[dotgnu-pnet-commits] [SCM] DotGNU Portable.NET Just In Time compiler (libjit) branch, master, updated. fa18fbd799c103c456c05c9a66d6996dfc7f701c

[Klaus Treichel]

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- Log -----------------------------------------------------------------
http://git.savannah.gnu.org/cgit/libjit.git/commit/?id=fa18fbd799c103c456c05c9a66d6996dfc7f701c

commit fa18fbd799c103c456c05c9a66d6996dfc7f701c
Author: Klaus Treichel <address@hidden>
Date:   Sat May 15 19:32:36 2010 +0200

    Fix strict-alias-rules in return struct tests.

diff --git a/ChangeLog b/ChangeLog
index 0293a49..ed0e7cf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -22,7 +22,9 @@
        constant conversions.
 
        * jit/jit-block.c (jit_block_get_next_label): Fix comment for texinfo.
-  
+
+       * tools/gen-apply.c: Fix strict-alias-rules in returning struct tests.
+
 2010-05-08  Klaus Treichel  <address@hidden>
 
        * jit/jit-block.c (_jit_block_clean_cfg): Don't merge an empty block
diff --git a/tools/gen-apply.c b/tools/gen-apply.c
index 2151200..2951802 100644
--- a/tools/gen-apply.c
+++ b/tools/gen-apply.c
@@ -954,6 +954,11 @@ void detect_float_return(void)
        { \
                jit_sbyte value[(n)]; \
        }; \
+       union detect_un_##n \
+       { \
+               struct detect_##n d; \
+               jit_nint value[64 / sizeof(jit_nint)]; \
+       }; \
        struct detect_##n detect_struct_##n(void) \
        { \
                struct detect_##n d; \
@@ -964,23 +969,23 @@ void detect_float_return(void)
        { \
                jit_nint *args; \
                volatile jit_nint stack[1]; \
-               jit_nint buffer[64 / sizeof(jit_nint)]; \
+               union detect_un_##n buffer; \
                void *apply_return; \
                jit_builtin_apply_args(jit_nint *, args); \
                args[0] = (jit_nint)stack; \
-               stack[0] = (jit_nint)buffer; \
+               stack[0] = (jit_nint)&buffer; \
                if(struct_return_special_reg || num_word_regs > 0) \
                { \
-                       args[1] = (jit_nint)buffer; \
+                       args[1] = (jit_nint)&buffer; \
                        if(struct_reg_overlaps_word_reg) \
                        { \
-                               args[2] = (jit_nint)buffer; \
+                               args[2] = (jit_nint)&buffer; \
                        } \
                } \
-               mem_set(buffer, 0, sizeof(buffer)); \
+               mem_set(&buffer, 0, sizeof(buffer)); \
                jit_builtin_apply(detect_struct_##n, args, \
                                                  sizeof(jit_nint), 0, 
apply_return); \
-               if(((struct detect_##n *)buffer)->value[0] == 0x00) \
+               if(buffer.d.value[0] == 0x00) \
                { \
                        struct_return_in_reg[(n) - 1] = 1; \
                } \

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog         |    4 +++-
 tools/gen-apply.c |   17 +++++++++++------
 2 files changed, 14 insertions(+), 7 deletions(-)


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