[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [qemu-upstream-unstable] misc: Use new rotate functions
commit a2c9dc504a28d07284d87a4ef10ad66f6f864b42 Author: Stefan Weil <sw@xxxxxxxxxxx> AuthorDate: Thu Sep 12 21:13:13 2013 +0200 Commit: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx> CommitDate: Mon Dec 2 21:31:11 2013 -0600 misc: Use new rotate functions Signed-off-by: Stefan Weil <sw@xxxxxxxxxxx> (cherry picked from commit 3df2b8fde949be86d8a78923c992fdd698d4ea4c) Signed-off-by: Michael Roth <mdroth@xxxxxxxxxxxxxxxxxx> --- target-arm/iwmmxt_helper.c | 2 +- tcg/optimize.c | 12 ++++-------- tci.c | 8 ++++---- 3 files changed, 9 insertions(+), 13 deletions(-) diff --git a/target-arm/iwmmxt_helper.c b/target-arm/iwmmxt_helper.c index 7953b53..e6cfa62 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 b35868a..adb5258 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 b09ad25..53c4b66 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 -- generated by git-patchbot for /home/xen/git/qemu-upstream-unstable.git _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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