[SCM] Linaro gcc mirror + linaro-local branches branch hjl/iamcu/improve updated. 52eea662feb27accef41236c999aac5c8b6a3509
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- Log ----------------------------------------------------------------- commit 52eea662feb27accef41236c999aac5c8b6a3509 Author: H.J. Lu hjl.tools@gmail.com Date: Wed Jul 8 19:46:43 2015 -0700
IA MCU run-time doesn't support TLS
Return 0 in check_effective_target_tls_native and check_effective_target_tls_emulated for IA MCU target.
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index bf512e9..72f7946 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -701,8 +701,9 @@ proc check_effective_target_tls {} {
proc check_effective_target_tls_native {} { # VxWorks uses emulated TLS machinery, but with non-standard helper - # functions, so we fail to automatically detect it. - if { [istarget *-*-vxworks*] } { + # functions, so we fail to automatically detect it. IA MCU run-time + # doesn't support TLS. + if { [istarget *-*-vxworks*] || [istarget *-*-elfiamcu] } { return 0 }
@@ -716,6 +717,11 @@ proc check_effective_target_tls_native {} { # Return 1 if *emulated* thread local storage (TLS) is supported, 0 otherwise.
proc check_effective_target_tls_emulated {} { + # IA MCU run-time doesn't support TLS. + if { [istarget *-*-elfiamcu] } { + return 0 + } + # VxWorks uses emulated TLS machinery, but with non-standard helper # functions, so we fail to automatically detect it. if { [istarget *-*-vxworks*] } {
commit 8d6c585f72e622293e25340810864dbe4f83d987 Author: H.J. Lu hjl.tools@gmail.com Date: Wed Jul 8 04:55:05 2015 -0700
Skip incompatible tests on IA MCU target
diff --git a/gcc/testsuite/gcc.target/i386/i386.exp b/gcc/testsuite/gcc.target/i386/i386.exp index 8ca6c51..9aacbf9 100644 --- a/gcc/testsuite/gcc.target/i386/i386.exp +++ b/gcc/testsuite/gcc.target/i386/i386.exp @@ -394,7 +394,12 @@ global runtests # Special case compilation of vect-args.c so we don't have to # replicate it 16 times. if [runtest_file_p $runtests $srcdir/$subdir/vect-args.c] { - foreach type { "" -mmmx -m3dnow -msse -msse2 -mavx -mavx2 -mavx512f } { + if { [istarget *-*-elfiamcu] } then { + set types { "" } + } else { + set types { "" -mmmx -m3dnow -msse -msse2 -mavx -mavx2 -mavx512f } + } + foreach type $types { foreach level { "" -O } { set flags "$type $level" verbose -log "Testing vect-args, $flags" 1 @@ -405,7 +410,89 @@ if [runtest_file_p $runtests $srcdir/$subdir/vect-args.c] {
# Everything else. set tests [lsort [glob -nocomplain $srcdir/$subdir/*.[cS]]] -set tests [prune $tests $srcdir/$subdir/vect-args.c] +set all_tests [prune $tests $srcdir/$subdir/vect-args.c] +if { [istarget *-*-elfiamcu] } then { + # Skip tests which are incompatible with Intel MCU. + set tests {} + foreach t $all_tests { + if { [string match "$srcdir/$subdir/20001127-1.c" $t] \ + || [string match "$srcdir/$subdir/20080723-1.c" $t] \ + || [string match "$srcdir/$subdir/980226-1.c" $t] \ + || [string match "$srcdir/$subdir/980414-1.c" $t] \ + || [string match "$srcdir/$subdir/addr-sel-1.c" $t] \ + || [string match "$srcdir/$subdir/pause-2.c" $t] \ + || [string match "$srcdir/$subdir/pow-1.c" $t] \ + || [string match "$srcdir/$subdir/pr30848.c" $t] \ + || [string match "$srcdir/$subdir/pr45296.c" $t] \ + || [string match "$srcdir/$subdir/pr57736.c" $t] \ + || [string match "$srcdir/$subdir/pr57848.c" $t] \ + || [string match "$srcdir/$subdir/pr58048.c" $t] \ + || [string match "$srcdir/$subdir/pr66047.c" $t] \ + || [string match "$srcdir/$subdir/readeflags-1.c" $t] \ + || [string match "$srcdir/$subdir/sibcall-6.c" $t] \ + || [string match "$srcdir/$subdir/sse-5.c" $t] \ + || [string match "$srcdir/$subdir/aggregate-ret*.c" $t] \ + || [string match "$srcdir/$subdir/avx*.c" $t] \ + || [string match "$srcdir/$subdir/funcspec-*.c" $t] \ + || [string match "$srcdir/$subdir/long-double-*.c" $t] \ + || [string match "$srcdir/$subdir/pr57756*.c" $t] \ + || [string match "$srcdir/$subdir/pr59390*.c" $t] \ + || [string match "$srcdir/$subdir/pr59794-*.c" $t] \ + || [string match "$srcdir/$subdir/pr60205-*.c" $t] \ + || [string match "$srcdir/$subdir/pr61925-*.c" $t] } { + continue + } + set options [dg-get-options $t] + if { ! [string match "*-mmmx*" $options] \ + && ! [string match "*-m3dnow*" $options] \ + && ! [string match "*-msse*" $options] \ + && ! [string match "*-mssse*" $options] \ + && ! [string match "*-mavx*" $options] \ + && ! [string match "*-madx*" $options] \ + && ! [string match "*-maes*" $options] \ + && ! [string match "*-mbmi*" $options] \ + && ! [string match "*-mclflushopt*" $options] \ + && ! [string match "*-mclwb*" $options] \ + && ! [string match "*-mf16c*" $options] \ + && ! [string match "*-mfma*" $options] \ + && ! [string match "*-mfxsr*" $options] \ + && ! [string match "*-mhle*" $options] \ + && ! [string match "*-mlzcnt*" $options] \ + && ! [string match "*-mmwaitx*" $options] \ + && ! [string match "*-mpclmul*" $options] \ + && ! [string match "*-mpcommit*" $options] \ + && ! [string match "*-mprefetchwt1*" $options] \ + && ! [string match "*-mprfchw*" $options] \ + && ! [string match "*-mrdrnd*" $options] \ + && ! [string match "*-mrdseed*" $options] \ + && ! [string match "*-mrtm*" $options] \ + && ! [string match "*-msha*" $options] \ + && ! [string match "*-mtbm*" $options] \ + && ! [string match "*-mxop*" $options] \ + && ! [string match "*-mxsave*" $options] \ + && ! [string match "*-mvzeroupper*" $options] \ + && ! [string match "*-march=i686*" $options] \ + && ! [string match "*-march=atom*" $options] \ + && ! [string match "*-march=core*" $options] \ + && ! [string match "*-march=nocona*" $options] \ + && ! [string match "*-march=pentium*" $options] \ + && ! [string match "*-march=amdfam10*" $options] \ + && ! [string match "*-march=athlon*" $options] \ + && ! [string match "*-march=barcelona*" $options] \ + && ! [string match "*-march=bdver*" $options] \ + && ! [string match "*-march=k6*" $options] \ + && ! [string match "*-march=k8*" $options] \ + && ! [string match "*-march=opteron*" $options] \ + && ! [string match "*-march=x86-64*" $options] \ + && ! [string match "*-march=native*" $options] \ + && ! [string match "*-mfpmath=*" $options] \ + && ! [string match "*-mregparm=*" $options] } { + lappend tests $t + } + } +} else { + set tests $all_tests +}
# Main loop. dg-runtest $tests "" $DEFAULT_CFLAGS
commit 92502779149b2f41e03c0a7e0d846cbf72e33e4e Author: H.J. Lu hjl.tools@gmail.com Date: Wed Jul 8 08:28:03 2015 -0700
Skip error_mark_node type decls
There is no need to analyze error_mark_node type decls.
gcc/
PR target/66810 * varpool.cvarpool.c (varpool_node::analyze): Skip error_mark_node type decls.
gcc/testsuite/
PR target/66810 * gcc.target/i386/pr66810.c: New test.
