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| author | Ian Lance Taylor <iant@golang.org> | 2023-06-26 09:57:21 -0700 |
|---|---|---|
| committer | Ian Lance Taylor <iant@golang.org> | 2023-06-26 09:57:21 -0700 |
| commit | aa1e672b5d99102b03eb5fb9c51609c45f62bff7 (patch) | |
| tree | 886212591b1c9d127eaaf234a4a2e22452ea384a /gcc/config/i386/i386.cc | |
| parent | 97e31a0a2a2d2273687fcdb4e5416aab1a2186e1 (diff) | |
| parent | 3a39a31b8ae9c6465434aefa657f7fcc86f905c0 (diff) | |
| download | gcc-devel/gccgo.zip gcc-devel/gccgo.tar.gz gcc-devel/gccgo.tar.bz2 | |
Merge from trunk revision 3a39a31b8ae9c6465434aefa657f7fcc86f905c0.devel/gccgo
Diffstat (limited to 'gcc/config/i386/i386.cc')
| -rw-r--r-- | gcc/config/i386/i386.cc | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc index 32851a5..0761965 100644 --- a/gcc/config/i386/i386.cc +++ b/gcc/config/i386/i386.cc @@ -21423,16 +21423,23 @@ ix86_rtx_costs (rtx x, machine_mode mode, int outer_code_i, int opno, else if (XINT (x, 1) == UNSPEC_PTEST) { *total = cost->sse_op; - if (XVECLEN (x, 0) == 2 - && GET_CODE (XVECEXP (x, 0, 0)) == AND) + rtx test_op0 = XVECEXP (x, 0, 0); + if (!rtx_equal_p (test_op0, XVECEXP (x, 0, 1))) + return false; + if (GET_CODE (test_op0) == AND) { - rtx andop = XVECEXP (x, 0, 0); - *total += rtx_cost (XEXP (andop, 0), GET_MODE (andop), - AND, opno, speed) - + rtx_cost (XEXP (andop, 1), GET_MODE (andop), - AND, opno, speed); - return true; + rtx and_op0 = XEXP (test_op0, 0); + if (GET_CODE (and_op0) == NOT) + and_op0 = XEXP (and_op0, 0); + *total += rtx_cost (and_op0, GET_MODE (and_op0), + AND, 0, speed) + + rtx_cost (XEXP (test_op0, 1), GET_MODE (and_op0), + AND, 1, speed); } + else + *total = rtx_cost (test_op0, GET_MODE (test_op0), + UNSPEC, 0, speed); + return true; } return false; |