From 127f489c2c7e9ff0e6cd5f990dab497ea3cf7e87 Mon Sep 17 00:00:00 2001 From: Heikki Linnakangas Date: Wed, 4 Apr 2018 11:20:53 +0300 Subject: [PATCH] Fix incorrect description of USE_SLICING_BY_8_CRC32C. And a typo in the description of USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, spotted by Daniel Gustafsson. --- configure.in | 4 ++-- src/include/pg_config.h.in | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/configure.in b/configure.in index cb9831637e4..29f88ac2a62 100644 --- a/configure.in +++ b/configure.in @@ -1918,11 +1918,11 @@ if test x"$USE_SSE42_CRC32C" = x"1"; then AC_MSG_RESULT(SSE 4.2) else if test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"1"; then - AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSSE 4.2 CRC instructions with a runtime check.]) + AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check.]) PG_CRC32C_OBJS="pg_crc32c_sse42.o pg_crc32c_sb8.o pg_crc32c_choose.o" AC_MSG_RESULT(SSE 4.2 with runtime check) else - AC_DEFINE(USE_SLICING_BY_8_CRC32C, 1, [Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check.]) + AC_DEFINE(USE_SLICING_BY_8_CRC32C, 1, [Define to 1 to use software CRC-32C implementation (slicing-by-8).]) PG_CRC32C_OBJS="pg_crc32c_sb8.o" AC_MSG_RESULT(slicing-by-8) fi diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in index 4931f4cf80e..5cfd94e8cb5 100644 --- a/src/include/pg_config.h.in +++ b/src/include/pg_config.h.in @@ -847,13 +847,13 @@ /* Use replacement snprintf() functions. */ #undef USE_REPL_SNPRINTF -/* Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check. */ +/* Define to 1 to use software CRC-32C implementation (slicing-by-8). */ #undef USE_SLICING_BY_8_CRC32C /* Define to 1 use Intel SSE 4.2 CRC instructions. */ #undef USE_SSE42_CRC32C -/* Define to 1 to use Intel SSSE 4.2 CRC instructions with a runtime check. */ +/* Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check. */ #undef USE_SSE42_CRC32C_WITH_RUNTIME_CHECK /* Define to select SysV-style semaphores. */