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| author | Richard Henderson <rth@redhat.com> | 2004-12-30 00:59:15 -0800 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2004-12-30 00:59:15 -0800 |
| commit | 8c5cacfdca4cb9d6351e19922c4c1d9eeb0841bb (patch) | |
| tree | 27760f7dcd301cd2fbaaa0e29305fecad641dd00 | |
| parent | 9503e7909cf99156a4798df2bc6a6f6b9c07a3a1 (diff) | |
| download | gcc-8c5cacfdca4cb9d6351e19922c4c1d9eeb0841bb.zip gcc-8c5cacfdca4cb9d6351e19922c4c1d9eeb0841bb.tar.gz gcc-8c5cacfdca4cb9d6351e19922c4c1d9eeb0841bb.tar.bz2 | |
ia64.c (ia64_function_value): Use PARALLEL for aggregates with XF/XCmode.
* config/ia64/ia64.c (ia64_function_value): Use PARALLEL for
aggregates with XF/XCmode.
From-SVN: r92728
| -rw-r--r-- | gcc/ChangeLog | 13 | ||||
| -rw-r--r-- | gcc/config/ia64/ia64.c | 20 |
2 files changed, 27 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b03786d..3be00eb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-12-30 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_function_value): Use PARALLEL for + aggregates with XF/XCmode. + 2004-12-29 Richard Henderson <rth@redhat.com> * target.h (targetm.calls.arg_partial_bytes): New. @@ -71,7 +76,7 @@ * config/mcore/mcore.h (FUNCTION_ARG_PARTIAL_NREGS): Remove. * config/mcore/mcore.c (mcore_arg_partial_bytes): Rename from mcore_function_arg_partial_nregs. Adjust to return bytes. - (TARGET_ARG_PARTIAL_BYTES): New. + (TARGET_ARG_PARTIAL_BYTES): New. * config/mcore/mcore-protos.h: Update. * config/mips/mips.h (FUNCTION_ARG_PARTIAL_NREGS): Remove. @@ -109,13 +114,13 @@ * config/sparc/sparc.h (FUNCTION_ARG_PARTIAL_NREGS): Remove. * config/sparc/sparc.c (sparc_arg_partial_bytes): Rename from function_arg_partial_nregs. Adjust to return bytes. - (TARGET_ARG_PARTIAL_BYTES): New. + (TARGET_ARG_PARTIAL_BYTES): New. * config/sparc/sparc-protos.h: Update. * config/v850/v850.h (FUNCTION_ARG_PARTIAL_NREGS): Remove. * config/v850/v850.c (v850_arg_partial_bytes): Rename from - function_arg_partial_nregs. Adjust to return bytes. - (TARGET_ARG_PARTIAL_BYTES): New. + function_arg_partial_nregs. Adjust to return bytes. + (TARGET_ARG_PARTIAL_BYTES): New. * config/v850/v850-protos.h: Update. 2004-12-30 Hans-Peter Nilsson <hp@bitrange.com> diff --git a/gcc/config/ia64/ia64.c b/gcc/config/ia64/ia64.c index 6478cb1..2d819c6 100644 --- a/gcc/config/ia64/ia64.c +++ b/gcc/config/ia64/ia64.c @@ -3522,8 +3522,24 @@ ia64_function_value (tree valtype, tree func ATTRIBUTE_UNUSED) return gen_rtx_REG (mode, FR_ARG_FIRST); else { + bool need_parallel = false; + + /* In big-endian mode, we need to manage the layout of aggregates + in the registers so that we get the bits properly aligned in + the highpart of the registers. */ if (BYTES_BIG_ENDIAN && (mode == BLKmode || (valtype && AGGREGATE_TYPE_P (valtype)))) + need_parallel = true; + + /* Something like struct S { long double x; char a[0] } is not an + HFA structure, and therefore doesn't go in fp registers. But + the middle-end will give it XFmode anyway, and XFmode values + don't normally fit in integer registers. So we need to smuggle + the value inside a parallel. */ + else if (mode == XFmode || mode == XCmode) + need_parallel = true; + + if (need_parallel) { rtx loc[8]; int offset; @@ -3542,8 +3558,8 @@ ia64_function_value (tree valtype, tree func ATTRIBUTE_UNUSED) } return gen_rtx_PARALLEL (mode, gen_rtvec_v (i, loc)); } - else - return gen_rtx_REG (mode, GR_RET_FIRST); + + return gen_rtx_REG (mode, GR_RET_FIRST); } } |