and potentially update globals. */
+ TCG_OPF_CALL_CLOBBER = 0x02,
+ /* Instruction has side effects: it cannot be removed
+ if its outputs are not used. */
+ TCG_OPF_SIDE_EFFECTS = 0x04,
+ /* Instruction operands are 64-bits (otherwise 32-bits). */
+ TCG_OPF_64BIT = 0x08,
+};
typedef struct TCGOpDef {
const char *name;
@@ -463,6 +468,8 @@ typedef struct TCGOpDef {
int used;
#endif
} TCGOpDef;
+
+extern TCGOpDef tcg_op_defs[];
typedef struct TCGTargetOpDef {
TCGOpcode op;