Standardized optimization flags in make_defs.mk.

Details: - Per Dave Love's recommendation in issue #300, this commit defines COPTFLAGS := -03 and CRVECFLAGS := $(CKVECFLAGS) -funsafe-loop-optimizations in the make_defs.mk for all Intel- and AMD-based configurations.
2026-06-29 10:47:16 +00:00 · 2019-02-18 14:52:29 -06:00
parent 565fa3853b
commit 6a014a3377
16 changed files with 62 additions and 10 deletions
--- a/config/amd64/make_defs.mk
+++ b/config/amd64/make_defs.mk
@@ -57,7 +57,7 @@ endif
 ifeq ($(DEBUG_TYPE),noopt)
 COPTFLAGS      := -O0
 else
-COPTFLAGS      := -O2 -fomit-frame-pointer
+COPTFLAGS      := -O3
 endif

 # Flags specific to optimized kernels.
@@ -74,7 +74,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/bulldozer/make_defs.mk
+++ b/config/bulldozer/make_defs.mk
@@ -57,7 +57,7 @@ endif
 ifeq ($(DEBUG_TYPE),noopt)
 COPTFLAGS      := -O0
 else
-COPTFLAGS      := -O2 -funroll-all-loops
+COPTFLAGS      := -O3
 endif

 # Flags specific to optimized kernels.
@@ -74,7 +74,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/excavator/make_defs.mk
+++ b/config/excavator/make_defs.mk
@@ -57,7 +57,7 @@ endif
 ifeq ($(DEBUG_TYPE),noopt)
 COPTFLAGS      := -O0
 else
-COPTFLAGS      := -O2 -fomit-frame-pointer
+COPTFLAGS      := -O3
 endif

 # Flags specific to optimized kernels.
@@ -74,7 +74,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/generic/make_defs.mk
+++ b/config/generic/make_defs.mk
@@ -78,7 +78,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/haswell/make_defs.mk
+++ b/config/haswell/make_defs.mk
@@ -78,7 +78,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/intel64/make_defs.mk
+++ b/config/intel64/make_defs.mk
@@ -78,7 +78,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/knc/make_defs.mk
+++ b/config/knc/make_defs.mk
@@ -70,7 +70,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Override the default value for LDFLAGS.
 LDFLAGS        := -mmic
--- a/config/knl/make_defs.mk
+++ b/config/knl/make_defs.mk
@@ -99,7 +99,7 @@ endif
 # Note: We use AVX2 for reference kernels instead of AVX-512.
 CROPTFLAGS     := $(CKOPTFLAGS)
 ifeq ($(CC_VENDOR),gcc)
-CRVECFLAGS     := -march=knl -mno-avx512f -mno-avx512pf -mno-avx512er -mno-avx512cd
+CRVECFLAGS     := -march=knl -mno-avx512f -mno-avx512pf -mno-avx512er -mno-avx512cd -funsafe-loop-optimizations
 else
 ifeq ($(CC_VENDOR),icc)
 CRVECFLAGS     := -xMIC-AVX512
--- a/config/penryn/make_defs.mk
+++ b/config/penryn/make_defs.mk
@@ -57,7 +57,7 @@ endif
 ifeq ($(DEBUG_TYPE),noopt)
 COPTFLAGS      := -O0
 else
-COPTFLAGS      := -O2 -fomit-frame-pointer
+COPTFLAGS      := -O3
 endif

 # Flags specific to optimized kernels.
@@ -78,7 +78,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/piledriver/make_defs.mk
+++ b/config/piledriver/make_defs.mk
@@ -57,7 +57,7 @@ endif
 ifeq ($(DEBUG_TYPE),noopt)
 COPTFLAGS      := -O0
 else
-COPTFLAGS      := -O2 -fomit-frame-pointer
+COPTFLAGS      := -O3
 endif

 # Flags specific to optimized kernels.
@@ -74,7 +74,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/sandybridge/make_defs.mk
+++ b/config/sandybridge/make_defs.mk
@@ -78,7 +78,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/skx/make_defs.mk
+++ b/config/skx/make_defs.mk
@@ -89,7 +89,7 @@ endif
 # to overcome the AVX-512 frequency drop". (Issue #187)
 CROPTFLAGS     := $(CKOPTFLAGS)
 ifeq ($(CC_VENDOR),gcc)
-CRVECFLAGS     := -march=skylake-avx512 -mno-avx512f -mno-avx512vl -mno-avx512bw -mno-avx512dq -mno-avx512cd
+CRVECFLAGS     := -march=skylake-avx512 -mno-avx512f -mno-avx512vl -mno-avx512bw -mno-avx512dq -mno-avx512cd -funsafe-loop-optimizations
 else
 ifeq ($(CC_VENDOR),icc)
 CRVECFLAGS     := -xCORE-AVX2
--- a/config/steamroller/make_defs.mk
+++ b/config/steamroller/make_defs.mk
@@ -57,7 +57,7 @@ endif
 ifeq ($(DEBUG_TYPE),noopt)
 COPTFLAGS      := -O0
 else
-COPTFLAGS      := -O2 -fomit-frame-pointer
+COPTFLAGS      := -O3
 endif

 # Flags specific to optimized kernels.
@@ -74,7 +74,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/template/make_defs.mk
+++ b/config/template/make_defs.mk
@@ -57,7 +57,7 @@ endif
 ifeq ($(DEBUG_TYPE),noopt)
 COPTFLAGS      := -O0
 else
-COPTFLAGS      := -O2
+COPTFLAGS      := -O3
 endif

 # Flags specific to optimized kernels.
--- a/config/x86_64/make_defs.mk
+++ b/config/x86_64/make_defs.mk
@@ -78,7 +78,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.
--- a/config/zen/make_defs.mk
+++ b/config/zen/make_defs.mk
@@ -57,7 +57,7 @@ endif
 ifeq ($(DEBUG_TYPE),noopt)
 COPTFLAGS      := -O0
 else
-COPTFLAGS      := -O3 -fomit-frame-pointer
+COPTFLAGS      := -O3
 endif

 # Flags specific to optimized kernels.
@@ -78,7 +78,11 @@ endif

 # Flags specific to reference kernels.
 CROPTFLAGS     := $(CKOPTFLAGS)
+ifeq ($(CC_VENDOR),gcc)
+CRVECFLAGS     := $(CKVECFLAGS) -funsafe-loop-optimizations
+else
 CRVECFLAGS     := $(CKVECFLAGS)
+endif

 # Store all of the variables here to new variables containing the
 # configuration name.