diff --git a/gcc/testsuite/gcc.target/i386/pr66810.c b/gcc/testsuite/gcc.target/i386/pr66810.c new file mode 100644 index 0000000..4778b37 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr66810.c @@ -0,0 +1,10 @@ +/* { dg-do compile { target ia32 } } */ +/* { dg-options "-mno-sse -mno-mmx -miamcu" } */ + +int vv; + +void +i (void) +{ + static int a[vv]; /* { dg-error "storage size" } */ +} diff --git a/gcc/varpool.c b/gcc/varpool.c index 10fa93c..f7c4d46 100644 --- a/gcc/varpool.c +++ b/gcc/varpool.c @@ -514,20 +514,25 @@ varpool_node::get_availability (void) void varpool_node::analyze (void) { - /* When reading back varpool at LTO time, we re-construct the queue in order - to have "needed" list right by inserting all needed nodes into varpool. - We however don't want to re-analyze already analyzed nodes. */ - if (!analyzed) + /* Skip error_mark_node type decls. */ + if (TREE_TYPE (decl) != error_mark_node) { - gcc_assert (!in_lto_p || symtab->function_flags_ready); - /* Compute the alignment early so function body expanders are - already informed about increased alignment. */ - align_variable (decl, 0); + /* When reading back varpool at LTO time, we re-construct the + queue in order to have "needed" list right by inserting all + needed nodes into varpool. We however don't want to re-analyze + already analyzed nodes. */ + if (!analyzed) + { + gcc_assert (!in_lto_p || symtab->function_flags_ready); + /* Compute the alignment early so function body expanders are + already informed about increased alignment. */ + align_variable (decl, 0); + } + if (alias) + resolve_alias (varpool_node::get (alias_target)); + else if (DECL_INITIAL (decl)) + record_references_in_initializer (decl, analyzed); } - if (alias) - resolve_alias (varpool_node::get (alias_target)); - else if (DECL_INITIAL (decl)) - record_references_in_initializer (decl, analyzed); analyzed = true; }
commit 88aeb079db646db926deb4d59e67b0c0a0ce4461 Author: H.J. Lu hjl.tools@gmail.com Date: Wed Jul 8 21:10:25 2015 -0700
Allow indirect sibcall with register arguments
Indirect sibcall with register arguments is OK when there is register available for argument passing.
gcc/
PR target/66819 * config/i386/i386.c (ix86_function_ok_for_sibcall): Allow indirect sibcall with register arguments if register available for argument passing. (init_cumulative_args): Set cfun->machine->arg_reg_available_p to cum->nregs != 0. (function_arg_advance_32): Set cfun->machine->arg_reg_available_p to 0 when setting cum->nregs = 0. * config/i386/i386.h (machine_function): Add arg_reg_available_p.
gcc/testsuite/
PR target/66819 * gcc.target/i386/pr66819-1.c: New test. * gcc.target/i386/pr66819-2.c: Likewise. * gcc.target/i386/pr66819-3.c: Likewise. * gcc.target/i386/pr66819-4.c: Likewise. * gcc.target/i386/pr66819-5.c: Likewise.
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 54ee6f3..85e59a8 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -5628,12 +5628,12 @@ ix86_function_ok_for_sibcall (tree decl, tree exp) if (!decl || (TARGET_DLLIMPORT_DECL_ATTRIBUTES && DECL_DLLIMPORT_P (decl))) { - if (ix86_function_regparm (type, NULL) >= 3) - { - /* ??? Need to count the actual number of registers to be used, - not the possible number of registers. Fix later. */ - return false; - } + /* FIXME: The symbol indirect call doesn't need a + call-clobbered register. But we don't know if + this is a symbol indirect call or not here. */ + if (ix86_function_regparm (type, NULL) >= 3 + && !cfun->machine->arg_reg_available_p) + return false; } }
@@ -6567,6 +6567,7 @@ init_cumulative_args (CUMULATIVE_ARGS *cum, /* Argument info to initialize */ ? X86_64_REGPARM_MAX : X86_64_MS_REGPARM_MAX); } + cfun->machine->arg_reg_available_p = cum->nregs != 0; if (TARGET_SSE) { cum->sse_nregs = SSE_REGPARM_MAX; @@ -6636,6 +6637,7 @@ init_cumulative_args (CUMULATIVE_ARGS *cum, /* Argument info to initialize */ else cum->nregs = ix86_function_regparm (fntype, fndecl); } + cfun->machine->arg_reg_available_p = cum->nregs != 0;
