diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index beb2634..fdb4787 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -6157,9 +6157,8 @@ function_arg_advance_64 (CUMULATIVE_ARGS *cum, enum machine_mode mode, if (!named && VALID_AVX256_REG_MODE (mode)) return; - if (!examine_argument (mode, type, 0, &int_nregs, &sse_nregs)) - cum->words += words; - else if (sse_nregs <= cum->sse_nregs && int_nregs <= cum->nregs) + if (examine_argument (mode, type, 0, &int_nregs, &sse_nregs) + && sse_nregs <= cum->sse_nregs && int_nregs <= cum->nregs) { cum->nregs -= int_nregs; cum->sse_nregs -= sse_nregs; @@ -6167,7 +6166,11 @@ function_arg_advance_64 (CUMULATIVE_ARGS *cum, enum machine_mode mode, cum->sse_regno += sse_nregs; } else - cum->words += words; + { + int align = ix86_function_arg_boundary (mode, type) / BITS_PER_WORD; + cum->words = (cum->words + align - 1) & ~(align - 1); + cum->words += words; + } } static void @@ -6508,7 +6511,7 @@ ix86_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED, /* Return true when TYPE should be 128bit aligned for 32bit argument passing ABI. */ static bool -contains_aligned_value_p (tree type) +contains_aligned_value_p (const_tree type) { enum machine_mode mode = TYPE_MODE (type); if (((TARGET_SSE && SSE_REG_MODE_P (mode)) @@ -6558,7 +6561,7 @@ contains_aligned_value_p (tree type) specified mode and type. */ int -ix86_function_arg_boundary (enum machine_mode mode, tree type) +ix86_function_arg_boundary (enum machine_mode mode, const_tree type) { int align; if (type) |