Add tests for calling valist and vararg functions

Author: Blackhex

.github/scripts/config.sh

@@ -5,7 +5,7 @@ set -x # echo on
 set -o pipefail # fail of any command in pipeline is an error
 
 BINUTILS_BRANCH=${BINUTILS_BRANCH:-woarm64-cygwin}
-GCC_BRANCH=${GCC_BRANCH:-woarm64-cygwin}
+GCC_BRANCH=${GCC_BRANCH:-fix-va-list-ucrt}
 MINGW_BRANCH=${MINGW_BRANCH:-woarm64-cygwin}
 CYGWIN_BRANCH=${CYGWIN_BRANCH:-woarm64}
 CYGWIN_PACKAGES_BRANCH=${CYGWIN_PACKAGES_BRANCH:-main}
@@ -14,7 +14,7 @@ COCOM_BRANCH=${COCOM_BRANCH:-master}
 ARCH=${ARCH:-aarch64}
 PLATFORM=${PLATFORM:-w64-mingw32}
 if [[ "$PLATFORM" =~ (mingw|cygwin) ]]; then
-    CRT=${CRT:-msvcrt}
+    CRT=${CRT:-ucrt}
 else
     CRT=${CRT:-libc}
 fi
@@ -72,10 +72,10 @@ else
 fi
 
 DEBUG=${DEBUG:-1} # Enable debug build.
-CCACHE=${CCACHE:-0} # Enable usage of ccache.
-RUN_BOOTSTRAP=${RUN_BOOTSTRAP:-0} # Bootstrap dependencies during the build.
-UPDATE_SOURCES=${UPDATE_SOURCES:-0} # Update source code repositories.
-RESET_SOURCES=${RESET_SOURCES:-0} # Reset source code repositories before update.
+CCACHE=${CCACHE:-1} # Enable usage of ccache.
+RUN_BOOTSTRAP=${RUN_BOOTSTRAP:-1} # Bootstrap dependencies during the build.
+UPDATE_SOURCES=${UPDATE_SOURCES:-1} # Update source code repositories.
+RESET_SOURCES=${RESET_SOURCES:-1} # Reset source code repositories before update.
 RUN_CONFIG=${RUN_CONFIG:-1} # Run configuration step.
 RUN_INSTALL=${RUN_INSTALL:-1} # Run installation step.
 DELETE_BUILD=${DELETE_BUILD:-0} # Delete build folders after successful builds.

.github/scripts/toolchain/execute-gcc-tests.sh

@@ -35,7 +35,7 @@ echo "::group::Execute GCC tests"
     make $BUILD_MAKE_OPTIONS -k $MAKE_TARGET \
         RUNTESTFLAGS="$FILTER $HOST_BOARD $TARGET_BOARD" \
         DEJAGNU="$DEJAGNU_FILE" \
-        CHECK_TEST_FRAMEWORK=1 \
+        CHECK_TEST_FRAMEWORK=0 \
         || echo "Error"
 
     mkdir -p $TEST_RESULTS_PATH

compare-test-results.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+.github/scripts/toolchain/compare-gcc-results.sh va-list-before va-list-after

execute-valist-tests.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+FILTER="va-*\ *-va-*\ va_*\ *_va_*\ *var_copy*\ *varg*\ *vaarg*\ *vararg*\ *stdar*\ *printf*"
+
+.github/scripts/toolchain/execute-gcc-tests.sh gcc-tests-va-list-after "" "\
+  aapcs.exp=$FILTER \
+  aapcs64.exp=$FILTER \
+  aarch64-sve-pcs.exp=$FILTER \
+  aarch64.exp=$FILTER \
+  analyzer.exp=$FILTER \
+  compile.exp=$FILTER \
+  dfp.exp=$FILTER \
+  dg.exp=$FILTER \
+  fixed-point.exp=$FILTER \
+  execute.exp=$FILTER \
+  noncompile.exp=$FILTER \
+  stackalign.exp=$FILTER \
+  torture.exp=$FILTER \
+  tree-prof.exp=$FILTER \
+  tree-ssa.exp=$FILTER \
+  vmx.exp=$FILTER \
+  format.exp"
+.github/scripts/toolchain/create-gcc-summary.sh artifact/gcc-tests-va-list-after > artifact/gcc-tests-va-list-after/summary.md
+
+#gcc/testsuite/g++.dg/torture/stackalign/eh-vararg-1.C
+#gcc/testsuite/gcc.dg/torture/c23-stdarg-split-1b.c
+#gcc/gcc/testsuite/gcc.dg/torture/va-arg-25.c
+#gcc/gcc/testsuite/gcc.dg/tree-prof/va-arg-pack-1.c

tests/valist/.gitignore

@@ -0,0 +1,13 @@
+*.bin
+*.cod
+*.dll
+*.exe
+*.exp
+*.gimple
+*.ilk
+*.lib
+*.pdb
+*.o
+*.obj
+*.so
+valist-all-*.s

tests/valist/types.h

@@ -0,0 +1,95 @@
+#pragma once
+
+// https://learn.microsoft.com/en-us/cpp/build/arm64-windows-abi-conventions?view=msvc-170#definitions
+struct short_vector_8_bytes
+{
+  int a;
+  int b;
+};
+
+struct not_short_vector_12_bytes
+{
+  int a;
+  int b;
+  int c;
+};
+
+struct short_vector_16_bytes
+{
+  int a;
+  int b;
+  int c;
+  int d;
+};
+
+struct hfa_2_floats
+{
+  float a;
+  float b;
+};
+
+struct hfa_4_floats
+{
+  float a;
+  float b;
+  float c;
+  float d;
+};
+
+struct hfa_2_doubles
+{
+  double a;
+  double b;
+};
+
+struct hfa_4_doubles
+{
+  double a;
+  double b;
+  double c;
+  double d;
+};
+
+struct hva_2_short_vector_8_bytes
+{
+  struct short_vector_8_bytes a;
+  struct short_vector_8_bytes b;
+};
+
+struct hva_4_short_vector_8_bytes
+{
+  struct short_vector_8_bytes a;
+  struct short_vector_8_bytes b;
+  struct short_vector_8_bytes c;
+  struct short_vector_8_bytes d;
+};
+
+struct hva_2_short_vector_16_bytes
+{
+  struct short_vector_16_bytes a;
+  struct short_vector_16_bytes b;
+};
+
+struct hva_4_short_vector_16_bytes
+{
+  struct short_vector_16_bytes a;
+  struct short_vector_16_bytes b;
+  struct short_vector_16_bytes c;
+  struct short_vector_16_bytes d;
+};
+
+struct composite
+{
+  char a;
+  int b;
+  const char *c;
+  double d;
+  long e;
+  float f;
+  char g;
+  int h;
+  const char *i;
+  double j;
+  long k;
+  float l;
+};