/* Set up the number of SSE registers used for passing SFmode and DFmode arguments. Warn for mismatching ABI. */ @@ -7584,6 +7586,7 @@ pass_in_reg: { cum->nregs = 0; cum->regno = 0; + cfun->machine->arg_reg_available_p = 0; } break;
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 74334ff..0b6e304 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -2479,6 +2479,9 @@ struct GTY(()) machine_function { /* If true, it is safe to not save/restore DRAP register. */ BOOL_BITFIELD no_drap_save_restore : 1;
+ /* If true, there is register available for argument passing. */ + BOOL_BITFIELD arg_reg_available_p : 1; + /* During prologue/epilogue generation, the current frame state. Otherwise, the frame state at the end of the prologue. */ struct machine_frame_state fs; diff --git a/gcc/testsuite/gcc.target/i386/pr66819-1.c b/gcc/testsuite/gcc.target/i386/pr66819-1.c new file mode 100644 index 0000000..7c8a1ab --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr66819-1.c @@ -0,0 +1,8 @@ +/* { dg-do compile { target ia32 } } */ +/* { dg-options "-O2 -mregparm=3" } */ +/* { dg-final { scan-assembler-not "call" } } */ + +void foo(void (*bar)(void)) +{ + bar(); +} diff --git a/gcc/testsuite/gcc.target/i386/pr66819-2.c b/gcc/testsuite/gcc.target/i386/pr66819-2.c new file mode 100644 index 0000000..9de4f97 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr66819-2.c @@ -0,0 +1,8 @@ +/* { dg-do compile { target ia32 } } */ +/* { dg-options "-fPIC -O2 -mregparm=3" } */ +/* { dg-final { scan-assembler-not "call" } } */ + +void foo(void (*bar)(void)) +{ + bar(); +} diff --git a/gcc/testsuite/gcc.target/i386/pr66819-3.c b/gcc/testsuite/gcc.target/i386/pr66819-3.c new file mode 100644 index 0000000..3bc5a34 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr66819-3.c @@ -0,0 +1,10 @@ +/* { dg-do compile { target ia32 } } */ +/* { dg-options "-O2 -mregparm=3" } */ +/* { dg-final { scan-assembler-not "call" } } */ + +void (*bar)(int, int); + +void foo(int i, int j) +{ + bar(i, j); +} diff --git a/gcc/testsuite/gcc.target/i386/pr66819-4.c b/gcc/testsuite/gcc.target/i386/pr66819-4.c new file mode 100644 index 0000000..18b2ccf --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr66819-4.c @@ -0,0 +1,12 @@ +/* { dg-do compile { target ia32 } } */ +/* { dg-options "-O2 -mregparm=3" } */ +/* { dg-final { scan-assembler-not "call" } } */ + +#include <stdarg.h> + +void (*bar)(int, va_list); + +void foo(int i, va_list args) +{ + bar(i, args); +} diff --git a/gcc/testsuite/gcc.target/i386/pr66819-5.c b/gcc/testsuite/gcc.target/i386/pr66819-5.c new file mode 100644 index 0000000..6b019d1 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr66819-5.c @@ -0,0 +1,10 @@ +/* { dg-do compile { target ia32 } } */ +/* { dg-options "-O2 -mregparm=3" } */ +/* { dg-final { scan-assembler "call" } } */ + +void (*bar)(int, int, int); + +void foo(int i, int j, int k) +{ + bar(i, j, k); +}
-----------------------------------------------------------------------
Summary of changes: gcc/ChangeLog | 30 +++++++ gcc/Makefile.in | 1 + gcc/config/i386/i386.c | 27 ++---- gcc/config/i386/i386.h | 3 + gcc/gimple-laddress.c | 137 ++++++++++++++++++++++++++++++ gcc/passes.def | 1 + gcc/testsuite/ChangeLog | 15 ++++ gcc/testsuite/gcc.dg/vect/vect-126.c | 63 ++++++++++++++ gcc/testsuite/gcc.target/i386/pr66819-3.c | 6 +- gcc/testsuite/gcc.target/i386/pr66819-5.c | 10 +++ gcc/timevar.def | 1 + gcc/toplev.c | 5 ++ gcc/tree-chkp-opt.c | 2 + gcc/tree-pass.h | 1 + gcc/varasm.c | 3 +- gcc/varpool.c | 29 ++++--- 16 files changed, 299 insertions(+), 35 deletions(-) create mode 100644 gcc/gimple-laddress.c create mode 100644 gcc/testsuite/gcc.dg/vect/vect-126.c create mode 100644 gcc/testsuite/gcc.target/i386/pr66819-5.c
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