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authorStefan Weil <sw@weilnetz.de>2013-09-12 21:13:13 +0200
committerMichael Roth <mdroth@linux.vnet.ibm.com>2013-12-02 21:31:11 -0600
commita2c9dc504a28d07284d87a4ef10ad66f6f864b42 (patch)
tree686c127e5fd2d66d9a48cc0da3a5b5aa0922c7da
parent927fab3e061eba4feaaaa0c7409b431f4340197d (diff)
downloadqemu-a2c9dc504a28d07284d87a4ef10ad66f6f864b42.tar.gz
misc: Use new rotate functions
Signed-off-by: Stefan Weil <sw@weilnetz.de> (cherry picked from commit 3df2b8fde949be86d8a78923c992fdd698d4ea4c) Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
-rw-r--r--target-arm/iwmmxt_helper.c2
-rw-r--r--tcg/optimize.c12
-rw-r--r--tci.c8
3 files changed, 9 insertions, 13 deletions
diff --git a/target-arm/iwmmxt_helper.c b/target-arm/iwmmxt_helper.c
index 7953b53f7e..e6cfa62da8 100644
--- a/target-arm/iwmmxt_helper.c
+++ b/target-arm/iwmmxt_helper.c
@@ -577,7 +577,7 @@ uint64_t HELPER(iwmmxt_rorl)(CPUARMState *env, uint64_t x, uint32_t n)
uint64_t HELPER(iwmmxt_rorq)(CPUARMState *env, uint64_t x, uint32_t n)
{
- x = (x >> n) | (x << (64 - n));
+ x = ror64(x, n);
env->iwmmxt.cregs[ARM_IWMMXT_wCASF] = NZBIT64(x);
return x;
}
diff --git a/tcg/optimize.c b/tcg/optimize.c
index b35868afbc..adb52581c9 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -236,20 +236,16 @@ static TCGArg do_constant_folding_2(TCGOpcode op, TCGArg x, TCGArg y)
return (int64_t)x >> (int64_t)y;
case INDEX_op_rotr_i32:
- x = ((uint32_t)x << (32 - y)) | ((uint32_t)x >> y);
- return x;
+ return ror32(x, y);
case INDEX_op_rotr_i64:
- x = ((uint64_t)x << (64 - y)) | ((uint64_t)x >> y);
- return x;
+ return ror64(x, y);
case INDEX_op_rotl_i32:
- x = ((uint32_t)x << y) | ((uint32_t)x >> (32 - y));
- return x;
+ return rol32(x, y);
case INDEX_op_rotl_i64:
- x = ((uint64_t)x << y) | ((uint64_t)x >> (64 - y));
- return x;
+ return rol64(x, y);
CASE_OP_32_64(not):
return ~x;
diff --git a/tci.c b/tci.c
index b09ad256c3..53c4b66545 100644
--- a/tci.c
+++ b/tci.c
@@ -688,13 +688,13 @@ tcg_target_ulong tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
- tci_write_reg32(t0, (t1 << t2) | (t1 >> (32 - t2)));
+ tci_write_reg32(t0, rol32(t1, t2));
break;
case INDEX_op_rotr_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
- tci_write_reg32(t0, (t1 >> t2) | (t1 << (32 - t2)));
+ tci_write_reg32(t0, ror32(t1, t2));
break;
#endif
#if TCG_TARGET_HAS_deposit_i32
@@ -955,13 +955,13 @@ tcg_target_ulong tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
- tci_write_reg64(t0, (t1 << t2) | (t1 >> (64 - t2)));
+ tci_write_reg64(t0, rol64(t1, t2));
break;
case INDEX_op_rotr_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
- tci_write_reg64(t0, (t1 >> t2) | (t1 << (64 - t2)));
+ tci_write_reg64(t0, ror64(t1, t2));
break;
#endif
#if TCG_TARGET_HAS_deposit_i64