Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20211028' into staging

Improvements to qemu/int128
Fixes for 128/64 division.
Cleanup tcg/optimize.c
Optimize redundant sign extensions

# gpg: Signature made Thu 28 Oct 2021 09:06:00 PM PDT
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* remotes/rth/tags/pull-tcg-20211028: (60 commits)
  softmmu: fix for "after access" watchpoints
  softmmu: remove useless condition in watchpoint check
  softmmu: fix watchpoint processing in icount mode
  tcg/optimize: Propagate sign info for shifting
  tcg/optimize: Propagate sign info for bit counting
  tcg/optimize: Propagate sign info for setcond
  tcg/optimize: Propagate sign info for logical operations
  tcg/optimize: Optimize sign extensions
  tcg/optimize: Use fold_xx_to_i for rem
  tcg/optimize: Use fold_xi_to_x for div
  tcg/optimize: Use fold_xi_to_x for mul
  tcg/optimize: Use fold_xx_to_i for orc
  tcg/optimize: Stop forcing z_mask to "garbage" for 32-bit values
  tcg: Extend call args using the correct opcodes
  tcg/optimize: Sink commutative operand swapping into fold functions
  tcg/optimize: Expand fold_addsub2_i32 to 64-bit ops
  tcg/optimize: Expand fold_mulu2_i32 to all 4-arg multiplies
  tcg/optimize: Split out fold_masks
  tcg/optimize: Split out fold_ix_to_i
  tcg/optimize: Split out fold_xi_to_x
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/include/qemu/int128.h b/include/qemu/int128.h
index 2ac0746426..b6d517aea4 100644
--- a/include/qemu/int128.h
+++ b/include/qemu/int128.h
@@ -58,6 +58,11 @@ static inline Int128 int128_exts64(int64_t a)
     return a;
 }
 
+static inline Int128 int128_not(Int128 a)
+{
+    return ~a;
+}
+
 static inline Int128 int128_and(Int128 a, Int128 b)
 {
     return a & b;
@@ -68,6 +73,11 @@ static inline Int128 int128_or(Int128 a, Int128 b)
     return a | b;
 }
 
+static inline Int128 int128_xor(Int128 a, Int128 b)
+{
+    return a ^ b;
+}
+
 static inline Int128 int128_rshift(Int128 a, int n)
 {
     return a >> n;
@@ -235,6 +245,11 @@ static inline Int128 int128_exts64(int64_t a)
     return int128_make128(a, (a < 0) ? -1 : 0);
 }
 
+static inline Int128 int128_not(Int128 a)
+{
+    return int128_make128(~a.lo, ~a.hi);
+}
+
 static inline Int128 int128_and(Int128 a, Int128 b)
 {
     return int128_make128(a.lo & b.lo, a.hi & b.hi);
@@ -245,6 +260,11 @@ static inline Int128 int128_or(Int128 a, Int128 b)
     return int128_make128(a.lo | b.lo, a.hi | b.hi);
 }
 
+static inline Int128 int128_xor(Int128 a, Int128 b)
+{
+    return int128_make128(a.lo ^ b.lo, a.hi ^ b.hi);
+}
+
 static inline Int128 int128_rshift(Int128 a, int n)
 {
     int64_t h;