v1-0005-Make-btint4cmp-branchless.patch
text/x-patch
Filename: v1-0005-Make-btint4cmp-branchless.patch
Type: text/x-patch
Part: 3
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Format: format-patch
Series: patch v1-0005
Subject: Make btint4cmp() branchless
| File | + | − |
|---|---|---|
| src/backend/access/nbtree/nbtcompare.c | 2 | 6 |
From 915bd326de5ebde4149093d52fff9c710e557de2 Mon Sep 17 00:00:00 2001 From: David Geier <geidav.pg@gmail.com> Date: Mon, 10 Nov 2025 15:40:11 +0100 Subject: [PATCH v1 5/8] Make btint4cmp() branchless --- src/backend/access/nbtree/nbtcompare.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/src/backend/access/nbtree/nbtcompare.c b/src/backend/access/nbtree/nbtcompare.c index bffc4b7709c..5ae27c22621 100644 --- a/src/backend/access/nbtree/nbtcompare.c +++ b/src/backend/access/nbtree/nbtcompare.c @@ -60,6 +60,7 @@ #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 @@ -202,12 +203,7 @@ 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 -- 2.51.0