From 3fdb416695504f7d31cd1913f545145d2ed2d2f1 Mon Sep 17 00:00:00 2001 From: David Geier Date: Mon, 10 Nov 2025 15:40:11 +0100 Subject: [PATCH v9 1/3] Make btint4cmp() and btint8cmp() branchless --- src/backend/access/nbtree/nbtcompare.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/src/backend/access/nbtree/nbtcompare.c b/src/backend/access/nbtree/nbtcompare.c index 4e3a3a0f7ce..80dec200a3d 100644 --- a/src/backend/access/nbtree/nbtcompare.c +++ b/src/backend/access/nbtree/nbtcompare.c @@ -61,6 +61,7 @@ #include "utils/fmgrprotos.h" #include "utils/skipsupport.h" #include "utils/sortsupport.h" +#include "common/int.h" #ifdef STRESS_SORT_INT_MIN #define A_LESS_THAN_B INT_MIN @@ -194,12 +195,7 @@ btint4cmp(PG_FUNCTION_ARGS) int32 a = PG_GETARG_INT32(0); int32 b = PG_GETARG_INT32(1); - if (a > b) - PG_RETURN_INT32(A_GREATER_THAN_B); - else if (a == b) - PG_RETURN_INT32(0); - else - PG_RETURN_INT32(A_LESS_THAN_B); + PG_RETURN_INT32(pg_cmp_s32(a, b)); } Datum @@ -262,12 +258,7 @@ btint8cmp(PG_FUNCTION_ARGS) int64 a = PG_GETARG_INT64(0); int64 b = PG_GETARG_INT64(1); - if (a > b) - PG_RETURN_INT32(A_GREATER_THAN_B); - else if (a == b) - PG_RETURN_INT32(0); - else - PG_RETURN_INT32(A_LESS_THAN_B); + PG_RETURN_INT32(pg_cmp_s64(a, b)); } Datum -- 2.51.0