Lower the fcmp instruction for <4 x float> operands.
Most fcmp conditions map directly to single x86 instructions. For
these, the lowering is table driven.
BUG=none
R=jvoung@chromium.org, stichnot@chromium.org
Review URL: https://codereview.chromium.org/413053002
diff --git a/src/IceTargetLoweringX8632.def b/src/IceTargetLoweringX8632.def
index b88091a..5dc1d13 100644
--- a/src/IceTargetLoweringX8632.def
+++ b/src/IceTargetLoweringX8632.def
@@ -15,25 +15,26 @@
#ifndef SUBZERO_SRC_ICETARGETLOWERINGX8632_DEF
#define SUBZERO_SRC_ICETARGETLOWERINGX8632_DEF
-#define FCMPX8632_TABLE \
- /* val, dflt, swap, C1, C2 */ \
- X(False, 0, 0, Br_None, Br_None) \
- X(Oeq, 0, 0, Br_ne, Br_p) \
- X(Ogt, 1, 0, Br_a, Br_None) \
- X(Oge, 1, 0, Br_ae, Br_None) \
- X(Olt, 1, 1, Br_a, Br_None) \
- X(Ole, 1, 1, Br_ae, Br_None) \
- X(One, 1, 0, Br_ne, Br_None) \
- X(Ord, 1, 0, Br_np, Br_None) \
- X(Ueq, 1, 0, Br_e, Br_None) \
- X(Ugt, 1, 1, Br_b, Br_None) \
- X(Uge, 1, 1, Br_be, Br_None) \
- X(Ult, 1, 0, Br_b, Br_None) \
- X(Ule, 1, 0, Br_be, Br_None) \
- X(Une, 1, 0, Br_ne, Br_p) \
- X(Uno, 1, 0, Br_p, Br_None) \
- X(True, 1, 0, Br_None, Br_None) \
-//#define X(val, dflt, swap, C1, C2)
+#define FCMPX8632_TABLE \
+ /* <---- scalar comparison ----> <- vector comparison -> */ \
+ /* val, dflt, swap, C1, C2, swap, predicate */ \
+ X(False, 0, 0, Br_None, Br_None, 0, Cmpps_Invalid) \
+ X(Oeq, 0, 0, Br_ne, Br_p, 0, Cmpps_eq) \
+ X(Ogt, 1, 0, Br_a, Br_None, 1, Cmpps_lt) \
+ X(Oge, 1, 0, Br_ae, Br_None, 1, Cmpps_le) \
+ X(Olt, 1, 1, Br_a, Br_None, 0, Cmpps_lt) \
+ X(Ole, 1, 1, Br_ae, Br_None, 0, Cmpps_le) \
+ X(One, 1, 0, Br_ne, Br_None, 0, Cmpps_Invalid) \
+ X(Ord, 1, 0, Br_np, Br_None, 0, Cmpps_ord) \
+ X(Ueq, 1, 0, Br_e, Br_None, 0, Cmpps_Invalid) \
+ X(Ugt, 1, 1, Br_b, Br_None, 0, Cmpps_nle) \
+ X(Uge, 1, 1, Br_be, Br_None, 0, Cmpps_nlt) \
+ X(Ult, 1, 0, Br_b, Br_None, 1, Cmpps_nle) \
+ X(Ule, 1, 0, Br_be, Br_None, 1, Cmpps_nlt) \
+ X(Une, 1, 0, Br_ne, Br_p, 0, Cmpps_neq) \
+ X(Uno, 1, 0, Br_p, Br_None, 0, Cmpps_unord) \
+ X(True, 1, 0, Br_None, Br_None, 0, Cmpps_Invalid) \
+//#define X(val, dflt, swapS, C1, C2, swapV, pred)
#define ICMPX8632_TABLE \
/* val, C_32, C1_64, C2_64, C3_64 */ \
